As classified in WFO snapshot
December 2024
latest classification for this taxon
genus
Senecio
This genus name was first published in Sp. Pl. 2: 866 (1753)
At the time of this classification snapshot, this genus name was accepted by WFO (placed as the accepted name of a taxon). Its description and other taxonomic data can be found on World Flora Online, id: wfo-4000035060.
Literature
- López, M. G., Wulff, A. F., & Xifreda, C. C. (2008). Natural hybrids inSenecio(Asteraceae): new records from Argentina. Plant Biosystems - An International Journal Dealing with All Aspects of Plant Biology, 142(1), 186–191. https://doi.org/10.1080/11263500701873075
- Sp. Pl. 2: 866. 1753 [1 May 1753] ; Gen. Pl. ed. 5, 373. 1754
Statistics
| ${ isRankTypeStat ? 'Rank' : 'Status'} | Total | % |
|---|---|---|
| ◼︎ ${ stat.label } | ${ formatNumber(stat.value) } | ${ percentage(stat.value) }% |
| Total | ${formatNumber(currentTotalValues)} |
Synonyms of Senecio
| Name | Author | Protologue | Nomenclator | WFO link |
|---|---|---|---|---|
| Brachyrhynchos | Syn. Gen. Compos. : 392 (1832) | wfo-4000005244 | ||
| Farobaea | Hort. Ripul. App. 3: 36. , in nota (1829); et iv. 19. t. 9 (1831) | wfo-4000014598 | ||
| Lasiocephalus | Mag. Neuesten Entdeck. Gesammten Naturk. Ges. Naturf. Freunde Berlin 8: 308 (1818) | wfo-4000020653 | ||
| Madaractis | Prodr. 6: 322 (1838) | wfo-4000022818 | ||
| Sclerobasis | Bull. Sci. Soc. Philom. Paris (1818) 73 | wfo-4000034708 | ||
| Anecio | Elem. Bot. 1: 28 (1790) | wfo-4000045340 |
Sections in Senecio ( ${pageIsLoading?'loading':'showing'} sections ${currentlyShowingRangeFirst} to ${currentlyShowingRangeLast} of ${ totalPartsCount })
| Name | Author | Protologue | Nomenclator | WFO link |
|---|---|---|---|---|
| — | ${taxonConcept.hasName.id} | |||
| — — | ${synonym.id} |
Unplaced Names
These names are not yet placed in the taxonomy, but may be associated with Senecio:
| Name | Author | Protologue | Nomenclator | WFO link |
|---|---|---|---|---|
| Senecio abadianus var. araneosus | Prodr. 6: 423 (1838) | wfo-0001377678 | ||
| Senecio abrotanifolius | Beschr. Nation. Russ. Reich III. iv. 1242 | wfo-0000136699 | ||
| Senecio abrotanoides | Prodr. 6: 397 (1838) | wfo-0000007489 | ||
| Senecio acanthifolius | Allg. Med.-Pharm. Fl. 2: 714 (1833) | wfo-0000087597 | ||
| Senecio acanthifolius subsp. acanthifolius | – | Voy. Pôle Sud Atlas: t. 11, f. S (1845) | — | wfo-0000102010 |
| Senecio acanthifolius var. acanthifolius | – | – | — | wfo-0000099520 |
| Senecio acerifolius | Ann. K. K. Naturhist. Hofmus. 9: 363. 1894 | wfo-0000094466 | ||
| Senecio aclydiphyllus | Proc. Biol. Soc. Washington 77: 149, fig (1964) | wfo-0000082464 | ||
| Senecio acromaculus | Contr. Inst. Bot. Natl. Acad. Peiping 5: 18 (1937) | wfo-0000085255 | ||
| Senecio actinoleucus | Trans. & Proc. Roy. Soc. Victoria viii. (1867) 40. | wfo-0000125260 | ||
| Senecio acuminatus | Numer. List [Wallich] n. 3107. 1831 | wfo-0000095024 | ||
| Senecio adenophyllus var. angustipinnatus | Anales Univ. Madrid, Ci. 4, fasc. 2: 238 [reprint page (1935) | wfo-0001377679 | ||
| Senecio adenostylifolius | Notul. Syst. (Paris) 15: 368 (1959) | wfo-0000031753 | ||
| Senecio adenostyloides | – | — | wfo-0000036771 | |
| Senecio adenotrichia | Ill. Dict. Gard. iii. (1886) 419 | wfo-0000117013 | ||
| Senecio adnivalis var. alticola | Symb. Bot. Upsal. 15: 233 (1957) | wfo-0001385473 | ||
| Senecio adnivalis var. erioneuron | Symb. Bot. Upsal. 15: 232 (1957) | wfo-0001385471 | ||
| Senecio adnivalis var. intermedia | Revue de zoologie et de botanique africaines 28: 48 1935 | — | wfo-0000066851 | |
| Senecio adnivalis var. stanleyi | Symb. Bot. Upsal. 15: 233 (1957) | wfo-0001385472 | ||
| Senecio adolfi-friderici | Wiss. Erg. Deut. Zentr.-Afr. Exped., Bot. 2: 385 (1911) | wfo-0000137443 | ||
| Senecio aegadensis | Gruppi Crit. Fl. Ital. : 44 (2009) | wfo-0001429242 | ||
| Senecio aegyptius subsp. thebanus | Bot. Jahrb. Syst. 104(4): 511 (1984) | wfo-0001365299 | ||
| Senecio aetfatensis | Novon 9(2): 245 (1999) | wfo-0000030045 | ||
| Senecio affinis | Bot. Jahrb. Syst. 32(1): 22, nomen. 1902 [2 May 1902] | wfo-0000035728 | ||
| Senecio africanus | Encycl. , Suppl. 5: 129 (1817) | wfo-0000008045 | ||
| Senecio agapetes | Kew Bull. 47(1): 95 (1992) | wfo-0001348529 | ||
| Senecio agnostus | Ann. Naturhist. Hofmus. 9: 364 (1894) | wfo-0000117157 | ||
| Senecio aitonianus | Hort. Brit. : 386 (1839) | wfo-0000041766 | ||
| Senecio aizoides | Flora 28: 499 (1845) | wfo-0000082242 | ||
| Senecio akrabatensis | Ann. Sci. Nat., Bot. , sér. 6, 16: 312 (1883) | wfo-0000012850 | ||
| Senecio aksuensis | Vestnik Akad. Nauk Kazak. SSR 4(73): 97. 1951 | wfo-0000037756 | ||
| Senecio alabugensis | Trudy Imp. S.-Peterburgsk. Bot. Sada xi. (1890) 320. | wfo-0000003775 | ||
| Senecio alatus | Naturaleza (Mexico City) ser. 2, 1, app. 140. 1890 Plantae Novae Hispaniae | wfo-0000029665 | ||
| Senecio alatus | Fl. Ross. 2(2,6): 633 (1845) | wfo-0000079325 | ||
| Senecio albicans | Syn. Pl. 2(2): 438 (1807) | wfo-0000127941 | ||
| Senecio albicaulis | Flora 27(2): 702 (1844) | wfo-0000121685 | ||
| Senecio albicaulis var. nudiusculus | Fl. Chil. 4: 144 (1849) | wfo-0001377680 | ||
| Senecio albicaulis var. nudiusculus | Chlor. Andina 1: 123 (1856) | wfo-0001377681 | ||
| Senecio albicaulis var. subglaber | J. Bot. (Hooker) 3: 344 (1841) | wfo-0001377682 | ||
| Senecio albidus | Prodr. 6: 398 (1838) | wfo-0000083776 | ||
| Senecio albirameus | Bol. Soc. Venez. Ci. Nat. 21(97): 302 (-303), fig (1960) | wfo-0000030387 | ||
| Senecio albodentatus | Rad Jugoslav. Akad. Znan. lviii. (1881) 144 | wfo-0000086091 | ||
| Senecio alboffianus | Rep. Princeton Univ. Exped. Patagonia, Botany 8: 838 (1906) | wfo-0000094198 | ||
| Senecio albolanatus | Fl. Atacam. : 32 (1860) | wfo-0000063175 | ||
| Senecio alciope | Flora 28: 500 (1845) | wfo-0000114494 | ||
| Senecio allapajanus | Brittonia 8: 186 (1956) | wfo-0000062889 | ||
| Senecio alliariifolius | Beih. Bot. Centralbl., Abt. 2. 20(2): 155 (-156). 1906 | wfo-0000057791 | ||
| Senecio alloeophyllus | in Ergebn. Schwed. Exp. Magell. iii. v. 105 | wfo-0000060335 | ||
| Senecio alloeophyllus var. glaberrimus | Fl. Patagonica 7: 203. 1971 | wfo-0001416166 | ||
| Senecio alpester | Oesterr. Bot. Z. 21: 202 (1871) | wfo-0000136392 | ||
| Senecio alpestris var. pseudocrispus | Fl. Italia 3: 220 (1903) | wfo-0001380049 | ||
| Senecio alpivagus | Deutsche Bot. Monatsschr. 1(4): 56 (1883) | wfo-0000029052 | ||
| Senecio alsophilus | Linnaea 29: 2 (1858) | wfo-0000058981 | ||
| Senecio alticola | Svensk Bot. Tidskr. 17(2-3): 229 (1923) | wfo-0000070096 | ||
| Senecio alticola var. alticola | – | – | — | wfo-0000109092 |
| Senecio alticola var. subcalvescens | Revue de zoologie et de botanique africaines 28: 50 1935 | — | wfo-0000095106 | |
| Senecio altissimus | Gard. Dict. ed. 8 : n.° 9 (1768) | wfo-0000048495 | ||
| Senecio amadorensis | Bot. Jahrb. Syst. 32(1): 20, nomen. (1902) | wfo-0000046095 | ||
| Senecio ambavilla | Syn. Pl. 2(2): 436 (1807) | wfo-0000035763 | ||
| Senecio ambifarius | J. Bot. 41: 134 (1903) | wfo-0000066044 | ||
| Senecio ambositrensis | Notul. Syst. (Paris) 13: 331 (1949) | wfo-0000063865 | ||
| Senecio ambrosioides var. indivisus | Ann. Carnegie Mus. 26: 375 (1937) | wfo-0001377683 | ||
| Senecio americanus | Prodr. 6: 310 (1838) | wfo-0000029691 | ||
| Senecio amoenicolor | Deutsche Bot. Monatsschr. 1(3): 38 (-39) (1883) | wfo-0000016275 | ||
| Senecio amoenus | Tent. Fl. Abyss. 1: 443 (1848) | wfo-0000011573 | ||
| Senecio amplexicaulis | Nov. Gen. Sp. 4: 142 [ed. folio] (1818) | wfo-0000054925 | ||
| Senecio amplexicaulis | Numer. List : n.° 3139 (1831) | wfo-0000045014 | ||
| Senecio amplifolius | Flora 28: 498 (1845) | wfo-0000127131 | ||
| Senecio amplus | Fl. Chil. 4(2): 195 (1849) | wfo-0000032773 | ||
| Senecio anastasioi | Ukrayins'k. Bot. Zhurn. 76(6): 356. 2022 [31 Dec 2022] [epublished] | wfo-1000043602 | ||
| Senecio andapensis | Mém. Inst. Sci. Madagascar, Sér. B, Biol. Vég. 6: 194 (1955) | wfo-0000138418 | ||
| Senecio andersonii | Compos. Ind. : 204 (1876) | wfo-0000132701 | ||
| Senecio andicola var. paniculatus | Fieldiana, Bot. 27: 37 (1950) | wfo-0001377684 | ||
| Senecio andohahelensis | Bull. Soc. Bot. France 77: 690 (1931) | wfo-0000087652 | ||
| Senecio andrei | – | wfo-0000127679 | ||
| Senecio andryaloides | Prodr. 6: 420 (1838) | wfo-0000017593 | ||
| Senecio anethifolius | Prodr. (DC.) 6: 371 1838 | wfo-0000003658 | ||
| Senecio anethifolius subsp. brevibracteolatus | Muelleria 20: 73 (77; figs. 2, 4) (2004) | wfo-0001360115 | ||
| Senecio angavonensis | Prodr. 6: 377 (1838) | wfo-0000118582 | ||
| Senecio angosturae | Feddes Repert. Spec. Nov. Regni Veg. 55: 132 (1953) | wfo-0000127483 | ||
| Senecio angulatus | – | — | wfo-0000015838 | |
| Senecio angulosus | Numer. List : n.° 3117 (1831) | wfo-0000061026 | ||
| Senecio angustatus | Enum. Fl. Transsilv. : 324 (1887) | wfo-0000023134 | ||
| Senecio angustifolius | Fl. Ins. Austr. : 91 (1786) | wfo-0000027262 | ||
| Senecio angustifolius | Linnaea 25(5): 526. 1853 [Jun 1853] | wfo-0000064544 | ||
| Senecio angustifolius | Prodr. 6: 367 (1838) | wfo-0000135480 | ||
| Senecio angustilobatus | Mitt. Deutsch. Schutzgeb. Ergänzungsh. iv. 94 (1911), nomen. | wfo-0000021919 | ||
| Senecio angustiradiatus | – | — | wfo-0000029277 | |
| Senecio angustiradiatus | Ann. Missouri Bot. Gard. 62: 1263 (1976) | wfo-0000131349 | ||
| Senecio anisodus | – | — | wfo-0000039213 | |
| Senecio anjanericus | Nordic J. Bot. 2024(8)-e04366: 2 (2024) | wfo-1000075356 | ||
| Senecio anomalus | Prodr. 6: 310 (1838) | wfo-0000114197 | ||
| Senecio antaisaka | Bull. Soc. Bot. France 77: 690 (1931) | wfo-0000045870 | ||
| Senecio antambolorum | Bull. Soc. Bot. France 77: 691 (1931) | wfo-0000036410 | ||
| Senecio anthemifolius | Nomencl. Bot. 2: 558 (1841) | wfo-0000116680 | ||
| Senecio anthemoides | Nomencl. Bot. 2: 558 (1841) | wfo-0000036467 | ||
| Senecio anthorifolius | Fl. Germ. Excurs. : 243 | wfo-0000132655 | ||
| Senecio antitensis | Bull. Misc. Inform. Kew 1897: 270 (1897) | wfo-0000033988 | ||
| Senecio antucensis var. lanuginosus | Linnaea 33: 157 (1864) | wfo-0000099574 | ||
| Senecio antunesii | Bot. Jahrb. Syst. 32(1): 151 (1902) | wfo-0000007012 | ||
| Senecio apargiaefolius | Linnaea 14: 309 (1840) | wfo-0000029892 | ||
| Senecio apiifolius | Contrib. Conhec. Fl. Angola 1(Compos.): 119. 1943 | wfo-0000034782 | ||
| Senecio apiifolius | Kalahari 794 (1904), nomen. | wfo-0000127316 | ||
| Senecio appendiculatus | Prodr. 6: 376 (1838) | wfo-0000027870 | ||
| Senecio appendiculatus | Prodr. [A. P. de Candolle] 6: 376. 1838 [1837 publ. early Jan 1838] | wfo-0000114974 | ||
| Senecio apulus | Consp. Fl. Eur. 2: 357 (1879) | wfo-0000001939 | ||
| Senecio aquariensis | Ann. Missouri Bot. Gard. 3: 144 (1916) | wfo-0000062483 | ||
| Senecio aquaticus | Voy. Bot. Espagne 2: 382. 1841 [1 Jan 1841] | wfo-0000058966 | ||
| Senecio aquaticus | Fl. Gall. ii. 566; et ed. II. ii. 240; Sibth. & Sm. Fl. Graec. Prod. ii. 178. | wfo-0000131518 | ||
| Senecio aquaticus subsp. barbareifolius | Bot. J. Linn. Soc. 71(4): 273 (1976) | wfo-0001364269 | ||
| Senecio aquaticus subsp. calvescens | Allionia 30: 97 (1990-91 publ. 1991): (1991) | wfo-0001358512 | ||
| Senecio aquaticus var. ornatus | Rep. Bot. Soc. Exch. Club Brit. Isles 6(1): 25 (1921) | wfo-0001382914 | ||
| Senecio arachnoideus | Fl. Maharashtra 3A: 130 (2001) (2001) | wfo-0000016963 | ||
| Senecio arachnoideus | Mem. New York Bot. Gard. 1: 442. 1900 | wfo-0000113902 | ||
| Senecio arachnoideus | Numer. List : n.° 3163 (1831) | wfo-0000017917 | ||
| Senecio arachnolomus | Chlor. Andina 1: 104 (1856) | wfo-0000133191 | ||
| Senecio araeus | Anales Univ. Chile lxxxviii. (1894) 291 | wfo-0000028158 | ||
| Senecio araucanus | Linnaea 33: 158 (1864) | wfo-0000084899 | ||
| Senecio arboluco | Fieldiana, Bot. 27: 18. 1950 | wfo-0000124791 | ||
| Senecio arcnarius | Escritos Damaso Antonio Larranaga ii. 255 (1923) [Pub. Inst. Hist. Geog. Urug.]; cf.Gray Herb. Card Cat., Issue 117, nomen. | — | wfo-0000138039 | |
| Senecio arctiifolius | Bull. Misc. Inform. Kew 1895(100-101): 106. [Apr-May 1895] | wfo-0000017606 | ||
| Senecio arctisibiricus | Arktich. Fl. SSSR 10: 235 (1987) | wfo-0000122298 | ||
| Senecio arenarius | Consp. Fl. Eur. 2: 356. 1879 [Oct 1879] | wfo-0000125965 | ||
| Senecio arenarius | Escritos Damaso Antonio Larranaga 2: 255. 1923 ; [Pub. Inst. Hist. Geog. Urug.]; cf.Gray Herb. Card Cat., Issue 117, nomen. | wfo-0000007000 | ||
| Senecio arenarius | Prodr. 6: 345 (1838) | wfo-0000000354 | ||
| Senecio argentatus | J. Bot. 42: 373 (1904) | wfo-0000016583 | ||
| Senecio argenteus var. tillandsiifolius | Revis. Gen. Pl. 3[3]: 176 (1898) | wfo-0001377685 | ||
| Senecio argunensis f. argunensis | – | – | — | wfo-0000058110 |
| Senecio argunensis f. pilosa | Neolin. Fl. Manshur. : 677 (1979) | wfo-0001322890 | ||
| Senecio argunensis var. angustifolius | Fl. Coreana 7: 285 (1999) (1999) | wfo-0001376489 | ||
| Senecio argunensis var. argunensis | – | – | — | wfo-0000057809 |
| Senecio argunensis var. latifolius | Fl. Coreana 7: 286 (1999) (1999) | wfo-0001376490 | ||
| Senecio argyrophylloides | Abhandlungen der Koniglichen Gesellschaft der Wissenschaften zu Gottingen 19: 189 (Plantae Lorentzianae: 141) 1874 | — | wfo-0000046248 | |
| Senecio argyrophyllus | Linnaea 28: 747 1856 | — | wfo-0000010226 | |
| Senecio argyrotrichus | Arq. Mus. Nac. Rio de Janeiro 13: 20 (1903) | wfo-0000024024 | ||
| Senecio arizonicus | Bull. Torrey Bot. Club 10(8): 87 (1883) | wfo-0000058806 | ||
| Senecio armenius | Fl. Ross. (Ledeb.) 2(2,6): 634, sphalm. 1845 [Jun 1845] | wfo-0000122699 | ||
| Senecio armoraciifolius | Fl. Bras. 6(3): 316 (1884) | wfo-0000005406 | ||
| Senecio armoricanus | Deutsche Bot. Monatsschr. 1(3): 38 (1883) | wfo-0000029183 | ||
| Senecio arnaldii | Notas Mus. La Plata, Bot. 18(89): 203, 2F-G (1955) | wfo-0000091322 | ||
| Senecio arnassensis | Étude Fl., ed. 5 [A. Cariot] 2: 344. 1872 ; Gandoger, Fl. Lyonn. 123 (1875). | wfo-0000059207 | ||
| Senecio arnica | Deutschl. Fl. (Sturm), ed. 2. 13: 96 (1905) | wfo-0000066622 | ||
| Senecio arnottianus | Prodr. 6: 367 (1838) | wfo-0000007732 | ||
| Senecio arnottii var. dentatus | Rep. Princeton Univ. Exped. Patagonia, Botany 8: 839 (1906) | wfo-0001377687 | ||
| Senecio aromaticus | Exerc. Bot. : 14 (1782) | wfo-0000130046 | ||
| Senecio aronicum | Ess. Pl. Dauph. Suppl. 10. ; ex Arv. Monog. Pilos. 51 (Quid?) | wfo-0000089479 | ||
| Senecio arrabidae | Nomencl. Bot. 2: 558 (1841) | wfo-0000114769 | ||
| Senecio arrgunensis | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Uzbeksk. S.S.R. : 85 | wfo-0000079546 | ||
| Senecio artemisiifolius | Exerc. Bot. : 14 (1782) | wfo-0000114163 | ||
| Senecio articulatus | Flora 28: 500 (1845) | wfo-0000008627 | ||
| Senecio articulatus f. globosus | – | – | wfo-0001404047 | |
| Senecio arvernensis | Fl. France 8: 316 (1903) | wfo-0000112415 | ||
| Senecio asarifolius | Prodr. 6: 330 (1838) | wfo-0000035084 | ||
| Senecio ascendens | Rapp. Annuel Trav. Soc. Hist. Nat. Ile Maurice 6: 26. 1835 | wfo-0000039212 | ||
| Senecio aschenbornianus | Linnaea 20: 698 (1847) | wfo-0000023106 | ||
| Senecio assuayensis | Chlor. Andina 1: 97 (1856) | wfo-0000026636 | ||
| Senecio atriapiculatus | Mem. New York Bot. Gard. 1: 442 (1900) | wfo-0000134286 | ||
| Senecio atroapicalis | Form. Rastitel'n. Pokrova Basseyna Irtysha 46. 2022 [28 Dec 2022] | wfo-1000049140 | ||
| Senecio atropurpureus var. albescens | Arkt. Tundry Taimyra i Ostr. Karsk. Morya 2: 65 (1994) (1994) | wfo-0001376513 | ||
| Senecio atropurpureus var. tomentosus | Acta Univ. Lund. 2, 46, n.° 1: 1603 (1950) | wfo-0001377688 | ||
| Senecio aucubiflorus | Catalogue des Plantes de Yun-Nan 50 1916 | — | wfo-0000118672 | |
| Senecio aurantiacus | Icon. Fl. Germ. Helv. 16: 44, t. 982 (1853-1854) | wfo-0000068257 | ||
| Senecio aurantiacus var. leiocarpus | – | — | wfo-1200068601 | |
| Senecio aurellus | Bull. Torrey Bot. Club 27(4): 182. 1900 [Apr 1900] | wfo-0000012016 | ||
| Senecio aureus | Numer. List : n.° 3113 (1831) | wfo-0000060098 | ||
| Senecio aureus f. ecoronatus | Rhodora 45: 502 (1943) | wfo-0001321639 | ||
| Senecio aureus var. balsamitae | Fl. N. Amer. 2: 442 (1843) | wfo-0001377689 | ||
| Senecio aureus var. compactus | Syn. Fl. N. Amer. 1(2): 391 (1884) | wfo-0000078696 | ||
| Senecio aureus var. fastigiatus | Fl. South. U.S. : 245 (1860) | wfo-0001377690 | ||
| Senecio aureus var. foliosus | Fl. Bor.-Amer. 1(suppl.): 333 (1834) | wfo-0001377691 | ||
| Senecio aureus var. lanceolatus | Mag. Hort. Bot. 7: 183 (1841) | wfo-0000101936 | ||
| Senecio aureus var. pauciflorus | Ill. Fl. N. U.S. 3: 480 (1898) | wfo-0000075280 | ||
| Senecio auricomus | Prodr. 6: 354 (1838) | wfo-0000067125 | ||
| Senecio auricula subsp. castellanus | Fontqueria 31: 138 (1991) (1991) | wfo-0001366153 | ||
| Senecio auricula subsp. sicoricus | Fontqueria 31: 138 (1991): (1991) | wfo-0001366265 | ||
| Senecio auricula var. sicoricus | Collect. Bot. (Barcelona) 17(1): 91 (1988) | wfo-0001389253 | ||
| Senecio auriculatissimus | Trans. Linn. Soc. London, Bot. 4: 21 (1894) | wfo-0000016665 | ||
| Senecio auriculatus | Revista Mus. La Plata 7: 382, pl. 5 (1896) | wfo-0000035874 | ||
| Senecio auriculatus | Nomencl. Bot. 2: 558 (1841) | wfo-0000055168 | ||
| Senecio auriculatus | Numer. List : n.° 3115 (1831) | wfo-0000124486 | ||
| Senecio aurinitens | Enum. Pl. Transsilv. : 350 (1866) | wfo-0000085639 | ||
| Senecio auritus | Fl. Madeira i. 149 (1868) | wfo-0000024427 | ||
| Senecio auritus | Itin. Princ. S. Coburgi 2: 47. 1888 | wfo-0000061995 | ||
| Senecio auritus | Sp. Pl., ed. 4 [Willdenow] 3(3): 1982. 1803 [Apr-Dec 1803] | wfo-0000021795 | ||
| Senecio austinae | Bull. Calif. Acad. Sci. 1: 93 (1885) | wfo-0000041634 | ||
| Senecio australis var. edentatus | Prodr. (1838) | wfo-0001370848 | ||
| Senecio australis var. macrodontus | Fl. Austral. (1867) | wfo-0001370852 | ||
| Senecio australis var. unidentatus | Prodr. (1838) | wfo-0001370854 | ||
| Senecio austriacus | Deutschl. Fl. (Sturm), ed. 2. 13: 94 (1905) | wfo-0000063985 | ||
| Senecio austriacus | Variabilität u. Sippenabgrenz. Senecio nemorensis-Gruppe europ. Teil. (Diss. Bot. 107) 195 (1987). | wfo-0000014375 | ||
| Senecio autumnalis | Étude Fl., ed. 5 [A. Cariot] 2: 344. 1872 ; Gandoger, Fl. Lyonn. 123 (1875). | wfo-0000065216 | ||
| Senecio axillaris | Abh. Naturf. Ges. Halle 15: 333 (1881) | wfo-0000034002 | ||
| Senecio axillaris | Fl. Flumin. 8: t. 112 (1831) | wfo-0000059347 | ||
| Senecio axillifoliatus | Collect. Bot. (Barcelona) 3: 283 (1953) | wfo-0000105317 | ||
| Senecio ayachicus | Bull. Soc. Sci. Nat. Maroc 1935, xv. 226. | wfo-0000018106 | ||
| Senecio ayapatensis | Fl. Bras. (Martius) 6(2): 314, in obs. sphalm. 1876 [1 Feb 1876] | wfo-0000013307 | ||
| Senecio azulensis | Contr. Ocas. Mus. Hist. Nat. Colegio "De La Salle" n.° 18: 10 (1960) | wfo-0000068498 | ||
| Senecio bachmannii | Bot. Jahrb. Syst. 43(1-2): 64 (1909) | wfo-0000069893 | ||
| Senecio badaroi | Giorn. Fis. Chim. Storia Nat. Med. Arti Dec. 2, 7: 367 (1824) | wfo-0000123786 | ||
| Senecio bairdii | Utah Fl., ed. 4. 257. 2008 | wfo-0001331549 | ||
| Senecio bakeri | Anales Univ. Chile 113: 377 (1903) | wfo-0000016121 | ||
| Senecio balansae | Diagn. Pl. Orient. , ser. 2, 3: 32 (1856) | wfo-0000106087 | ||
| Senecio balbisianus | Bull. Soc. Imp. Naturalistes Moscou 14: 445 (1841) | wfo-0000093575 | ||
| Senecio baldensis | Encycl. 7: 109 (1806) | wfo-0000062326 | ||
| Senecio balsamitae | – | wfo-0000107882 | ||
| Senecio balsamitae var. praelongus | Rhodora 3: 6 (1901) | wfo-0000099136 | ||
| Senecio baoulensis | Explor. Bot. Afrique Occ. Franc. 1: 375. 1920 , nomen | wfo-0000065507 | ||
| Senecio barahonensis | Ark. Bot. 23A, n.° 11: 91 (1931) | wfo-0000073204 | ||
| Senecio barbareaefolius | Bull. Soc. Imp. Naturalistes Moscou 24(3): 90. 1851 | wfo-0000137326 | ||
| Senecio barkleyanus | Feddes Repert. Spec. Nov. Regni Veg. 55: 133 (1953) | wfo-0000011440 | ||
| Senecio barrelieri | Ill. Observ. Bot. : 68 (1773) | wfo-0000042977 | ||
| Senecio barrelieri | Prodr. 6: 354 (1838) | wfo-0000063287 | ||
| Senecio bartianus | – | — | wfo-0000122014 | |
| Senecio basipectinatus | Novon 31(1): 251 2023 | wfo-1000058404 | ||
| Senecio batavicus | Deutsche Bot. Monatsschr. 1(4): 58 (1883) | wfo-0000088855 | ||
| Senecio baumgartenianus | Deutsche Bot. Monatsschr. 1(4): 57 (1883) | wfo-0000135419 | ||
| Senecio baxteri | Rep. Bot. Exch. Club Brit. Isles 1892: 374 (1893) | wfo-0000072483 | ||
| Senecio bedfordii | Cat. Hort. Melb. 1858: 26. | wfo-0000042715 | ||
| Senecio beecheyanus | Flora 28: 499 (1845) | wfo-0000065721 | ||
| Senecio behmianus | – | — | wfo-0000006256 | |
| Senecio bejucosus var. lancifolius | Fieldiana, Bot. 27(1): 23 (1950) | wfo-0001379701 | ||
| Senecio belbeusius | – | — | wfo-0001276662 | |
| Senecio belbeyticus | Encycl. , Suppl. 5: 229 (1817) | wfo-0000036070 | ||
| Senecio benthamianus | Bull. Soc. Bot. France 39: 286 (1892) | wfo-0000059591 | ||
| Senecio benthamii | Chlor. Andina 1: 96 (1856) | wfo-0000009656 | ||
| Senecio bergianus | Prodr. 6: 400 (1838) | wfo-0000042094 | ||
| Senecio berlandieri | Flora, 1845 | wfo-0000006461 | ||
| Senecio berterianus | – | wfo-0000114382 | ||
| Senecio berteroi | Phytotaxa 5: 41 (2010) | wfo-0001331691 | ||
| Senecio bertramii | Mem. Herb. Boiss. 18: 95. | wfo-0000066707 | ||
| Senecio berythaeus | Notul. Syst. (Paris) 14: 113 (1951) | wfo-0000119406 | ||
| Senecio besseranus | – | — | wfo-0001130747 | |
| Senecio bicolor | Cat. Hort. Taur. 1804: 42. | wfo-0000115563 | ||
| Senecio bicolor | Comp. Fl. Ital. [Cesati] 2(22): 517. 1878 | wfo-0000020051 | ||
| Senecio bicolor | Elench. Pl. (Viviani) 32. 1802 [2-6 Jul 1802] ; cf. D.J. Mabberley in Watsonia, 14(3): 279. 1983 | wfo-0000017493 | ||
| Senecio bicolor subsp. nebrodensis | Bot. J. Linn. Soc. 68(4): 273 (1974) | wfo-0001364270 | ||
| Senecio bicolor var. plattii | Notes Roy. Bot. Gard. Edinburgh 33(3): 434 (1975) | wfo-0001386803 | ||
| Senecio bidentatus | Sp. Pl., ed. 4 , 3: 1976 (1803) | wfo-0000122921 | ||
| Senecio bidwillii var. viridis | Cheeseman, T. F. 1906: Manual of the New Zealand Flora. Wellington, N.Z., Government Printer. 383 1906 | — | wfo-0000112558 | |
| Senecio biebersteinii | Supl. Consp. Fl. Romaniei 91. 1909 | wfo-0000029471 | ||
| Senecio bilushenmulatus | New Taxa New Names 3: 265. 2020 | wfo-1000024723 | ||
| Senecio bipartitus | Voyage Yemen 155, nomen. (1889) | wfo-0000126449 | ||
| Senecio bipinnatifidus | Bot. Beechey Voy. : 32 (1830) | wfo-0000018257 | ||
| Senecio bipinnatus | Prodr. 6: 397 (1838) | wfo-0000064094 | ||
| Senecio biseriatus | Contr. Ocas. Mus. Hist. Nat. Colegio "De La Salle" n.° 18: 11 (1960) | wfo-0000064530 | ||
| Senecio blattariifolius | J. Bot. (Morot) 10: 415 (1896) | wfo-0000089564 | ||
| Senecio blumeanus | Beitr. Fl. Aethiop. : 159 (1867) | wfo-0000083444 | ||
| Senecio bogdanowicii | Fl. Kamtschatka iii. 170 (1930). | wfo-0000024467 | ||
| Senecio bohemicus | Klíč Kvét. Českoslov. 652. 1928 , hybr. | wfo-0000019208 | ||
| Senecio boikoanus | Byull. Moskovsk. Obshch. Isp. Prir., Otd. Biol. 99(4): 91 (1994): (1994) | wfo-0000122591 | ||
| Senecio boiteaui | Notul. Syst. (Paris) 10: 110 (1942) | wfo-0000126112 | ||
| Senecio boivinii | Ann. Sci. Nat., Bot. , sér. 5, 18: 375 (1873) | wfo-0000138898 | ||
| Senecio bojeri | J. Proc. Linn. Soc., Bot. 7: 202 (1864) | wfo-0000078426 | ||
| Senecio bolivarianus | Anales Esc. Nac. Ci. Biol. (Mexico City) 18(1-4): 9. 1970 | wfo-0000020922 | ||
| Senecio boluangensis | Acta Phytotax. Geobot. 39: 156 (1988) | wfo-0000033593 | ||
| Senecio boninsimae | Bot. Mag. (Tokyo) 7: 1, t. 2 (1893) | wfo-0000095484 | ||
| Senecio bornmuelleri | Iles Canaries : 464 (1909) | wfo-0000077205 | ||
| Senecio boryanus | Beitr. Fl. Aethiop. : 159 (1867) | wfo-0000069020 | ||
| Senecio borysthenicus | – | — | wfo-0000038775 | |
| Senecio borysthenicus | Fl. URSS 26: 718. 1961 | wfo-0000012262 | ||
| Senecio borysthenius | Prodr. 6: 351 (1838) | wfo-0000030591 | ||
| Senecio brachyatus | Fl. Centre France 2: 344, in obs. (1857) | wfo-0000009305 | ||
| Senecio brachychaetus var. discoideus | Prodr. 6: 362 (1838) | wfo-0001380084 | ||
| Senecio brachyglossus | Linnaea 25: 525 (1853) | wfo-0000022260 | ||
| Senecio brachyglossus var. elatior | Fl. Austral. (1867) | wfo-0001370883 | ||
| Senecio brachyglossus var. major | Fl. Austral. (1867) | wfo-0001370886 | ||
| Senecio brachylaenus | Prodromus 6 1838 | wfo-0000128690 | ||
| Senecio brachypodus var. pleistocephalus | Kew Bull. 74(4)-67: 6. 2019 | wfo-1200009234 | ||
| Senecio brachyrhynchoides | Prodr. 6: 383 (1838) | wfo-0000133259 | ||
| Senecio bracteolatus | Anales Univ. Chile 88: 12 (1894) | wfo-0000067278 | ||
| Senecio bracteolatus var. luteus | Bol. Soc. Argent. Bot. 49(3): 410 (2014) | wfo-0001385448 | ||
| Senecio bradei | Brittonia 7: 61, fig. 3 (1950) | wfo-0000088557 | ||
| Senecio brasiliensis | Fl. Bras. 6(3): 303 (1884) | wfo-0000083289 | ||
| Senecio braxhycodon | – | — | wfo-0001129203 | |
| Senecio breanus | Anales Univ. Chile 88: 251 (1894) | wfo-0000044102 | ||
| Senecio brevilingueus | The Vegetation of the Chatham-Islands 1864 in obs. | wfo-0000012986 | ||
| Senecio brevior | Deutsche Bot. Monatsschr. 1(4): 58 (1883) | wfo-0000119763 | ||
| Senecio breviramulus | Novon 20(1): 107 (fig. 1) (2010) | wfo-0001331711 | ||
| Senecio breviscapus | – | — | wfo-0000076664 | |
| Senecio breweri var. contractus | Ann. Missouri Bot. Gard. 4: 31 (1917) | wfo-0001377695 | ||
| Senecio bridgesii var. leptolobus | Fl. Bras. 6(3): 324 (1884) | wfo-0001377696 | ||
| Senecio brownii | The Vegetation of the Chatham-Islands 1864 in obs. | wfo-0000115430 | ||
| Senecio brunonis | Muelleria 1: 162 (1967) | wfo-0000017964 | ||
| Senecio bucharicus | Trudy Imp. S.-Peterburgsk. Bot. Sada xi. (1890) 335. | wfo-0000125796 | ||
| Senecio buchii | Repert. Spec. Nov. Regni Veg. 17: 407 (1921) | wfo-0000041033 | ||
| Senecio bujedoanus | Bol. Soc. Ibér. Ci. Nat. 25(3-4): 81, hybr. (1926) | wfo-0000078627 | ||
| Senecio bulbosus | Catalogue des Plantes de Yun-Nan 50 1916 | — | wfo-0000116995 | |
| Senecio bulbosus | Beitr. Fl. Aethiop. : 159 (1867) | wfo-0000023050 | ||
| Senecio bungeanus | Bulletin de la societe imperiale des naturalistses de Moscou 40(1): 441 1867 | — | wfo-0000022714 | |
| Senecio byzantinus | Sp. Pl. 2: 871. 1753 [1 May 1753] | wfo-0000043154 | ||
| Senecio byzantinus | Sp. Pl., ed. 4 , 3: 2009 (1803) | wfo-0000090546 | ||
| Senecio cacaliaster | Fl. Filip., ed. 2 : 441 (1845) | wfo-0000138360 | ||
| Senecio cacaliaster | Prodr. 6: 354 (1838) | wfo-0000122907 | ||
| Senecio cacaliifolius var. araneosa | Bulletin de la Societe Botanique de France 39: 296 1892 | — | wfo-0000084353 | |
| Senecio cacaliifolius var. cacaliifolius | – | – | — | wfo-0000049223 |
| Senecio cacaliifolius var. stenocephalus | Bulletin de la Societe Botanique de France 39: 297 1892 | — | wfo-0000105941 | |
| Senecio cacaliiformis | Icon. Fl. Germ. Helv. 16: 43, t. 977, f. 1-9 (1853-1854) | wfo-0000016460 | ||
| Senecio cacalioides | – | wfo-0000033824 | ||
| Senecio cachacoensis | Fieldiana, Bot. 27: 34 (1951) | wfo-0000076432 | ||
| Senecio cadiriensis | Brittonia 8: 190 (-191) (1956) | wfo-0000006295 | ||
| Senecio cadiscus | Compositae Newslett. 47: 29 (2009) | wfo-0001331561 | ||
| Senecio caducifolius | Chlor. Andina 1: 94 (1856) | wfo-0000060432 | ||
| Senecio cajamarquillensis | Bol. Soc. Argent. Bot. 5: 39, fig. 2 (1953) | wfo-0000032570 | ||
| Senecio calabrus | Plants [Basel] 11(19)-2597: 5. 2022 [2 Oct 2022] | wfo-1000044404 | ||
| Senecio calachaquensis | Notas Mus. La Plata, Bot. 18(89): 227, fig. 10 (1955) | wfo-0000061962 | ||
| Senecio calcalioides | – | — | wfo-0000064489 | |
| Senecio californicus var. laxior | Prodr. 6: 426 (1838) | wfo-0001377699 | ||
| Senecio callimocephalus | J. Bot. 56: 231 (1918) | wfo-0000000924 | ||
| Senecio calophyllus | Biol. Cent.-Amer., Bot. 2: 237 (1881) | wfo-0000131533 | ||
| Senecio calvescens | Fl. Caprar. 74, t. 1 (1839) | wfo-0000060572 | ||
| Senecio calvus | Collect. Bot. (Barcelona) 3: 275 (1953) | wfo-0000023875 | ||
| Senecio cambrensis | Watsonia 3: 228 (1955) | wfo-0000010471 | ||
| Senecio campanellifer | Brittonia 12(3): 192. 1960 [Jul 1960] | wfo-0000028708 | ||
| Senecio campanulatus var. glabratus | Blumea 7: 198 (1952) | wfo-0001377700 | ||
| Senecio campester | – | — | wfo-0000049954 | |
| Senecio campester | cf. Oesterr. Bot. Z. 34: 32. 1884 | — | wfo-0000094468 | |
| Senecio campestris | Journal of the Linnean Society, Botany 23(157): 450-451 1888 | — | wfo-0000044550 | |
| Senecio campestris | Trans. Linn. Soc. London 23(2): 295, 332. 1861 [14 Dec 1861] | wfo-0000077556 | ||
| Senecio campestris subsp. kirilowii | Neolin. Fl. Manshur. : 678 (1979) | wfo-0001364271 | ||
| Senecio campestris var. rupicola | Neolin. Fl. Manshur. : 678 (1979) | wfo-0001386804 | ||
| Senecio camporum | Bot. Jahrb. Syst. 32(1): 20, nomen. 1902 [2 May 1902] | wfo-0000139197 | ||
| Senecio canabyi | Notul. Syst. (Paris) 8: 15 (1939) | wfo-0000061204 | ||
| Senecio canaliculatus | Rapp. Annuel Trav. Soc. Hist. Nat. Ile Maurice 6: 26. 1835 | wfo-0000019942 | ||
| Senecio canalipes | Zwei Pflanzengeogr. Dokum. : 220 | wfo-0000136101 | ||
| Senecio cancellatus | Prodr. 6: 435 (1838) | wfo-0000121329 | ||
| Senecio candelariae | 108 1853 | — | wfo-0000059170 | |
| Senecio candidus | Prodr. 6: 355 (1838) | wfo-0000093910 | ||
| Senecio candolleanus | Numer. List [Wallich] n. 3119. 1831 | wfo-0000029821 | ||
| Senecio canescens | Prodr. 6: 414 (1838) | wfo-0000119853 | ||
| Senecio canescens f. magnificus | Fieldiana, Bot. 27(2): 37 (1951) | wfo-0001321638 | ||
| Senecio canescens var. boyacensis | Fieldiana, Bot. 27, n.° 2: 36 (1951) | wfo-0000018282 | ||
| Senecio canicidus | Leopoldina 24: 125 1888 | — | wfo-0000042059 | |
| Senecio cannabifolius f. pubinervis | Report of the Institute of Scientific Research, Manchoukuo 5(5): 150 1941 | — | wfo-0000113574 | |
| Senecio cannabifolius var. cannabifolius | – | – | — | wfo-0000095262 |
| Senecio cannabifolius var. davuricus | Lin. Fl. Manshur. 469. 1939 Rep. Inst. Sci. Research Manchoukuo, 3, App. 1: 469. 1939 | — | wfo-0000101578 | |
| Senecio cannabifolius var. integrifolius | Acta Phytotaxonomica et Geobotanica 6: 275 1937 | — | wfo-0000094490 | |
| Senecio cano-purpureus | Fieldiana, Bot. 27, n.° 2: 42 (1951) | wfo-0000036935 | ||
| Senecio canus | Prodr. Fl. Hispan. 2(1): 118 (1865) | wfo-0000025799 | ||
| Senecio canus var. acraeus | Ottawa Naturalist 25: 118 (1911) | wfo-0001377701 | ||
| Senecio canus var. celsus | Bot. Gaz. 61: 46 (1915) | wfo-0001377702 | ||
| Senecio canus var. pygmaeus | Rep. U.S. Mex. Bound., Bot. [Emory] 103. 1858 | wfo-0001380602 | ||
| Senecio capillaris | Voy. Uranie : 468 (1830) | wfo-0000032425 | ||
| Senecio capillifolius | London J. Bot. 6: 123 (1847) | wfo-0000025999 | ||
| Senecio cappa var. pubescens | Enum. Fl. Pl. Nepal 3: 41 (1982): (1982) | wfo-0001388741 | ||
| Senecio capuronii | Adansonia , sér. 2, 2: 91 (1962) | wfo-0000038199 | ||
| Senecio caricifolius | J. Bot. (Hooker) 3: 345 (1841) | wfo-0000132716 | ||
| Senecio carinatus | Publ. Field Columb. Mus., Bot. Ser. 2: 323 (1912) | wfo-0000035841 | ||
| Senecio carnosulifolius | J. Bot. 70: 74 (1932) | wfo-0000092423 | ||
| Senecio carnosus | Fl. Sicul. 1: xxviii (1826) | wfo-0000089901 | ||
| Senecio carnosus | Fl. Franç. 2: 131 (1779) | wfo-0000132798 | ||
| Senecio carnulentus var. angustissima | Pl. Preiss. (1845) | wfo-0001370899 | ||
| Senecio carnulentus var. latilobus | Pl. Preiss. (1845) | wfo-0000109745 | ||
| Senecio carthagenensis | Prodr. 6: 420 (1838) | wfo-0000135766 | ||
| Senecio casalpatensis | J. Linn. Soc., Bot. xxii. (1885) 47. | — | wfo-0000065854 | |
| Senecio casapaltensis | J. Linn. Soc., Bot. 22: 47 (1885) | wfo-0000011004 | ||
| Senecio caspicus | Linnaea 9: 170 (1834) | wfo-0000061369 | ||
| Senecio castagneanus | Prodr. 6: 354 (1838) | wfo-0000079020 | ||
| Senecio castanaefolius | Prodr. [A. P. de Candolle] 6: 425. 1838 [dt. 1837; publ. early Jan 1838] | wfo-0000017822 | ||
| Senecio castaneifolius | Prodr. 6: 425 (1838) | wfo-0000018907 | ||
| Senecio caulanthifolius | Erythea 3: 117 (1895) | wfo-0000014253 | ||
| Senecio cebennensis | Fl. France 8: 312, in syn. (1903) | wfo-0000130883 | ||
| Senecio cedrorum | Adansonia , sér. 2, 8: 433 (1968) | wfo-0000001740 | ||
| Senecio cenomanensis | Deutsche Bot. Monatsschr. 1(3): 38 (1883) | wfo-0000131162 | ||
| Senecio ceratophyllus var. macrodon | Ark. Bot. 24A, n.° 6: 78 (1931) | wfo-0000107636 | ||
| Senecio ceratophyllus var. major | J. Bot. (Hooker) 3: 332 (1841) | wfo-0000100245 | ||
| Senecio ceratophyllus var. nanus | J. Bot. (Hooker) 3: 332 (1841) | wfo-0001377703 | ||
| Senecio cerrateae | Notas Mus. La Plata, Bot. 18(89): 201, fig. 5 (1955) | wfo-0000069009 | ||
| Senecio cerratei | in Not. Mus., Eva Peron, Bot., xviii. 201 (1955). | — | wfo-0000083856 | |
| Senecio cervariaefolius | Biologia Centrali-Americana; . . . Botany . . . 2(10): "237, t. 51" 1881 | — | wfo-0000119359 | |
| Senecio cervariifolius | Flora 28: 498 (1845) | wfo-0000024418 | ||
| Senecio cervilingua | Chlor. Andina 1: 125 (1856) | wfo-0000061460 | ||
| Senecio chaberti | Étude Fl., ed. 5 [A. Cariot] 2: 344. 1872 ; Gandoger, Fl. Lyonn. 123 (1875). | wfo-0000127261 | ||
| Senecio chabertii | 1872 | — | wfo-0000133115 | |
| Senecio chachaniensis | Fieldiana, Bot. 27, n.° 2: 44 (1951) | wfo-0000085770 | ||
| Senecio chanaralensis var. luxurians | Anales Univ. Chile 88: 265 (1894) | wfo-0001377705 | ||
| Senecio chanaralensis var. subliratus | Anales Univ. Chile 112: 424 (1903) | wfo-0001377706 | ||
| Senecio chapacensis | Leafl. Bot. Observ. Crit. 2: 14 (1909) | wfo-0000007195 | ||
| Senecio chassanicus | Fl. Ross. Dal'nego Vostoka 450 (246-247; map) (2006) | wfo-0000030423 | ||
| Senecio chavanilloensis | Collect. Bot. (Barcelona) 3: 269 (1953) | wfo-0000032781 | ||
| Senecio chilensis f. chilensis | – | – | wfo-1200059671 | |
| Senecio chilensis f. discoideus | – | — | wfo-1200059667 | |
| Senecio chilensis f. patagonicus | Trab. Inst. Bot. Farmacol. n.° 33: 89 (1915) | wfo-0001321103 | ||
| Senecio chillaloensis | Webbia 26(1): 119 (-120) (1971) | wfo-0000035182 | ||
| Senecio chingualensis | Feddes Repert. Spec. Nov. Regni Veg. 55: 137 (1953) | wfo-0000025263 | ||
| Senecio chionopappus | Flora 28: 50 (1845) | wfo-0000040254 | ||
| Senecio chloranthus | Pittonia 4(22): 118 (1900) | wfo-0000046263 | ||
| Senecio choczensis | Preslia 44(4): 328 (1972) | wfo-0000122352 | ||
| Senecio choiquelauensis | Anales Soc. Ci. Argent. 53: 16 (1902) | wfo-0000041217 | ||
| Senecio chordifolius | Bot. Mag. 102: t. 6216 (1876) | wfo-0000077041 | ||
| Senecio chrysactia | – | — | wfo-0000019282 | |
| Senecio chrysactis | Biol. Cent.-Amer., Bot. 2: 237 (1881) | wfo-0000120195 | ||
| Senecio chrysanthemifolius | Sicul. Pl. Cent. 2, 52 (Dec 1807 or early 180 | wfo-0000031069 | ||
| Senecio chrysanthemifolius | Bibliot. Ital. (Milan) xii. (1818) 374 | wfo-0000045580 | ||
| Senecio chrysanthemoides | Baier. Fl. ii. 386. 1789 | wfo-0000069499 | ||
| Senecio chrysanthemoides var. sisymbriiformis | – | — | wfo-0001043876 | |
| Senecio chrysanthemoides var. spectabilis | – | wfo-0001043877 | ||
| Senecio chrysanthemum var. discoideus | Bol. Soc. Argent. Bot. 49(1): 112 (2014) | wfo-0001385141 | ||
| Senecio chrysanthus | Bot. Jahrb. Syst. 32(1): 21, nomen. (1902) | wfo-0000026185 | ||
| Senecio cicutarius | Prodr. 6: 349 (1838) | wfo-0000062732 | ||
| Senecio ciliolatus | Prodromus 6 1838 | wfo-0000095725 | ||
| Senecio cinerariae | Syst. Veg. 4(2, Cur. Post.): 346 (1827) | wfo-0000058897 | ||
| Senecio cinerarioides | Voy. Astrolabe 2: 128. 1834 | wfo-0000006806 | ||
| Senecio cinerarioides | Fl. Libyc. Spec. 68. 1824 [pre-August 1824] | wfo-0000021835 | ||
| Senecio cinerarius | Ann. Soc. Bot. Lyon vii. (1880) 134 | wfo-0000018493 | ||
| Senecio cinereus | Mem. Reale Accad. Sci. Torino xxxviii. (1835) 33. | wfo-0000021271 | ||
| Senecio cinereus | Elench. Sem. Hort. Tic. [3]. 1829 ; ex DC. Prod. vi. 436 | wfo-0000121064 | ||
| Senecio cinereus | Beitr. Fl. Ost.-Rumel. und Bulg. -. 1886 ; ex Bot. Centralbl. xxxvi. (1888) 62 | wfo-0000024858 | ||
| Senecio ciroilingua | – | — | wfo-0000086353 | |
| Senecio cirsioides | Biol. Cent.-Amer., Bot. 2: 238 (1881) | wfo-0000138733 | ||
| Senecio citrinus | Vilm. Blumengärtn. ed. 3 1: 522 (1894) | wfo-0000044250 | ||
| Senecio cleistolepis | Anales Univ. Chile 88: 264 (1894) | wfo-0000038029 | ||
| Senecio clivicola var. pampae | – | wfo-1200068278 | ||
| Senecio clusianus | Icon. Fl. Germ. Helv. 16: 44, t. 980 (1853-1854) | wfo-0000010835 | ||
| Senecio clusii | Flora 28: 498 (1845) | wfo-0000014834 | ||
| Senecio cobrensis | Fieldiana, Bot. 27: 27 (-28) (1950) | wfo-0000124676 | ||
| Senecio coccineus | Handb. Succ. Pl. ii. 1022 (1954) | wfo-0000090081 | ||
| Senecio colensoensis | in Kuntze, Revis. Gen. Pl. 3[3]: 172. 1898 [28 Sep 1898] | wfo-0000121628 | ||
| Senecio collinus | Ann. Missouri Bot. Gard. 5: 80 (1918) | wfo-0000067702 | ||
| Senecio collinus | Ann. Missouri Bot. Gard. 5(1): 80. 1918 [3 Apr 1918] , in syn. | wfo-0000121052 | ||
| Senecio colombianus | Caldasia 1: 9 (1940) | wfo-0000012832 | ||
| Senecio columnae | Deutschl. Fl. (Sturm), ed. 2. 13: 92 (1905) | wfo-0000019267 | ||
| Senecio commersonii | Syst. Veg. 3: 554 (1826) | wfo-0000126949 | ||
| Senecio commutatus | Fl. Wirceb. ii. 293; Spenn. Fl. Friburg. | wfo-0000039274 | ||
| Senecio comosus var. blancus | Fieldiana, Bot. 27, n.° 2: 63 (1951) | wfo-0001377707 | ||
| Senecio comosus var. debilis | Fieldiana, Bot. 27, n.° 2: 63 (1951) | wfo-0001377708 | ||
| Senecio compactus | Mem. Torrey Bot. Club v. (1894) 342. | wfo-0000000485 | ||
| Senecio compta | Journal de Botanique (Morot) 10: 422 1896 | — | wfo-0000070871 | |
| Senecio conchilobus | Bot. Jahrb. Syst. 32(1): 21, nomen. (1902) | wfo-0000035177 | ||
| Senecio conchocladus | Cact. J. (Croydon) 2: 51, in obs., nomen. (1934) | wfo-0000074734 | ||
| Senecio concolor | Fl. Réunion (1895) 543 | wfo-0000086714 | ||
| Senecio concolor | Fl. Cap. 3: 362 (1865) | wfo-0000092674 | ||
| Senecio condensatus | Pittonia 3(18): 298 (1898) | wfo-0000129216 | ||
| Senecio confertus | Ann. Missouri Bot. Gard. 5: 50. 1918 | wfo-0000034942 | ||
| Senecio confertus | Ann. Missouri Bot. Gard. 5(1): 50. 1918 [3 Apr 1918] , in syn. | wfo-0000077581 | ||
| Senecio conferviferus | Fl. Kouy-Tchéou 104 (-105) (1914-15) (1914) | wfo-0000061854 | ||
| Senecio constanzae | Symb. Antill. 7(3): 430 (1912) | wfo-0000018795 | ||
| Senecio contristatus | Pl. Baker. 3: 24 (1901) | wfo-0000006567 | ||
| Senecio controversus | Consp. Fl. Eur. 2: 353 (1879) | wfo-0000019911 | ||
| Senecio contumazensis | Anales Jard. Bot. Madrid 80(2): 2 2023 | wfo-1000058317 | ||
| Senecio conyzoides | Prodr. 6: 412 (1838) | wfo-0000030780 | ||
| Senecio corazonensis | Bot. Jahrb. Syst. xxix. 73. | wfo-0000039174 | ||
| Senecio cordato-rotundus | Nomencl. Bot. 2: 559 (1841) | wfo-0000136418 | ||
| Senecio cordatus | Flora 17(2): 614 (1834) | wfo-0000030101 | ||
| Senecio cordatus | Numer. List : n.° 3109 (1831) | wfo-0000134416 | ||
| Senecio cordifolius var. neaei | Monogr. Senecio pt. 1, 26. 1901 Engl. Bot. Jahrb. 32: 22. 1902 | wfo-0001377709 | ||
| Senecio cordillerae | Anales Univ. Chile 88: 277 (1894) | wfo-0000041352 | ||
| Senecio corei | Feddes Repert. Spec. Nov. Regni Veg. 55: 136 (1953) | wfo-0000010292 | ||
| Senecio coriaceus | Hort. Kew. 3: 195 (1789) | wfo-0000038229 | ||
| Senecio coronopifolius | J. Linn. Soc., Bot. 16: 514 (1878) | wfo-0000061536 | ||
| Senecio corsicus | Flora 28: 498 (1845) | wfo-0000071642 | ||
| Senecio cortesianus | Wiss. Erg. Deut. Zentr.-Afr. Exped., Bot. 2: 399 (1911) | wfo-0000096205 | ||
| Senecio corymbosus | Handb. Sukkulent. Pfl. 2: 1022. 1954 | wfo-0000067672 | ||
| Senecio corymbosus | Anleit. Beob. Alpenpfl. : 135 (1882) | wfo-0000123402 | ||
| Senecio corymbosus | Numer. List [Wallich] n. 3121 | wfo-0000135744 | ||
| Senecio corymbosus var. walkeri | Ceylon J. Sci., Biol. Sci. 11(1): 22 (1974) | wfo-0001386805 | ||
| Senecio costae | Fl. France 8: 335 (1903) | wfo-0000005647 | ||
| Senecio cottonii | Bull. Misc. Inform. Kew 1930: 115 (1930) | wfo-0000081968 | ||
| Senecio coulteri | Ann. Missouri Bot. Gard. 1: 272 (1914) | wfo-0000078172 | ||
| Senecio coxii | Linnaea 33: 150 (1864) | wfo-0000082839 | ||
| Senecio crambefolius | Fl. Orient. 3: 396 (1875) | wfo-0000013090 | ||
| Senecio crassiandinus | Phytotaxa 347(3): 214. 2018 | wfo-1000007561 | ||
| Senecio crassicaulis | Rev. Hort. [Paris]. ser. 3, 1: 87. 1847 | wfo-0000043745 | ||
| Senecio crassicaulis | Ann. S. African Mus. ix. 403 (1917). | wfo-0000031010 | ||
| Senecio crassiflorus var. grandiflorus | Revis. Gen. Pl. 3[3]: 172 (1898) | wfo-0001377710 | ||
| Senecio crassiflorus var. parviflorus | Revis. Gen. Pl. 3[3]: 172 (1898) | wfo-0001377712 | ||
| Senecio crassifolius | Annal. Naturh. Hofmus. Wien 2: 163. 1887 | wfo-0000132777 | ||
| Senecio crassifolius | Fl. Graec. 9: 53, t. 868. (1839) | wfo-0000009110 | ||
| Senecio crassilodix | Collect. Bot. (Barcelona) 3: 280 (1953) | wfo-0000042187 | ||
| Senecio crassissimus | Compos. Madagascar 143, 304 (1923) | wfo-0000120824 | ||
| Senecio crassus | Handb. Sukkulent. Pfl. 2: 1023. 1954 | wfo-0000035140 | ||
| Senecio crepidiformis | Ann. S. African Mus. ix. 397 (1917). | wfo-0000067197 | ||
| Senecio crepidioides | Beitr. Fl. Aethiop. : 155 (1867) | wfo-0000068581 | ||
| Senecio cristatus | Prodr. Pl. Cap. 2: 157 (1800) | wfo-0000032253 | ||
| Senecio crithmifolius | Voy. Astrolabe 2: 116. 1834 | wfo-0000015988 | ||
| Senecio crithmifolius | Fl. Carniol. 2: 163 (1772) | wfo-0000068297 | ||
| Senecio croaticus | Descr. Icon. Pl. Hung. 2: 153 (1803-1805) | wfo-0000036228 | ||
| Senecio croceus | Prodr. 6: 359 (1838) | wfo-0000036235 | ||
| Senecio croussei | Hort. Universel 5: 172 (1843) | wfo-0000005984 | ||
| Senecio crucaefolius | Prodr. Fl. Hispan. ii. 120, in syn., sphalm. | wfo-0000017674 | ||
| Senecio cruciatus | Suppl. Pl. : 371 (1782) | wfo-0000093692 | ||
| Senecio crucifolius | – | — | wfo-0001130785 | |
| Senecio cruentus | Arch. Bot. [Leipzig] 1(3): 44. 1798 [Jul-Dec 1798] | wfo-0000043308 | ||
| Senecio cruentus var. lacteus | Prodromus Systematis Naturalis Regni Vegetabilis 6: 410 1837 [1838] | — | wfo-0000108553 | |
| Senecio cryophilus | Sist. Zametki Mater. Gerb. Krylova Tomsk. Gosud. Univ. Kuybysheva 1-2: 26. 1949 | wfo-0000132968 | ||
| Senecio cryptocephalus | Chlor. Andina 1: 90 (1856) | wfo-0000094186 | ||
| Senecio ctenophyllus | Proc. Amer. Acad. Arts 43: 20. 1907 | wfo-0000034098 | ||
| Senecio cubensis | Publ. Field Columb. Mus., Bot. Ser. 2: 324. 1912 | wfo-0000113602 | ||
| Senecio cuencanus var. tomentella | Bot. Jahrb. Syst. 28(5): 632 (1901) | wfo-0001377714 | ||
| Senecio culcitium | Fl. Chil. 4(2): 200 (1849) | wfo-0000042596 | ||
| Senecio cumingii | Abh. Naturf. Ges. Halle 15: 330 (1881) | wfo-0000013764 | ||
| Senecio cunninghamii var. cunninghamii | – | – | wfo-0000112054 | |
| Senecio cydoniaefolius | Nomencl. Bot. [Steudel], ed. 2. 2: 560. 1841 | wfo-0000090935 | ||
| Senecio cydoniifolius | Abh. Königl. Akad. Wiss. Berlin 1894: 19, 20, 42, nomen. | wfo-0000016243 | ||
| Senecio cygnorum | Plantae Preissianae 1(4) 1845 | wfo-0000036897 | ||
| Senecio cylindricus | Sukkulentenk. 4: 90. 1951 | wfo-0000061573 | ||
| Senecio cymbalarioides var. aphanactis | Contr. U.S. Natl. Herb. 25: 611, 614 (1925) | wfo-0001377716 | ||
| Senecio cymbalarioides var. suksdorfii | – | — | wfo-0000116446 | |
| Senecio cypriaefolius | Nomencl. Bot. 2: 560, sphalm. (1841) | wfo-0000013327 | ||
| Senecio cyri | Linnaea 24: 362 (1851) | wfo-0000012958 | ||
| Senecio dahuricus | Bull. Soc. Imp. Naturalistes Moscou 20(II): 19 (1847) | wfo-0000079886 | ||
| Senecio dahuricus var. ochotensis | Bull. Acad. Imp. Sci. Saint-Petersbourg 19: 485 1874 | — | wfo-0001250679 | |
| Senecio dalmaticus | Fl. Dalmat. ii. 69, in syn. (1847) | wfo-0000046280 | ||
| Senecio danal | Proc. Amer. Acad. Arts v. (1861) 142. | wfo-0000132984 | ||
| Senecio danubialis | Deutsche Bot. Monatsschr. 1(4): 57 (1883) | wfo-0000096581 | ||
| Senecio danyausii | Voy. Pôle Sud : 48 | wfo-0000087994 | ||
| Senecio daphnoides | Encycl. , Suppl. 5: 133 (1817) | wfo-0000001035 | ||
| Senecio darwinii f. falklandica | Kongl. Svenska Vetensk. Acad. Handl. 50(3): 57 (1913) | wfo-0000033043 | ||
| Senecio dasphyllus | – | wfo-0001348982 | ||
| Senecio dasyanthus | – | — | wfo-0000132473 | |
| Senecio davisii | Notes Roy. Bot. Gard. Edinburgh 33(2): 256 (1974) | wfo-0000009966 | ||
| Senecio davuricus | Enum. Pl. Jap. i. 250 | wfo-0000011243 | ||
| Senecio dawsonii | – | — | wfo-0000124540 | |
| Senecio dealbatus | Linnaea 28: 747 (1858) | wfo-0000063628 | ||
| Senecio deasyi | Hooker's Icon. Pl. 26: t. 2587 (1899) | wfo-0000019836 | ||
| Senecio decipiens | Variabilität u. Sippenabgrenz. Senecio nemorensis-Gruppe europ. Teil. (Diss. Bot. 107) 197 (1987). | wfo-0000132385 | ||
| Senecio decipiens | Fl. Republ. Popul. Român. ix. 587, 969 (1964). | wfo-0000003139 | ||
| Senecio decompositus | Bot. Jahrb. Syst. 28(5): 634 (1901) | wfo-0000092914 | ||
| Senecio deflersii | Mitt. Inst. Allg. Bot. Hamburg 10: 290 (1939) | wfo-0000021064 | ||
| Senecio delbesianus | Notul. Syst. (Paris) 14: 197 (1952) | wfo-0000082855 | ||
| Senecio delessertii | Beitr. Fl. Aethiop. : 159 (1867) | wfo-0000002848 | ||
| Senecio deliculatus | Hickenia 1(37): 203, fig (1979) | wfo-0000116735 | ||
| Senecio delphinifolius | Iconogr. Bot. Pl. Crit. 4: 29 (1826) | wfo-0000001106 | ||
| Senecio delubrorum | Herb. Graec. Norm. ser. 2, cent. 8-16: no. 1347. 1894 [24 Mar 1894] | wfo-0001328988 | ||
| Senecio denalii | Amer. J. Bot. 32: 289 (1945) | wfo-0000083117 | ||
| Senecio denisii | Compos. Madagascar 137, 304 (1923) | wfo-0000076697 | ||
| Senecio dentatus | Collectanea [Jacquin] 5: 150, t. 6, f. 2. [1796 publ. late 1797] | wfo-0000009527 | ||
| Senecio dentatus | Numer. List : n.° 3112 (1831) | wfo-0000019321 | ||
| Senecio denticulata | Bot. Beechey Voy. 29 (1830) | wfo-0000025467 | ||
| Senecio denticulatus | Mem. Bot. Surv. South Africa 20: 30 (1941) | wfo-0000040582 | ||
| Senecio denudatus | Prodr. Fl. Nepal. : 179 (1825) | wfo-0000031792 | ||
| Senecio desideratus | Fl. Bras. 6(3): 318 (1884) | wfo-0000038959 | ||
| Senecio desideratus f. elatiuscula | Bol. Acad. Nac. Ci. 16: 235 (1900) | wfo-0001321104 | ||
| Senecio desquamatus | Enum. Pl. Suppl. [Willdenow] 58. 1814 [Jul-Dec 1814] ; ex DC. Prod. vi. 346 | wfo-0000093159 | ||
| Senecio dewildemanianus | Bull. Soc. Roy. Bot. Belgique 49: 229 (1913). (1912 publ. 1913) | wfo-0000022167 | ||
| Senecio diabolicus | Anales Soc. Ci. Argent. 53: 20 (1902) | wfo-0000010732 | ||
| Senecio diamantensis | Fieldiana, Bot. 27: 26 (-27) (1951) | wfo-0000036369 | ||
| Senecio dichrous | Flora 28: 499. 1845 | wfo-0000029069 | ||
| Senecio dielsii | Bot. Jahrb. Syst. 43(1-2): 62. 1909 [23 Feb 1909] | wfo-0000041642 | ||
| Senecio diffusus | Bot. Jahrb. Syst. 32(1): 20, nomen. 1902 [2 May 1902] | wfo-0000025966 | ||
| Senecio dileptiifolius | Ottawa Naturalist 15: 251 (1902) | wfo-0000080646 | ||
| Senecio disciformis | Bot. Jahrb. Syst. xxix. 72. | wfo-0000001668 | ||
| Senecio discoideus | Ot Sist. Bot. Dergisi 25(1): 6. 2018 | wfo-1200002913 | ||
| Senecio discoloratus | Fieldiana, Bot. 27: 43 (1950) | wfo-0000000239 | ||
| Senecio divergens | Consp. Fl. Eur. 2: 355 (1879) | wfo-0000095191 | ||
| Senecio diversifolius | Fl. Belg. : 66 (1827) | wfo-0000117617 | ||
| Senecio diversifolius | Anales Univ. Chile 1873: 495 (1873) | wfo-0000043813 | ||
| Senecio diversifolius | Numer. List [Wallich] n. 3128. 1831 | wfo-0000006883 | ||
| Senecio doeringii | Bol. Acad. Nac. Ci. 3: 358. 1879 | wfo-0000025607 | ||
| Senecio dolichanthus | J. Bot. 67: 130 (1929) | wfo-0000066209 | ||
| Senecio dominii | Folia Geobot. 34(3): 334 (1999) (1999) | wfo-0000117239 | ||
| Senecio don-candidus | Fieldiana, Bot. 27: 44 (1950) | wfo-0000005442 | ||
| Senecio donae | – | wfo-0000121859 | ||
| Senecio donae var. anae | Anales Univ. Chile 88: 6 (1894) | wfo-0001377717 | ||
| Senecio doria | Fl. Brux. 283. | wfo-0000026766 | ||
| Senecio doria subsp. doria | – | – | — | wfo-0001443368 |
| Senecio doriiformis subsp. orientalis | Notes Roy. Bot. Gard. Edinburgh 33(3): 434 (1975) | wfo-0001364272 | ||
| Senecio doronicum | Flora 34: 745 (1851) | wfo-0000091114 | ||
| Senecio doronicum subsp. gerardii | Subesp. Variación Geogr. 15. 1973 | wfo-0001364273 | ||
| Senecio doronicum subsp. glaberrimus | Opred. Vissh. Rast. Bulg. : 786 (1992) | wfo-0001361364 | ||
| Senecio doronicum subsp. lusitanicus | Fl. Portugal : 641 (1913) | wfo-0001360004 | ||
| Senecio doronicum var. bartelieri | Bot. Gall. 0.224305556 1828 | wfo-1200028601 | ||
| Senecio doronicum var. glaberrimus | Pl. Banat. Rar. 74 (t. 24) (1828) | wfo-0001383311 | ||
| Senecio doronicum var. tomentosus | Bot. Gall. 0.224305556 1828 | wfo-1200028602 | ||
| Senecio douglasii var. filiformis | Revis. Gen. Pl. 1: 362 (1891) | wfo-0001377718 | ||
| Senecio douglasii var. normalis | Revis. Gen. Pl. 1: 362 (1891) | wfo-0001377719 | ||
| Senecio douglasii var. sublanceolatus | Revis. Gen. Pl. 1: 362 (1891) | wfo-0001377720 | ||
| Senecio drepanophyllus | Bot. Jahrb. Syst. 12(1-2, Beibl. 27): 26 (1890) | wfo-0000000317 | ||
| Senecio dryadeus | Prodr. 6: 374 (1838) | wfo-0000108541 | ||
| Senecio dryadeus var. garlandii | Census of New South Wales Plants 1916 | wfo-0001372955 | ||
| Senecio dryadeus var. macrodontus | Fl. Victoria (1931) | wfo-0001372956 | ||
| Senecio drymophilus | Trans. Phil. Inst. Vict. 2: 69. 1858 | wfo-0000013891 | ||
| Senecio dubitabilis var. densicapitatus | Fl. Xinjiangensis 5: 477 (1999), as 'deniscapit (1999) | wfo-0001370486 | ||
| Senecio dubitabilis var. linearifolius | Fl. Xinjiangensis 5: 477 (1999) (1999) | wfo-0001370485 | ||
| Senecio dubius | Fl. Brit. India 3(8): 342 (1881) | wfo-0000014982 | ||
| Senecio dubius | Beitr. Fl. Aethiop. [Schweinfurth] 159. 1867 | wfo-0000065940 | ||
| Senecio dumeticolus var. tearaneus | – | — | wfo-1200068280 | |
| Senecio duriaei | in Journ. Bot. 1929, lxvii. 310, descr. | — | wfo-0000059114 | |
| Senecio duriaei | Prodr. [A. P. de Candolle] 6: 350. 1838 [dt. 1837; publ. early Jan 1838] | wfo-1200010779 | ||
| Senecio dusenii | in Scott, Rep. Princeton Univ. Exped. Patag. 8: 844. 1906 | wfo-0000007380 | ||
| Senecio dusenii | Rep. Princeton Univ. Exped. Patag. 8: 21. 1906 | wfo-0000082812 | ||
| Senecio eboracensis | Watsonia 24(3): 377 (2003) (2003) | wfo-0000072869 | ||
| Senecio ecalyculatus | Beitr. Fl. Aethiop. : 159 (1867) | wfo-0000025283 | ||
| Senecio ecklonis | Mem. Bot. Surv. South Africa 1: 104 (1919) | wfo-0000131246 | ||
| Senecio eightsii | Journal of Botany, being a second series of the Botanical Miscellany 3: 332 1841 | — | wfo-0000005582 | |
| Senecio ekmanii | Contr. Ocas. Mus. Hist. Nat. Colegio "De La Salle" n.° 18: 11 (1960) | wfo-0000013524 | ||
| Senecio elamutensis | Bull. Soc. Bot. France 39: 292 (1893) | wfo-0000025064 | ||
| Senecio elatior | Nomencl. Bot. 2: 560 (1841) | wfo-0000018906 | ||
| Senecio elatoides | Chlor. Andina 1: 101 (-102) (1856) | wfo-0000005975 | ||
| Senecio elbrusensis | Fl. Orient. 3: 410 (1875) | wfo-0000016159 | ||
| Senecio elegans var. diffusus | Fl. Victoria (1931) | wfo-0001372969 | ||
| Senecio elegans var. erectus | Fl. Victoria (1931) | wfo-0001372971 | ||
| Senecio eligulatus | Compositae Newslett. 38: 42 (2002) | wfo-0000061766 | ||
| Senecio ellenbergii | Brittonia 12: 187 (1960) | wfo-0000082674 | ||
| Senecio elodes | – | — | wfo-0000023537 | |
| Senecio elongatus | Rep. Bot. Soc. Exch. Club Brit. Isles 4(Suppl. 2): 646 (1917) | wfo-0000080361 | ||
| Senecio emilioides | Fl. Bras. 6(3): 304 (1884) | wfo-0000118138 | ||
| Senecio emmae | Bol. Soc. Argent. Bot. 5: 41, fig. 4 (1953) | wfo-0000078698 | ||
| Senecio emodensis | Flora 28: 50 (1845) | wfo-0000069627 | ||
| Senecio endlicheri | Prodromus 6 1838 | wfo-0000117253 | ||
| Senecio ephemerus | Phytotaxa 556(1): 83. 2022 | wfo-1000031006 | ||
| Senecio erechthitoides | J. Bot. 20: 171 (1882) | wfo-0000126352 | ||
| Senecio eremophilus | Fl. Atacam. : 32 (1860) | wfo-0000124263 | ||
| Senecio eremophilus subsp. kingii | Canad. J. Bot. 56(14): 1710. 1978 | wfo-0000105079 | ||
| Senecio erici-rosenii | Svensk Bot. Tidskr. 16(3-4): 330 (1922) | wfo-0000089401 | ||
| Senecio erici-rosenii var. alticola | Repert. Spec. Nov. Regni Veg. 18: 230 (1922) | wfo-0000108884 | ||
| Senecio erici-rosenii var. erici-rosenii | – | – | — | wfo-0000053721 |
| Senecio erigeroides | in Scott, Rep. Princeton Univ. Exped. Patag. 8(Suppl. Bot.): t. 2, expl. pl. 1915 , sphalm. | wfo-0000064395 | ||
| Senecio eriocarphus | Torreya 13: 257-258. 1913 | wfo-0000039442 | ||
| Senecio eriocephalus | Bull. Soc. Roy. Bot. Belgique 31: 212. 1893 [1892 publ 1893] | wfo-0000088302 | ||
| Senecio eriocephalus | Bull. Soc. Roy. Bot. Belgique 31: 212 (1892) | wfo-0000063058 | ||
| Senecio eriocladus | Chlor. Andina 1: 131 (1856) | wfo-0000138763 | ||
| Senecio eriopodus | Leopoldina 24: 125. 1888 | wfo-0000080562 | ||
| Senecio eriospermus var. crambefolius | – | – | wfo-0001415651 | |
| Senecio erodiifolius | Prodr. 6: 381 (1838) | wfo-0000139138 | ||
| Senecio erraticus | Flora 34: 744. 1851 | wfo-0000029313 | ||
| Senecio erubescens var. crepidifolius | – | — | wfo-0001442883 | |
| Senecio erubescens var. dichotomus | – | — | wfo-0001442884 | |
| Senecio erucifolius var. tenuifolius | Bot. Gall. 0.223611111 1828 | wfo-1200028621 | ||
| Senecio espiritosantensis | Phytotaxa 334(3): 297. 2018 | wfo-1000007562 | ||
| Senecio ettoreus | Prodr. Pl. Cap. 2: 158 (1800) | wfo-0000000193 | ||
| Senecio eubaeus | Diagn. Pl. Orient. , ser. 2, 3: 36 (1856) | wfo-0000127152 | ||
| Senecio euclaensis | Muelleria 20: 77 (figs. 2, 5) (2004) | wfo-0000061250 | ||
| Senecio eupatorioides | Flora 27(2): 702 (1844) | wfo-0000021686 | ||
| Senecio eurycephalus var. austinae | Man. Fl. Pl. Calif. : 1154 (1925) | wfo-0001377722 | ||
| Senecio evansianus | Kew Bull. 47(4) 1992 | wfo-0000043916 | ||
| Senecio evenius | Phytotaxa 5: 42 (2010) | wfo-0001331692 | ||
| Senecio eversii | Oesterr. Bot. Z. 43: 151 (1893) | wfo-0000088941 | ||
| Senecio eversii | Allg. Bot. Z. Syst. xiv. 8 (1908). | wfo-0000131361 | ||
| Senecio exaltatus var. uniflosculus | Pacif. Railr. Rep. : 111 (1857) | wfo-0001377723 | ||
| Senecio exilis | Voy. Pôle Sud : 50 | wfo-0000026903 | ||
| Senecio eximius | Biol. Cent.-Amer., Bot. 2: 239 (1881) | wfo-0000092330 | ||
| Senecio exsertus var. abbreviatus | Notul. Syst. (Paris) 15(4): 370 1959 | wfo-1200068878 | ||
| Senecio fadyenii var. dolichanthus | Symb. Antill. 1(3): 470 (1899) | wfo-0000106465 | ||
| Senecio fafinaceus | Tent. Fl. Abyss. 1: 443 1843 | — | wfo-0001274099 | |
| Senecio falklandicus var. pinnatifidus | Ergebn. Schwed. Exp. Magell. 3, pt. 5: 110 (1900) | wfo-0001377724 | ||
| Senecio fanshawei | Kew Bull. 74(4)-67: 1. 2019 | wfo-1000034567 | ||
| Senecio farfaraefolius | – | — | wfo-1000056221 | |
| Senecio farfarifolius | Bulletin de l'Academie Imperiale des Sciences de St-Petersbourg 19: 483 1874 | — | wfo-0000037343 | |
| Senecio farfarifolius var. nipponicus | Bull. Acad. Imp. Sci. Saint-Pétersbourg 19: 484. 1874 [Jun 1874] , as 'nipponica' | wfo-1200040700 | ||
| Senecio farfarifolius var. ramosus | Bull. Acad. Imp. Sci. Saint-Pétersbourg 19: 484. 1874 [Jun 1874] , as 'ramosa' | wfo-0001408526 | ||
| Senecio farfarus | Biol. Cent.-Amer., Bot. 2: 239 (1881) | wfo-0000084596 | ||
| Senecio farfugium | Wochenschr. Gärtnerei Pflanzenk. 1: 209 (1858) | wfo-0000086340 | ||
| Senecio farriae | Bot. Gaz. 42: 147 (1906) | wfo-0000115039 | ||
| Senecio farrisii | Refug. Bot. t. 250 | wfo-0000131287 | ||
| Senecio fasciculatus | J. Bot. (Hooker) 3: 344. 1841 | wfo-0000041924 | ||
| Senecio fasciculatus | – | — | wfo-0000061261 | |
| Senecio fasciculatus | Prodr. 5: 439 (1836) | wfo-0000010400 | ||
| Senecio fastigiatus | Smithsonian Contr. Knowl. 5(6): 99. 1853 [1 Feb 1853] ; Plantae Wrightianae | wfo-0000120071 | ||
| Senecio fastigiatus var. eroso-dentatus | Ann. Missouri Bot. Gard. 5: 96 (1918) | wfo-0001377725 | ||
| Senecio fauriae | Bulletin de la Societe Philomatique de Paris 12: 87 1888 | — | wfo-0000098320 | |
| Senecio fauriei | Repert. Spec. Nov. Regni Veg. 8: 139 (1910) | wfo-0000071264 | ||
| Senecio fayei | Fl. Lyon. : 123 (1875) | wfo-0000042419 | ||
| Senecio featherstonei | Fieldiana, Bot. 27, n.° 2: 41 (1951) | wfo-0000106426 | ||
| Senecio fedorovianus | Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 16: 435. 1954 | wfo-0000024488 | ||
| Senecio fendleri var. canovirens | Ann. Missouri Bot. Gard. 5: 55 (1918) | wfo-0001377726 | ||
| Senecio fendleri var. lanatus | Bull. Torrey Bot. Club 31: 358 (1904) | wfo-0000069795 | ||
| Senecio fernaldii f. lingulatus | Rhodora 19: 155 (1917) | wfo-0001321105 | ||
| Senecio fernandinus | Phytotaxa 479(2): 201. 2021 | wfo-1000028962 | ||
| Senecio ferreyrae | Notas Mus. La Plata, Bot. 15, Bot. n.° 75: 80, fig. 5 (1950) | wfo-0000136130 | ||
| Senecio ferulifolius | Bot. Mat. Med. iv. 216 (1812) | wfo-0000039169 | ||
| Senecio fibrosus | in Kuntze, Revis. Gen. Pl. 3[3]: 174. 1898 [28 Sep 1898] | wfo-0000068168 | ||
| Senecio ficoides | Flora 28: 499 (1845) | wfo-0000010638 | ||
| Senecio filicifolius | Ann. Missouri Bot. Gard. 1: 274 (1914) | wfo-0000017513 | ||
| Senecio filiferus | J. Bot. (Morot) 10: 416 (1896) | wfo-0000071948 | ||
| Senecio filifolius | Descr. Pl. Cap. : 278 (1767) | wfo-0000021549 | ||
| Senecio filifolius var. jamesii | Fl. N. Amer. 2: 444 (1843) | wfo-0000103287 | ||
| Senecio finlaysonianus | Beitr. Fl. Aethiop. : 159 (1867) | wfo-0000089495 | ||
| Senecio fischerianus | Nomencl. Bot. 2: 560 (1841) | wfo-0000073794 | ||
| Senecio flabellatus | App. Fl. Cors. Prod. 6. | wfo-0000009696 | ||
| Senecio flaccidus | Voyage de d?couverte de l'Astrolabe 2, Sertum Astrolabianum 1834 | wfo-0000118386 | ||
| Senecio flaccidus | Bonplandia 8(8): 134 (1860) | wfo-0000033295 | ||
| Senecio flammeus f. glabrescens | J. Jap. Bot. 10(7): 437. 1934 [25 Jul 1934] | wfo-1200040699 | ||
| Senecio flavovirens var. thomsoniensis | Ann. Missouri Bot. Gard. 3: 169 (1916) | wfo-0001377728 | ||
| Senecio flexuosus | Trav. ed. II. 1(Add): 21. | wfo-0000045512 | ||
| Senecio flexuosus | Syn. Gen. Compos. : 392 (1832) | wfo-0000050811 | ||
| Senecio flexuosus | J. Bombay Nat. Hist. Soc. 67: 61 (1970) | wfo-0000084611 | ||
| Senecio flexuosus | Numer. List : n.° 3110 (1831) | wfo-0000114298 | ||
| Senecio flintii | Bull. Torrey Bot. Club 33: 157 (1906) | wfo-0000099473 | ||
| Senecio floccidus | Voy. Pôle Sud : 50 | wfo-0000040572 | ||
| Senecio floccosus | Bull. Torrey Bot. Club 19(9): 264 (1892) | wfo-0000043929 | ||
| Senecio floccosus | Enum. Pl. Transsilv. : 350 (1866) | wfo-0000077143 | ||
| Senecio flocculatus | – | — | wfo-0000139357 | |
| Senecio floribundus | Bot. Jahrb. Syst. 29(1): 69. 1900 [22 May 1900] | wfo-0000124599 | ||
| Senecio floribundus | Numer. List [Wallich] n. 3111. 1831 | wfo-0000072585 | ||
| Senecio flosculosus | Fl. Lit. Inch. i. 198 (1782) | wfo-0000072925 | ||
| Senecio fluminensis | Nomencl. Bot. 2: 560 (1841) | wfo-0000037168 | ||
| Senecio fodinarum | Leafl. Bot. Observ. Crit. 2: 228 (1912) | wfo-0000125087 | ||
| Senecio foetens | Beitr. Fl. Aethiop. : 159 (1867) | wfo-0000116390 | ||
| Senecio foliolosus | Anales Univ. Chile 114: 164 (1904) | wfo-0000035862 | ||
| Senecio foliosus | Flora of the Rocky Mountains 991-992 1917 | — | wfo-0000089610 | |
| Senecio foliosus | Catal. Pl. Cataluna 87. | wfo-0000045932 | ||
| Senecio foliosus | – | wfo-0001349415 | ||
| Senecio foliosus | 1837 | — | wfo-0000095242 | |
| Senecio fontainesii | Fl. Madeira i. 450 (1868), in obs. | wfo-0000038039 | ||
| Senecio fontanicola | Phyton (Horn) 34(2): 261 (1994) | wfo-0000044637 | ||
| Senecio fontanus | Linnaea 14: 353 (1840) | wfo-0000037137 | ||
| Senecio forbesii | Fl. Trop. Afr. 3: 420 (1877) | wfo-0000119750 | ||
| Senecio formosus f. obtusatus | Anales Univ. Madrid, Ci. 4(2): 240 (1935) | wfo-0001321636 | ||
| Senecio formosus var. angustifolius | Chlor. Andina 1: 125 (1856) | wfo-0001377729 | ||
| Senecio formosus var. latifolius | Chlor. Andina 1: 125 (1856) | wfo-0001377730 | ||
| Senecio formosus var. subruncinatus | Chlor. Andina 1: 125 (1856) | wfo-0001377731 | ||
| Senecio forskahlii | Hist. Pl. 8: 308 (1882) | wfo-0000086151 | ||
| Senecio fortunatus | Fieldiana, Bot. 27: 47 (1951) | wfo-0000059653 | ||
| Senecio fosbergii | Feddes Repert. Spec. Nov. Regni Veg. 55: 138 (1953) | wfo-0000094783 | ||
| Senecio fradini | Nouv. Mat. Fl. Atl. : 61 (1874) | wfo-0000020675 | ||
| Senecio fragrans | Sem. Hort. Bot. Hamburg. 1823: 14 (1824);. | wfo-0000050345 | ||
| Senecio fragrans | Syst. Veg. 3: 518 (1826) | wfo-0000004561 | ||
| Senecio fragrans | Fl. N. Amer. 2: 444 (1843) | wfo-0000015257 | ||
| Senecio francoisii | Notul. Syst. (Paris) 8: 17 (1939) | wfo-0000076698 | ||
| Senecio fraternus | Contr. U.S. Natl. Herb. 11: 598 (1906) | wfo-0000137306 | ||
| Senecio fremontii var. inexpectatus | Intermount. Fl. [Cronquist et al.] 5: 172. 1994 279 | wfo-0001412192 | ||
| Senecio fresenii | – | — | wfo-0000054282 | |
| Senecio frigidophila | Fieldiana, Bot. 27: 23 (1951) | wfo-0001130752 | ||
| Senecio frigidophilus | Fieldiana, Bot. 27: 23 (1951) | wfo-0000118217 | ||
| Senecio frigidus | Beitr. Pflanzenk. Russ. Reiches 7: 28. , (an S. frigidus Less.?) | wfo-0000066955 | ||
| Senecio frigidus | Nomencl. Bot. 2: 561 (1841) | wfo-0000014402 | ||
| Senecio frigidus var. typicus | – | wfo-0001391378 | ||
| Senecio frigidus var. ulmeri | Beih. Bot. Centralbl. 58 Abt. B: 104, Abb. 2, fig. (1938) | wfo-0001377732 | ||
| Senecio frondosus | Fl. Germ. Excurs. : 245 | wfo-0000067828 | ||
| Senecio fruticosus | Fl. Flumin. 8: t. 109 (1831) | wfo-0000124562 | ||
| Senecio fruticulosus | Fl. Graec. Prod. ii. 178. | — | wfo-0000093937 | |
| Senecio fruticulosus | Fl. Graec. Prodr. 2(1): 178 (1813) | wfo-0000137218 | ||
| Senecio fueginus var. simplicior | Anales Univ. Chile 114: 178 (1904) | wfo-0001377733 | ||
| Senecio fuertesii | Symb. Antill. 7(4): 558 (1913) | wfo-0000014068 | ||
| Senecio fulvus | Fl. URSS 26: 770. 1961 | wfo-0000033818 | ||
| Senecio funckii | Chlor. Andina 1: 125. 1856 [1855 publ. 30 Jun 1856] | wfo-0000041450 | ||
| Senecio furfuraceus | Fl. Orient. 3: 400 (1875) | wfo-0000067333 | ||
| Senecio fuscatus | Allgemeine Botanische Zeitschrift fur Systematik, Floristik, Pflanzengeographie etc. 23: 4 1917 | — | wfo-0000043186 | |
| Senecio fussii | Bot. Zeitung (Berlin) 13: 310 (1855) | wfo-0000084172 | ||
| Senecio fussii | Annal. Naturh. Hofmus. Wien 2: 163. 1887 | wfo-0000073567 | ||
| Senecio futakii | Flora (Germany) 191(3): 289 (1996) (1996) | wfo-0000004257 | ||
| Senecio gabonicus | Exploration Botanique de l'Afrique Occidentale Francaise ... 375 1920 | — | wfo-0000018684 | |
| Senecio galeottii | Biol. Cent.-Amer., Bot. 2: 239 (1881) | wfo-0000128918 | ||
| Senecio galicianus var. manantlanensis | Brittonia 43(2): 109. 1991 | wfo-0000097791 | ||
| Senecio gallicus subsp. gallicus | – | – | — | wfo-1200068571 |
| Senecio gamolepis | Notas Mus. La Plata, Bot. 18(89): 222 (1955) | wfo-0000033379 | ||
| Senecio gamolepoides | J. Bot. 1: 236 (1863) | wfo-0000118203 | ||
| Senecio garcibarrigae var. cataractarum | Fieldiana, Bot. 27, n.° 2: 21 (1951) | wfo-0001377734 | ||
| Senecio garnieri | Bot. Jahrb. Syst. 12(1-2, Beibl. 27): 26. 1890; | wfo-0000028946 | ||
| Senecio gaspensis f. verecundus | Rhodora 45: 505 (1943) | wfo-0001321106 | ||
| Senecio gaspensis var. firmifolius | Rhodora 45: 505 (1943) | wfo-0000009444 | ||
| Senecio gaspensis var. victorinii | Canad. J. Res. 28, sec. C: 242. 1952 | wfo-0001377735 | ||
| Senecio gaudichaudianus | Voy. Astrolabe 2: 98. 1834 | wfo-0000029522 | ||
| Senecio gawlerensis | Journal of the Adelaide Botanic Gardens 7 1985 | wfo-0000075940 | ||
| Senecio gazensis | J. Linn. Soc., Bot. xl. 121 (1911) | wfo-0000095116 | ||
| Senecio geniculipes | Collect. Bot. (Barcelona) 3: 270 (1953) | wfo-0000131063 | ||
| Senecio geniorum | Mém. Inst. Sci. Madagascar, Sér. B, Biol. Vég. 6: 193 (1955) | wfo-0000016606 | ||
| Senecio genisianus | Collect. Bot. (Barcelona) 3: 293 (1953) | wfo-0000060343 | ||
| Senecio georgianus | Ann. Missouri Bot. Gard. 25: 803 (1938) | wfo-0000066634 | ||
| Senecio georgianus var. latifolius | Flora of South Australia 4 1929 | wfo-0000099163 | ||
| Senecio gerardi var. corbariensis | Mem. Acad. Sci. Toulouse ser.7, 7: 473. 1875 | wfo-0001384119 | ||
| Senecio germainii | Linnaea 29: 1 (1858) | wfo-0000024745 | ||
| Senecio germanicoglabratus | Fl. Indicativa : 270 (2010) | wfo-0001331961 | ||
| Senecio germanicus var. karaulensis | Variabilität u. Sippenabgrenz. Senecio nemorensis-Gruppe europ. Teil. (Diss. Bot. 107) 115 (1987):. | wfo-0001389540 | ||
| Senecio gesnerifolius | Phytologia 62: 75, fig. (1987) | wfo-0000035920 | ||
| Senecio gilgianus | Bot. Jahrb. Syst. 43(1-2): 62 (1909) | wfo-0000037810 | ||
| Senecio gilliesii var. dasycarpus | Fl. Patagonica 7: 183. 1971 | wfo-0001416167 | ||
| Senecio glabellus f. robustior | Ann. Missouri Bot. Gard. 2: 608 (1915) | wfo-0001321107 | ||
| Senecio glaber | Escritos Damaso Antonio Larranaga 2: 255. 1923 ; [Pub. Inst. Hist. Geog. Urug.]; cf.Gray Herb. Card Cat., Issue 117, nomen. | wfo-0000004791 | ||
| Senecio glaber | Man. Herb. 240. | wfo-0000113924 | ||
| Senecio glaberrimus | Enum. Pl. Transsilv. 351. 1866 [Apr-Jun 1866] | wfo-0000044219 | ||
| Senecio glacialis var. adenophylloides | Bot. Jahrb. Syst. 49(2): 230 (1913) | wfo-0000104075 | ||
| Senecio glandulosus | Prodr. [A. P. de Candolle] 6: 295. 1838 [1837 publ. early Jan 1838] | wfo-0000023494 | ||
| Senecio glaucescens | Syst. Veg., ed. 16 [Sprengel] 3: 561. 1826 [Jan-Mar 1826] | wfo-0000087428 | ||
| Senecio glaucus subsp. cyprius | Ann. Mus. Goulandris 6: 89 (1983) (1983) | wfo-0001365252 | ||
| Senecio glaziovii | Fl. Bras. 6(3): 305 (1884) | wfo-0000127847 | ||
| Senecio globiger var. globiger | – | – | — | wfo-0000108554 |
| Senecio glochiatus | – | — | wfo-0000114779 | |
| Senecio glomeratus subsp. glomeratus | – | – | — | wfo-0000098695 |
| Senecio glutinosus | Prodr. 6: 381 (1838) | wfo-0000018327 | ||
| Senecio glutinosus | Catal. Bot. 2: 109. 1800 | wfo-0000046360 | ||
| Senecio glutinosus | Enum. Pl. Transsilv. : 347 (1866) | wfo-0000029112 | ||
| Senecio gmelinii | Fl. Ross. 2(2,6): 645 (1845) | wfo-0000136186 | ||
| Senecio gnaphalodes | Reise Kreta 1: 352 (1823) | wfo-0001130750 | ||
| Senecio goeringii | Syst. Verz. 126, nomen. | wfo-0000015283 | ||
| Senecio goetzei | Bot. Jahrb. Syst. 28(4): 507 (1900) | wfo-0001130771 | ||
| Senecio goldmanii | Leafl. Bot. Observ. Crit. 2: 156 (1911) | wfo-0000001718 | ||
| Senecio gonocaulos | Prodr. 6: 425 (1838) | wfo-0000030003 | ||
| Senecio gonocladus | Flora 28: 499 (1845) | wfo-0000044659 | ||
| Senecio gothicus | Deutsche Bot. Monatsschr. 1(4): 58 (1883) | wfo-0000053024 | ||
| Senecio gracilipes | Proc. Amer. Acad. Arts v. (1861) 142. | wfo-0000065800 | ||
| Senecio gracilipes | Amer. J. Sci. ser. 3, 50: 156. 1895 | wfo-0000117083 | ||
| Senecio graminicola | J. S. African Bot. 9: 120 (1943) | wfo-0000042114 | ||
| Senecio granatensis | Voy. Bot. Espagne 2: 334 (1840) | wfo-0000031522 | ||
| Senecio grandissimus | Enum. Pl. Transsilv. : 354 (1866) | wfo-0000126745 | ||
| Senecio grayanus | Biol. Cent.-Amer., Bot. 2: 241 (1881) | wfo-0000024370 | ||
| Senecio grayi | Proc. Acad. Nat. Sci. Philadelphia 1863: 67 (1864) | wfo-0000135463 | ||
| Senecio greenmanianus var. subdevestita | Bot. Jahrb. Syst. 28(5): 643 (1901) | wfo-0001377737 | ||
| Senecio grindeliifolius | Prodr. 6: 416 (1838) | wfo-0000119379 | ||
| Senecio grossidens | – | — | wfo-0000126222 | |
| Senecio gruenerii | Notas Prelim. Mus. La Plata 3: 116, fig. 3. 1934 | wfo-0000062060 | ||
| Senecio guerrerensis | Phytologia 69: 138 (-140), fig. 1 (1990) | wfo-0000026275 | ||
| Senecio guineensis | Flora 28: 499 (1845) | wfo-0000026759 | ||
| Senecio gummifer | J. Bot. (Hooker) 3: 331 (1841) | wfo-0000129459 | ||
| Senecio gundelius | Linnaea 24: 364 (1851) | wfo-0000082036 | ||
| Senecio gynoxoides | Fl. Bras. (Martius) 6(3): 306. 1884 [1 May 1884] | wfo-0000124020 | ||
| Senecio gynoxoides | Chlor. Andina 1: 78 (1856) | wfo-0000085762 | ||
| Senecio gynura | Trudy Imp. S.-Peterburgsk. Bot. Sada xiv. (1895) 157. | wfo-0000079550 | ||
| Senecio haccidus | – | — | wfo-0000016214 | |
| Senecio haematophyllus | Enum. Pl. 2: 875 (1809) | wfo-0000006790 | ||
| Senecio haitiensis | Symb. Antill. 1(3): 469 (1899) | wfo-0000047374 | ||
| Senecio hajastanicus | Izv. Akad. Nauk Az. SSR, Biol. Nauk 1957(1): 86. | wfo-0000067817 | ||
| Senecio hakeaefolium | – | — | wfo-0001129206 | |
| Senecio hakeifolius var. adenophyllus | J. Bot. (Hooker) 3: 336 (1841) | wfo-0001377742 | ||
| Senecio hakeifolius var. hakeifolius | – | Prodr. 6: 416 (1838) | wfo-0000110791 | |
| Senecio hakeifolius var. viscidus | J. Bot. (Hooker) 3: 336 (1841) | wfo-0001377744 | ||
| Senecio hamamelidifolius | Nov. Gen. Sp. 4(16): 140 (ed. fol.) (1818) | wfo-0000080725 | ||
| Senecio hamiltonianus | Beitr. Fl. Aethiop. : 159 (1867) | wfo-0000042532 | ||
| Senecio hanburianus | Gard. Chron. 1898, I. 354. | wfo-0000046169 | ||
| Senecio harazianus | Voyage Yemen : 154 (1889) | wfo-0000089303 | ||
| Senecio hastatus | Fl. Brit. India [J. D. Hooker] 3(8): 353, in nota. 1881 [Mar 1881] | wfo-0000027779 | ||
| Senecio hastatus | Sp. Pl., ed. 4 [Willdenow] 3(3): 1987. 1803 [Apr-Dec 1803] | wfo-0000044742 | ||
| Senecio hatcherianus | Reports of the Princeton University Expeditions to Patagonia, 1896-1899, Volume viii, 1 [2], Botany 8(2): 847 1906 | — | wfo-0000007905 | |
| Senecio haticoensis | Fieldiana, Bot. 27: 29 (-30) (1951) | wfo-0000135240 | ||
| Senecio haworthii | Nomencl. Bot. 2: 561 (1841) | wfo-0000047748 | ||
| Senecio hebdingii | Succ. Compositae 105 (1994):. | wfo-0000068001 | ||
| Senecio hebdingii | 1998 | — | wfo-0000061013 | |
| Senecio hebespermus | Prodr. 7(1): 301 (1838) | wfo-0000082857 | ||
| Senecio hebetatus | Chlor. Andina 1: 114 (1856) | wfo-0000072534 | ||
| Senecio hectori | Trans. & Proc. New Zealand Inst. v. (1873) 348. | wfo-0000004898 | ||
| Senecio hederaefolius | Leopoldina 24: 124 1888 | — | wfo-0000020942 | |
| Senecio hederifolius | – | wfo-0000132663 | ||
| Senecio hederifolius | Biol. Cent.-Amer., Bot. 2: 241 (1881) | wfo-0000038754 | ||
| Senecio helenae | Bot. Jahrb. Syst. 49(3-4): 510 (1913) | wfo-0000117221 | ||
| Senecio helenitis subsp. pyrenaicus | Claves Ilustr. Fl. País Vasco y Territor. Limítr. 767 (1999) (1999) | wfo-0001359421 | ||
| Senecio helenitis var. capcirensis | Collect. Bot. (Barcelona) 17(1): 91 (1988) | wfo-0001389258 | ||
| Senecio helenitis var. ligulatus | Collect. Bot. (Barcelona) 17(1): 91 (1988) | wfo-0001389585 | ||
| Senecio hellerii | Abh. Naturf. Ges. Halle 15: 333 (1881) | wfo-0000044051 | ||
| Senecio helwingii | Ill. Fl. Mitt.-Eur. 6(2): 795 (1928) | wfo-0000091349 | ||
| Senecio hemsleyi | J. Bot. 36: 260 (1898) | wfo-0000000717 | ||
| Senecio herbichia | Nomencl. Bot. 2: 561 (1841) | wfo-0000117594 | ||
| Senecio herborgii | Kew Bull. 47(1): 95 (1992) | wfo-0000060024 | ||
| Senecio herborgii | Atti Soc. Ital. Sci. Nat. Mus. Civico Storia Nat. Milano 146(2): 235 (2005) | wfo-0000032076 | ||
| Senecio hercynicus subsp. durmitorensis | Variabilität u. Sippenabgrenz. Senecio nemorensis-Gruppe europ. Teil. (Diss. Bot. 107) 177 (1987). | wfo-0001365707 | ||
| Senecio hercynicus var. expansus | Variabilität u. Sippenabgrenz. Senecio nemorensis-Gruppe europ. Teil. (Diss. Bot. 107) 174 (1987):. | wfo-0001389541 | ||
| Senecio heritieri | Gard. & Forest iv. (1891) 510, fig. 79 | wfo-0000093383 | ||
| Senecio heritieri var. cyanophthalmus | – | – | wfo-0001415709 | |
| Senecio hervaloira | Consp. Fl. Eur. 2: 354 (1879) | wfo-0000015092 | ||
| Senecio hesperidum | Bull. Soc. Hist. Nat. Afrique N. 22: 297. 1931 | — | wfo-0000037545 | |
| Senecio heterodontus | Publ. Field Columb. Mus., Bot. Ser. 2: 277 (1907) | wfo-0000008083 | ||
| Senecio heteroloba | – | — | wfo-0000014221 | |
| Senecio heterophyllus | Prodr. Pl. Cap. 2: 157 (1800) | wfo-0000117555 | ||
| Senecio heyneanus | Beitr. Fl. Aethiop. : 159 (1867) | wfo-0000068379 | ||
| Senecio hiberniflorus | Bot. Mag. (Tokyo) 24: 34 (1910) | wfo-0000095493 | ||
| Senecio hieracifolia | – | — | wfo-0000077846 | |
| Senecio hieracifolius | Flora Boreali-Americana 2: 119 1803 | — | wfo-0000062549 | |
| Senecio hieraciifolius var. carduifolius | Anales Soc. Esp. Hist. Nat. 19: 277 (1890) | wfo-0001377746 | ||
| Senecio hildebrandtii | J. Linn. Soc., Bot. 22: 488 (1887) | wfo-0000064110 | ||
| Senecio himalensis | Bot. Ergebn. Reise Waldemar : 78 (1862) | wfo-0000049595 | ||
| Senecio hintermannii | Bull. Soc. Hist. Nat. Afrique N. 30: 350 (1940). (1939 publ. 1940) | wfo-0000075592 | ||
| Senecio hirsutus | Man. Herb. 240. | wfo-0000026979 | ||
| Senecio hirto-crassus | Compos. Madagascar 142, 304 (1923) | wfo-0000085683 | ||
| Senecio hispidissimus | Muelleria 19: 138 (-140; fig. 16) (2004) | wfo-0000070563 | ||
| Senecio hispidulus var. scaberulus | – | – | — | wfo-0000107303 |
| Senecio hochstetteri | Flora 24(1, Intelligenzbl.): 27, no | wfo-0000035806 | ||
| Senecio hodgsoni | Gardener's chronicle, ser. 3 32: 218 1902 | — | wfo-0000061629 | |
| Senecio hoepfnerianus | Bull. Herb. Boissier iv. 841. | wfo-0000043360 | ||
| Senecio hollermayeri | Notas Prelim. Mus. La Plata 3: 119. 1934 | wfo-0000039099 | ||
| Senecio homogynefolius | Fl. Orient. 3: 400 (1875) | wfo-0000089074 | ||
| Senecio homogynoides | Ann. K. K. Naturhist. Hofmus. 9: 364 (1894) | wfo-0000005214 | ||
| Senecio homoplasticus | J. Linn. Soc., Bot. xl. 120 (1911) | wfo-0000018058 | ||
| Senecio hooglandii | Kew Bull. 47(2) 1992 | wfo-0000025122 | ||
| Senecio hookeri | Voy. Pôle Sud : 50 | wfo-0000060588 | ||
| Senecio hookeri | – | wfo-0000124560 | ||
| Senecio hoppeanus | Alpenfl. 231 (1899) (1899) | wfo-0000013539 | ||
| Senecio hortensiae | Phytotaxa 142(1): 46 (2013) | wfo-0001337444 | ||
| Senecio hotteanus | Ark. Bot. 23A(11): 93 (1931) | wfo-0000122031 | ||
| Senecio howellii var. lithophilus | Bot. Gaz. 48: 148 (1909) | wfo-0001377747 | ||
| Senecio huaguilicus | Bol. Soc. Argent. Bot. 16(4): 381. 1975 | wfo-0000018385 | ||
| Senecio huanuconus var. ilicifolius | Fieldiana, Bot. 27, n.° 2: 46 (1951) | wfo-0001377748 | ||
| Senecio huasensis | Brittonia 8: 187 (1956) | wfo-0000115419 | ||
| Senecio huayacocotlana | – | — | wfo-0000126401 | |
| Senecio huaynaputinaensis | Bol. Soc. Argent. Bot. 56(1): 34. 2021 | wfo-1000028963 | ||
| Senecio hubertia | Syn. Pl. 2(2): 436 (1807) | wfo-0000015664 | ||
| Senecio humbertii | Handb. Sukkulent. Pfl. 2: 1027. 1954 | wfo-0000058849 | ||
| Senecio humboldtianus var. rosmarinifolius | Chlor. Andina 1: 96 (1856) | wfo-0001377749 | ||
| Senecio humilis | Consp. Fl. Eur. 2: 357 (1879) | wfo-0000024439 | ||
| Senecio humilis | – | — | wfo-0000070400 | |
| Senecio humillimus | Bonplandia 4(4): 52. 1856 [Jan 1856] | wfo-0000024013 | ||
| Senecio humillimus var. fruticulosus | Chlor. Andina 1: 104 (1856) | wfo-0000107806 | ||
| Senecio humillimus var. humillimus | – | – | — | wfo-0000057752 |
| Senecio humillimus var. melanolepis | Chlor. Andina 1: 104 (1856) | wfo-0000100313 | ||
| Senecio hunanensis | Contr. Inst. Bot. Natl. Acad. Peiping 5: 15 (1937) | wfo-0000021627 | ||
| Senecio hyadesii | Miss. Sci. Cap Horn, Bot. 5: 348, pl. 2 (1889) | wfo-0000125621 | ||
| Senecio hydrophilus | Consp. Fl. Eur. 2: 356. 1879 [Oct 1879] | wfo-0000051560 | ||
| Senecio hyemalis | J. Linn. Soc., Bot. 16: 514 (1878) | wfo-0000137883 | ||
| Senecio hyoseridifolius | Chlor. Andina 1: 108 (1856) | wfo-0000065387 | ||
| Senecio hyoseridis | Phytotaxa 340(1): 17. 2018 | wfo-1000007563 | ||
| Senecio hyperborealis subsp. wrangelica | Arktich. Fl. SSSR 10: 216 (1987) | wfo-0001365722 | ||
| Senecio hyperborealis var. columbiensis | – | wfo-0001391683 | ||
| Senecio hypochionaeus var. argaeus | Notes Roy. Bot. Gard. Edinburgh 33(3): 434 (1975) | wfo-0001386807 | ||
| Senecio hypsiandinus | Brittonia 12: 189 (1960) | wfo-0000009589 | ||
| Senecio hypsobates var. parvulus | Fieldiana, Bot. 27: 39 (1950) | wfo-0001377750 | ||
| Senecio iberensis | Deutsche Bot. Monatsschr. 1(4): 59 (1883) | wfo-0000062666 | ||
| Senecio icoglossus var. montanus | Arq. Mus. Nac. Rio de Janeiro 13: 19 (1903) | wfo-0001377751 | ||
| Senecio icoglossus var. spledens | – | — | wfo-1200068407 | |
| Senecio icoglossus var. splendens | Brittonia 7: 59 (1950) | wfo-0001377752 | ||
| Senecio ilicetorum | Erythea 2: 85 (1894) | wfo-0000113616 | ||
| Senecio ilicifolius | Syn. Gen. Compos. : 392 (1832) | wfo-0000063410 | ||
| Senecio ilicifolius | Descr. Pl. Cap. : 281 (1767) | wfo-0000090463 | ||
| Senecio ilicifolius | Prodr. Pl. Cap. 2: 158 (1800) | wfo-0000036975 | ||
| Senecio iloensis | Bot. Jahrb. Syst. 29(1): 71 (1900) | wfo-0000025310 | ||
| Senecio ilsae | Willdenowia 39(2): 330 (2010) | wfo-0001331647 | ||
| Senecio imbricatifolius | Chlor. Andina 1: 96 (1856) | wfo-0000023119 | ||
| Senecio immunis | Erst. Beitr. Fl. Hercyn. : 278 (1840) | wfo-0000066283 | ||
| Senecio imoleus | Bull. Congr. Bot. St. Petersb. 1869: 128. 1870 , sphalm. | wfo-0000025965 | ||
| Senecio implicatus | Deutsche Bot. Monatsschr. 1(4): 57 (-58) (1883) | wfo-0000009556 | ||
| Senecio inaequilobus | Fl. Orient. 3: 410 (1875) | wfo-0000137323 | ||
| Senecio incanus | in Neue Nord. Beytr. Phys. Geogr. Erd-Völkerbeschreib. 6: 262. 1793 | wfo-0000114810 | ||
| Senecio incanus | Hist. Pl. Pyrénées : 515 (1813) | wfo-0000071869 | ||
| Senecio incanus | Fl. Carniol., ed. 2. 2: 166. 1772 | wfo-0000073299 | ||
| Senecio incarnatus | Prodr. 6: 344 (1838) | wfo-0000095011 | ||
| Senecio incisifolia | Handb. Sukkulent. Pfl. 2: 1029. 1954 | wfo-0000091611 | ||
| Senecio incisus | Fl. Sicul. 2(1): 61 (1903) | wfo-0000022927 | ||
| Senecio incomptus | Fl. Nov.-Zel. 1: 143 (1852) | wfo-0000008769 | ||
| Senecio indicus | Nutt. Pl. Ned.-Ind. 4: 250 (1917) | wfo-0000029678 | ||
| Senecio inexpectatus | Phytoneuron 2019-35: 3. 2019 | wfo-1000034568 | ||
| Senecio infestus | Prodr. Stirp. Chap. Allerton : 197 (1796) | wfo-0000000087 | ||
| Senecio infiernillensis | Brittonia 8: 187 (1956) | wfo-0000130346 | ||
| Senecio inghamii | Phytotaxa 347(3): 217. 2018 | wfo-1000007564 | ||
| Senecio inops subsp. karamanicus | Turkish J. Bot. 33(4): 286 (285-289; fig. 1, (2009) | wfo-0001361658 | ||
| Senecio insignis | Biol. Cent.-Amer., Bot. 2: 242 (1881) | wfo-0000135518 | ||
| Senecio insizwaensis | Ann. Naturhist. Hofmus. xxiv. 319 (1910). | wfo-0000004399 | ||
| Senecio insubricus | Phytotaxa 213(1): 8 (2015) | wfo-0001342767 | ||
| Senecio insularis | Bot. Jahrb. Syst. 43(1-2): 66 (1909) | wfo-0000119684 | ||
| Senecio intactus | Methodus : 568 (1794) | wfo-0000021956 | ||
| Senecio integerrimus | Amer. J. Sci. Arts , ser. 2, 33: 238 (1862) | wfo-0000116587 | ||
| Senecio integerrimus var. lugens | Phytologia 23(1): 103. 1972 | wfo-0000101586 | ||
| Senecio integrifolius | Gen. N. Amer. Pl. 2: 165 (1818) | wfo-0000012988 | ||
| Senecio integrifolius | Enum. Fl. Transsilv. 326. 1887 [1886 publ. Jul-Aug 1887] | wfo-0000060189 | ||
| Senecio integrifolius | Man. Herbor. Suisse : 241 (1811) | wfo-0000092390 | ||
| Senecio integrifolius f. primulifolius | Repert. Spec. Nov. Regni Veg. Beih. 70: 23 (1933) | wfo-0000125565 | ||
| Senecio integrifolius subsp. czernjaevii | Bot. J. Linn. Soc. 68(4): 276 (1974) | wfo-0000110666 | ||
| Senecio intermedius | Oesterr. Bot. Z. 24: 109 (1874) | wfo-0000042223 | ||
| Senecio intrepidus | Ann. Missouri Bot. Gard. iv. 34 (1917), in syn. | wfo-0000042676 | ||
| Senecio involutus | Ann. Naturhist. Hofmus. 9: 365 (1894) | wfo-0000059946 | ||
| Senecio iodanthus | Ann. Missouri Bot. Gard. 1: 272 (1914) | wfo-0000018251 | ||
| Senecio irkutensis | Fl. Centr. Sibir. 2: 745. 1959 , sine descr. Lat. | wfo-0000025280 | ||
| Senecio itatiaiae | Arq. Mus. Nac. Rio de Janeiro 13: 20 (1903) | wfo-0000079740 | ||
| Senecio jacksonii subsp. sympodialis | Symb. Bot. Upsal. 15: 241 (1957) | wfo-0000111054 | ||
| Senecio jacobaea | Prodr. Fl. Hispan. 2(1): 120. 1865 [Dec 1865] | wfo-0000073022 | ||
| Senecio jacobaea | Prodr. Fl. Nepal. : 179 (1825) | wfo-0000014616 | ||
| Senecio jacobaea | Flora 29: 676 (1846) | wfo-0000018446 | ||
| Senecio jacobaea | Ser. Inconf. Pl. Aragon. 52. 1863 | wfo-0000036215 | ||
| Senecio jacobaea var. aurinitens | Enum. Pl. Transsilv. : 350 (1866) | wfo-0001381090 | ||
| Senecio jacobaea var. discoideus | Fl. Siles. 2(2): 153 1829 | wfo-1200073354 | ||
| Senecio jacobaea var. floccose-canescens | Enum. Pl. Transsilv. : 350 (1866) | wfo-0001381092 | ||
| Senecio jacobaea var. gotlandicus | Sver. Fl. : 26 (1901) | wfo-0001380669 | ||
| Senecio jacobaea var. pratensis | Enum. Pl. Transsilv. : 350 (1866) | wfo-0001381091 | ||
| Senecio jacobaea var. subumbellatus | Enum. Pl. Transsilv. : 350 (1866) | wfo-0001381089 | ||
| Senecio jacobaeiformis | Allg. Bot. Z. Syst. 14: 9. 1908 | wfo-0000060891 | ||
| Senecio jacottetianus | Vierteljahrsschr. Naturf. Ges. Zürich 1926, lxxi. 150. | wfo-0000094111 | ||
| Senecio jacsonii | Cat. Pl. Yun-Nan : 51 (1916) | wfo-0000125170 | ||
| Senecio jagensis | Nomencl. Bot. 2: 561 (1841) | wfo-0000072884 | ||
| Senecio jahnii | Fieldiana, Bot. 27(2): 32 (1951) | wfo-0000091736 | ||
| Senecio jamesonii | Leopoldina 24: 127 (1888) | wfo-0000081481 | ||
| Senecio joharchii | Feddes Repert. 121(1-2): 27 (-31; fig. 1, ma (2010) | wfo-0001331678 | ||
| Senecio johnstonii subsp. cottonii | Kew Bull. 28(1): 87. 1973 [29 May 1973] | wfo-0000108295 | ||
| Senecio johnstonii var. alticola | Kew Bull. 41(4): 890 (1986) | wfo-0000076347 | ||
| Senecio johnstonii var. cottonii | Kew Bull. 41(4): 889 (1986) | wfo-0000073037 | ||
| Senecio junceus | Syst. Nat., ed. 13[bis]. 2(2): 1624. 1792 [1791 publ. late Apr-Oct 1792] , a sphalm. | wfo-0000032757 | ||
| Senecio jungioides | Darwiniana 10: 558, fig. 5 (1954) | wfo-0000129333 | ||
| Senecio junodianus | Mem. Herb. Boiss. 10: 74. | wfo-0000073864 | ||
| Senecio jussieui | Bot. Jahrb. Syst. 19(1): 69. 1894 [13 Apr 1894] | wfo-0000018178 | ||
| Senecio kahuzicus | Bull. Soc. Bot. France 81: 842 (1935) | wfo-0000120026 | ||
| Senecio kalambatitrensis | Notul. Syst. (Paris) 8: 21 (1939) | wfo-0000121799 | ||
| Senecio kalmii | Bot. Beechey Voy. 126. 1832 [Oct-Nov 1832] | wfo-0000130971 | ||
| Senecio kalmii | Linnaea 6: 244 (1831) | wfo-0000005147 | ||
| Senecio kalmii | Gen. N. Amer. Pl. 2: 165 (1818) | wfo-0000117512 | ||
| Senecio kamerunensis | Bot. Jahrb. Syst. 59(4, Beibl. 133): 30 (1924) | wfo-0000087174 | ||
| Senecio kamtschaticus | Fl. Ross. 2(2,6): 636 (1845) | wfo-0000000687 | ||
| Senecio karataviensis | Repert. Spec. Nov. Regni Veg. 42: 160 (1937) | wfo-0000117709 | ||
| Senecio karstenii var. lanceolata | Brittonia 8: 192 (1956) | wfo-0001377753 | ||
| Senecio katangensis | Ann. Mus. Congo Belge, Bot. sér. 4, [1(3)]: p. xi. 1903 [1902-1903 publ. Jan 1903] | wfo-0000000912 | ||
| Senecio katangensis var. latifolia | – | — | wfo-1200068432 | |
| Senecio katangensis var. latifolius | Asterac. Fl. Afr. Cent. (Fragm. Flor. Geobot. 36(1) Supp. 1) 2: 300 (1991), as 'latifolia'. | wfo-0001316266 | ||
| Senecio katubensis | J. Bot. 56: 230 (1918) | wfo-0000121655 | ||
| Senecio kenteicus | Opred. Sosud. Rast. Mongolii 255 (1982) (1982) | wfo-0000033027 | ||
| Senecio kepdanicus | 1935 | — | wfo-0001276661 | |
| Senecio kerdousianus | Syst. Bot. 30(4): 899 (-903; figs. 1-2) (2005) | wfo-0000024414 | ||
| Senecio kernensis | Ann. Missouri Bot. Gard. 1: 266 (1914) | wfo-0000043122 | ||
| Senecio kerneri | Consp. Fl. Eur. , Suppl. 2(1): 165 (1889) | wfo-0000021650 | ||
| Senecio kerneri | Atti Ist. Veneto, Sc. Mat. & Nat. 97: 796. 1939 , nomen | wfo-0000026764 | ||
| Senecio khorasanicus | Oesterr. Bot. Z. 97: 236 (1950) | wfo-0000074904 | ||
| Senecio khorossanicus | – | — | wfo-0001264646 | |
| Senecio kickxii | Nomencl. Bot. 2: 562 (1841) | wfo-0000076195 | ||
| Senecio kilimanjari | Repert. Spec. Nov. Regni Veg. 18: 229 (1922) | wfo-0000121105 | ||
| Senecio kingii | Bot. Jahrb. Syst. 32(1): 20, nomen. 1902 [2 May 1902] | wfo-0000033482 | ||
| Senecio kingii f. subdiscoideus | Trab. Inst. Bot. Farmacol. 33: 87. 1915 | wfo-0001403294 | ||
| Senecio kiwuensi | Wiss. Erg. Deut. Zentr.-Afr. Exped., Bot. 2: 390 (1911) | wfo-0000065090 | ||
| Senecio kleinia var. tuberculata | Bull. Soc. Tosc. Ortic. 2018(2): 18, photogrs.. 2018 | wfo-0001381973 | ||
| Senecio kleinioides | – | — | wfo-0000075762 | |
| Senecio klingbergii | Notizbl. Bot. Gart. Berlin-Dahlem 8: 179 (1922) | wfo-0000008210 | ||
| Senecio kochii | Fl. Ross. 2(2,6): 643 (1845) | wfo-0000013446 | ||
| Senecio kolenatianus subsp. pseudoorientalis | Biol. Zhurn. Armenii 24(11): 45. 1971 | wfo-0000085489 | ||
| Senecio krameri | Journal of the College of Science, Imperial Univeristy of Tokyo 18(8): 28 1904 | — | wfo-0000079807 | |
| Senecio krameri | Fl. Reg. Montagn.-Ngan-Hoei in Notes Bot. Chin. 2: 70 1933 | — | wfo-0000058576 | |
| Senecio krauseanus | Bot. Jahrb. Syst. 43(1-2): 69 (1909) | wfo-0000030767 | ||
| Senecio kraussii | Flora 27(2): 698 (1844) | wfo-0000009372 | ||
| Senecio krylovii | in Krylov, Fl. Sibir. Occ., ed. 2 11: 2847. 1949 | wfo-0000060039 | ||
| Senecio kryophilus | Fl. Kavkaza 4: 146, in syn. (1934) | wfo-0000042316 | ||
| Senecio kuekenthalii | Ark. Bot. 23A(11): 92 (1931) | wfo-0000088808 | ||
| Senecio kukulensis | Spraw. Komis. Fizjogr. 21: 125 (1888) | wfo-0000129460 | ||
| Senecio kunlunshanicus | Fl. Xinjiangensis 5: 477 (1999) (1999) | wfo-0000060670 | ||
| Senecio kunthianus | Numer. List [Wallich] n. 3118. 1831 | wfo-0000113224 | ||
| Senecio kuntzeanus | Repert. Spec. Nov. Regni Veg. 23: 232 (1926) | wfo-0000015117 | ||
| Senecio kuntzei | Fl. Rocky Mts. 990. 1917 | wfo-0000019289 | ||
| Senecio kurzii | Fl. Brit. India 3(8): 341 (1881) | wfo-0000095947 | ||
| Senecio lacerus | Diagn. Pl. Orient. 11: 32 (1849) | wfo-0000121301 | ||
| Senecio laciniatus | Prodr. 6: 411 (1838) | wfo-0000014559 | ||
| Senecio laciniatus | Nat. Arr. Brit. Pl. 2: 470 (1821 publ. 1822) | wfo-0000085441 | ||
| Senecio laciniatus | Fl. Brit. India [J. D. Hooker] 3(8): 339, sphalm. 1881 [Mar 1881] | wfo-0000139304 | ||
| Senecio laciniatus | Prodr. Fl. Hispan. 2(1): 120 (1865) | wfo-0000069830 | ||
| Senecio lacinifolius | Nomencl. Bot. 2: 562 (1841) | wfo-0000069031 | ||
| Senecio laciniosus | Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 18(1): 350 (1836) | wfo-0000017589 | ||
| Senecio laciniosus | Numer. List : n.° 3124 (1831) | wfo-0000120641 | ||
| Senecio lactescens | Fl. Lusit. 1: 391 (1804) | wfo-0000006266 | ||
| Senecio lactucifolius | J. Bot. 54: 283 (1916) | wfo-0000039625 | ||
| Senecio lactucinus | Erythea 1: 223 (1893) | wfo-0000008913 | ||
| Senecio lactucoides | Leopoldina 24: 125. 1888 | wfo-0000091608 | ||
| Senecio laderoi subsp. cantabrica | Stud. Bot. 8: 124 (1990) | wfo-0000082759 | ||
| Senecio laetiflorus | Pittonia 3(14): 88 (1896) | wfo-0000088410 | ||
| Senecio laetus var. spectabilis | Fl. Pl. India : 272 (2009) | wfo-0001043879 | ||
| Senecio laevis | Compos. Madagascar 134, 304 (1923) | wfo-0000037199 | ||
| Senecio laggeri | Pfl.-Mischlinge : 201 (1881) | wfo-0001332720 | ||
| Senecio laggeri | Consp. Fl. Eur. 2: 356 (1879) | wfo-0000074501 | ||
| Senecio lallanii | J. Biodivers. Conservation 7(4)-1: 3 2023 | wfo-1000055775 | ||
| Senecio lallansinghii | J. Biodivers. Conservation 8(2): 66 2024 | wfo-1000066026 | ||
| Senecio lamarum | Repert. Spec. Nov. Regni Veg. Beih. 12: 508 (1922) | wfo-0000116469 | ||
| Senecio lambomboensis | Bot. Jahrb. Syst. 43(1-2): 60 (1909) | wfo-0000068266 | ||
| Senecio lamottei | Fl. France 8: 325, hybr. (1903) | wfo-0000026439 | ||
| Senecio lanatifolius | Bull. Torrey Bot. Club 32: 612 (1905) | wfo-0000012688 | ||
| Senecio lanatus | Prodr. 6: 422 (1838) | wfo-0000037603 | ||
| Senecio lanatus | Syst. Nat. ed. 10 2: 1216 (1759) | wfo-0000083046 | ||
| Senecio lanatus | Cat. Auv. 232. | wfo-0000017580 | ||
| Senecio lanceolatus | Fl. Ind. (N. L. Burman) Prodr. Fl. Cap.: 26. 1768 [1 Mar-6 Apr 1768] | wfo-0000051541 | ||
| Senecio lancidentatus | Fieldiana, Bot. 27, n.° 2: 58 (1951) | wfo-0000064719 | ||
| Senecio langebirgensis | Vierteljahrsschr. Naturf. Ges. Zürich 1929, lxxiv. 125. | wfo-0000045825 | ||
| Senecio lanifer | Fl. Bras. 6(3): 312 (1884) | wfo-0000125451 | ||
| Senecio laniger | Prodr. 6: 379 (1838) | wfo-0000040949 | ||
| Senecio lanigerus | Fl. Ind. Prodr. Fl. Cap.: 26 (1768) | wfo-0000011026 | ||
| Senecio lanuginosus | J. Bot. (Hooker) 3: 332 (1841) | wfo-0000003706 | ||
| Senecio lanuginosus f. cordifolius | Fl. Maharashtra 3A: 133 (2001) (2001) | wfo-0001320831 | ||
| Senecio lanuginosus var. aclandii | Fl. Maharashtra 3A: 132 (2001) (2001) | wfo-0001376448 | ||
| Senecio lanuginosus var. lanuginosus | – | – | — | wfo-0000052919 |
| Senecio lapidum | Ann. Missouri Bot. Gard. 4: 18 (1917) | wfo-0000086409 | ||
| Senecio larranagae | Anales Univ. Chile 88: 269 (1894) | wfo-0000070579 | ||
| Senecio latibracteatus | Compos. Madagascar 134, 305 (1923) | wfo-0000011628 | ||
| Senecio latiflorus var. lacunosus | Fieldiana, Bot. 27: 35 (1950) | wfo-0001377754 | ||
| Senecio latifolius | Gard. Chron. (1894) ii. fig. 43 | wfo-0000030083 | ||
| Senecio latiligulatus | Fl. Jowai 1: 268 (1981), nom. nov. (1981) | wfo-0000126416 | ||
| Senecio latilobus | J. Bot. 56: 6 (1918) | wfo-0000114260 | ||
| Senecio latipes | Bot. Jahrb. Syst. 32(1): 21, nomen. 1902 [2 May 1902] | wfo-0000126583 | ||
| Senecio latronum | Fl. Orient. 3: 402 (1875) | wfo-0000031401 | ||
| Senecio launayifolius | in Kuntze, Revis. Gen. Pl. 3[3]: 175. 1898 [28 Sep 1898] | wfo-0000060119 | ||
| Senecio lautus | Fl. Ins. Austr. : 91 (1786) | wfo-0000065598 | ||
| Senecio lautus f. opinnatifolius | Candollea 5 1934 | wfo-0001327157 | ||
| Senecio lautus subsp. alpinus | Australian Journal of Botany 17(1) 1969 | wfo-0001358982 | ||
| Senecio lautus subsp. lanceolatus | Australian Journal of Botany 17 1969 | wfo-0001358986 | ||
| Senecio lautus var. pilosus | Transactions and Proceedings of the Royal Society of South Australia 52 1928 | wfo-0001373029 | ||
| Senecio lautus var. raoulii | Flora novae-zelandiae 1 1853 | wfo-0000110120 | ||
| Senecio lavandulifolius | Contr. Bot. India [Wight] 23. 1834 [Dec 1834] (as 'lavandulaefolius') | wfo-0000022817 | ||
| Senecio lavandulifolius var. wightii | Contr. Bot. India [Wight] 23. 1834 [Dec 1834] | wfo-1200040771 | ||
| Senecio lavendulaefolius | – | — | wfo-0000077652 | |
| Senecio leandrii | Notul. Syst. (Paris) 15: 371 (1959) | wfo-0000115049 | ||
| Senecio lechleri | Anales Univ. Chile (1873) 494. | wfo-0000128328 | ||
| Senecio lechleri | Bonplandia 4: 55, nomen (1856) | wfo-0000116256 | ||
| Senecio ledifolius | Prodr. 6: 421 (1838) | wfo-0000041095 | ||
| Senecio leiocarpus | Anleit. Beob. Alpenpfl. 133 (1882) (1913) | wfo-0000075883 | ||
| Senecio leiophyllus | Bull. Soc. Imp. Naturalistes Moscou 24(I): 209 (1851) | wfo-0000123717 | ||
| Senecio leonis | Bull. Torrey Bot. Club 50(1): 50. 1923 [Jan 1923] | wfo-0000028373 | ||
| Senecio leontodontifolius | Prodr. 6: 376 (1838) | wfo-0000027605 | ||
| Senecio lepidosus | Trans. & Proc. New Zealand Inst. 48: 212 (1916). (1915 publ. 1916) | wfo-0000067570 | ||
| Senecio leptocarpus | Prodr. 6: 372 (1838) | wfo-0000124392 | ||
| Senecio leptophyllus | J. Bot. (Hooker) 3: 345 (1841) | wfo-0000021945 | ||
| Senecio leptopodus | Deutsche Bot. Monatsschr. 1(4): 57 (1883) | wfo-0000016926 | ||
| Senecio lessoni | Cat. Hort. Melb. 1858: 26. | wfo-0000036625 | ||
| Senecio lessonianus | Flora oder Allgemeine Botanische Zeitung 28 1845 | wfo-0000033202 | ||
| Senecio leucadendron | Rep. Sci. Res. Voy. Challenger, Bot. 1: 75. 1885 | wfo-0000063754 | ||
| Senecio leucanthemifolius subsp. apulus | Webbia 29(1): 160, without basionym (1974) | wfo-0001364277 | ||
| Senecio leucanthemifolius subsp. cossyrensis | Gruppi Crit. Fl. Ital. : 44 (2009) | wfo-0001361680 | ||
| Senecio leucanthemifolius subsp. crassifolius | – | — | wfo-1200068178 | |
| Senecio leucanthemifolius subsp. humilis | – | — | wfo-1200068575 | |
| Senecio leucanthemifolius subsp. pectinatus | Gruppi Crit. Fl. Ital. : 44 (2009) | wfo-0001361681 | ||
| Senecio leucanthemifolius subsp. rodriguezii | Collect. Bot. (Barcelona) 17(1): 91 (1988) | wfo-0001366007 | ||
| Senecio leucanthemifolius subsp. transiens | Bull. Soc. Échange Pl. Vasc. Eur. Occid. Bassin Médit. 14: 73 (1972) | wfo-0001364278 | ||
| Senecio leucanthemifolius var. casablancae | Notes Roy. Bot. Gard. Edinburgh 37(3): 405 (1979) | wfo-0000079475 | ||
| Senecio leucanthemifolius var. cossyrensis | Fl. Sicul. 2(1): 65 (1903) | wfo-0001383618 | ||
| Senecio leucanthemifolius var. pectinatus | Fl. Sicul. Syn. 2(1): 472 (1844) | wfo-0001383619 | ||
| Senecio leucanthus | Bot. Jahrb. Syst. 32(1): 21, nomen. (1902) | wfo-0000045145 | ||
| Senecio leuciscus | Anales Univ. Chile (1870) II. 181. | wfo-0000012785 | ||
| Senecio leucolepis | Publ. Field Columb. Mus., Bot. Ser. 2: 324 (1912) | wfo-0000027409 | ||
| Senecio leucomallus var. incisus | – | — | wfo-1200068494 | |
| Senecio leucopappus | Prodr. 6: 331, in syn. (1838) | wfo-0000019178 | ||
| Senecio leucophorbius | Fieldiana, Bot. 27, n.° 2: 39 (1951) | wfo-0000009861 | ||
| Senecio leucostachys var. schreiteri | Bol. Soc. Argent. Bot. 45(3-4): 379 (2010) | wfo-0001383983 | ||
| Senecio levingei | Compos. Ind. : 301 (1876) | wfo-0000002878 | ||
| Senecio leyboldi | Anales Univ. Chile (1873) 493. | wfo-0000091920 | ||
| Senecio lhasaensis | Acta Phytotax. Sin. 19(1): 90. 1981 [18 Feb 1981] | — | wfo-0000083164 | |
| Senecio libanoticus | Fl. Orient. 3: 407 (1875) | wfo-0000060995 | ||
| Senecio libertatis | Phytologia 29: 383 (-385) (1975) | wfo-0000081156 | ||
| Senecio liebmannii | – | wfo-0000080125 | ||
| Senecio liechtensteinensis | Allg. Bot. Z. Syst. xiii. 43 (1907). | wfo-0000034899 | ||
| Senecio ligularia | Notizblatt des Botanischen Gartens und Museums zu Berlin-Dahlem 13: 640 1937 | — | wfo-0000080584 | |
| Senecio ligularia var. araneosa | Catalogue des Plantes de Yun-Nan 52 1916 | — | wfo-0000069690 | |
| Senecio lilacinus | Tent. Suppl. : 24 (1828) | wfo-0000012486 | ||
| Senecio lilacinus | Blumenbachia 39. t. 4. f. 1. | wfo-0000116127 | ||
| Senecio limbardioides var. angustifolius | Fl. Chil. 4: 188 (1849) | wfo-0001377756 | ||
| Senecio limbardioides var. major | J. Bot. (Hooker) 3: 347 (1841) | wfo-0001377757 | ||
| Senecio limprichtii | Repert. Spec. Nov. Regni Veg. Beih. 12: 508 (1922) | wfo-0000123864 | ||
| Senecio limumae | Bot. Mag. (Tokyo) 6: 55 (1892) | wfo-0000017980 | ||
| Senecio linariifolius var. longifolius | Anales Univ. Chile 85: [245] (1894) | wfo-0001377760 | ||
| Senecio linariifolius var. subtomentosus | Fl. Patagonica 7: 271. 1971 | wfo-0001416168 | ||
| Senecio linariifolius var. tenuifolius | Prodr. 6: 414 (1838) | wfo-0000059176 | ||
| Senecio lindenii | Abhandlungen der Naturforschenden Gesellschaft zu Halle 15: 332 1881 [1882] | — | wfo-0000083297 | |
| Senecio lindheimeri | Bot. Jahrb. Syst. 32(1): 20, nomen. (1902) | wfo-0000031904 | ||
| Senecio linearifolius | Mem. Reale Accad. Sci. Torino xxxviii. (1835) 31. t. 29 | wfo-0000005379 | ||
| Senecio linearifolius var. arachnoideus | Muelleria 20: 98 (102; figs. 18-19) (2004) | wfo-0001380563 | ||
| Senecio linearifolius var. denticulatus | Muelleria 20: 93 (fig. 15) (2004) | wfo-0001380560 | ||
| Senecio linearifolius var. latifolius | Muelleria 20: 96 (fig. 16) (2004) | wfo-0001380561 | ||
| Senecio linearifolius var. linearifolius | – | – | wfo-0000085765 | |
| Senecio linearifolius var. macrodontus | Muelleria 20: 102 (2004) | wfo-0001380564 | ||
| Senecio linearilobus | J. Bot. (Hooker) 3: 346. 1841 | wfo-0000019738 | ||
| Senecio linearis | Prodr. 6: 375 (1838) | wfo-0000129201 | ||
| Senecio lingua | Encycl. , Suppl. 5: 130 (1817) | wfo-0000022653 | ||
| Senecio lingulatus | Journal de Botanique (Morot) 10: 423 1896 | — | wfo-0000104602 | |
| Senecio linifolius | Prodr. 6: 400, in syn. (1838) | wfo-0000125730 | ||
| Senecio linifolius | Fl. Aegypt.-Arab. : 150 (1775) | wfo-0000035696 | ||
| Senecio linifolius | Fl. Cap. 678, excl. syn. (1823) | wfo-0000089653 | ||
| Senecio linoides | Prodr. 6: 397 (1838) | wfo-0000125365 | ||
| Senecio lithuanicus | Deutsche Bot. Monatsschr. 1(4): 56 (1883) | wfo-0000073084 | ||
| Senecio littoralis | Voy. Pôle Sud 2: 51. 1853 | wfo-0000129278 | ||
| Senecio littoralis | Fl. Carniol. 2: 162 (1772) | wfo-0000020945 | ||
| Senecio littoralis var. littoralis | – | – | — | wfo-0000057436 |
| Senecio lividus | Novit. Fl. Holsat. 72. | wfo-0000033186 | ||
| Senecio lividus | Engl. Bot. t. 2515. | wfo-0000086836 | ||
| Senecio lobatifolius | Bot. Mag. (Tokyo) 12: 80 (1898) | wfo-0000028749 | ||
| Senecio lobatus | Fl. Mexic., ed. 2 185. 1894 | wfo-0000038412 | ||
| Senecio lomincola | Notas Mus. La Plata, Bot. 18(89): 195, fig. 2D-E (1955) | wfo-0000081031 | ||
| Senecio londinensis | Rep. Bot. Soc. Exch. Club Brit. Isles 12(6): 871 (1946) | wfo-0000027442 | ||
| Senecio longeligulatus | Pl. Bequaert. v. 145 (1929). | wfo-0000092154 | ||
| Senecio longepenicillatus | Chlor. And. i. 97 | wfo-0000009843 | ||
| Senecio longibracteatus | Compos. Madagascar 144, 305 (1923) | wfo-0000004595 | ||
| Senecio longidentatus | Prodr. 6: 428 (1838) | wfo-0000133955 | ||
| Senecio longiflorus subsp. scottii | Cact. Succ. J. (Los Angeles) 62(6): 282 (1990) | wfo-0001366244 | ||
| Senecio longifolius | Prodr. 6: 374 (1838) | wfo-0000066467 | ||
| Senecio longifolius | Descr. Pl. Cap. : 279 (1767) | wfo-0000132908 | ||
| Senecio longipenicillatus | Kew Bull. 1941: 226 1941 | — | wfo-0001130753 | |
| Senecio longipilus | Muelleria 19: 193 (195-196; fig. 45) (2004) | wfo-0000122233 | ||
| Senecio longiradiatus | Index Seminum (LE, Petropolitanus) (1865) 37 | wfo-0000009132 | ||
| Senecio longiscapus | Prodr. [A. P. de Candolle] 6: 376. 1838 [1837 publ. early Jan 1838] | wfo-0000015993 | ||
| Senecio loshanensis | New Taxa New Names 6: 591 2023 | wfo-1000057184 | ||
| Senecio loureiroi | Beitr. Fl. Aethiop. : 160 (1867) | wfo-0000003596 | ||
| Senecio lucidissima | – | — | wfo-0001130803 | |
| Senecio lugardiae | Bull. Misc. Inform. Kew 1932: 499 (1932) | wfo-0000137124 | ||
| Senecio lugens var. blaisdellii | Bot. Gaz. 33: 298 (1902) | wfo-0001377761 | ||
| Senecio lugens var. foliosus | Geological Survey of California, Botany 1: 413 1876 | — | wfo-0000097493 | |
| Senecio lugens var. parryi | Botany [Fortieth Parallel] : 188 (1871) | wfo-0001377762 | ||
| Senecio lujae | Pl. Nov. Herb. Hort. Then. 2: 133. 1910 | wfo-0000135557 | ||
| Senecio lycopersicifolius | Beitr. Fl. Aethiop. : 159 (1867) | wfo-0000087250 | ||
| Senecio lycopifolius | Tabl. École Bot., ed. 2. 124. 1815 | wfo-0000027933 | ||
| Senecio lyoni | Coult. Bot. Gaz. xi. (1886) 335, nomen; et Syn. Fl. N. Am. i. II. Suppl.(1886) 454. | — | wfo-0000013640 | |
| Senecio lyonii | Bot. Gaz. 11: 335, nomen (1886) | wfo-0000082405 | ||
| Senecio lyratifolius | Iconogr. Bot. Pl. Crit. 2: 24 (1824) | wfo-0000035157 | ||
| Senecio lyratus | in Bull. Soc. Nat. Mosc. 20(2): 16. 1847 | wfo-0000008859 | ||
| Senecio macdougalii | Bull. Torrey Bot. Club 26(11): 592. 1899 [15 Nov 1899] | wfo-0000015304 | ||
| Senecio macedonicus subsp. barckhausiifolius | Novon 23(2): 140 (2014) | wfo-0001363213 | ||
| Senecio macfrancisci | – | — | wfo-0000113675 | |
| Senecio macquariensis | Prodromus 6 1838 | wfo-0000133428 | ||
| Senecio macrocarpus | Muelleria 5(2): 119 (1983) | wfo-0000017752 | ||
| Senecio macrodontus | Prodromus 6 1838 | wfo-0000093063 | ||
| Senecio macrorrhizus | Chlor. Andina 1: 108 (1856) | wfo-0000114786 | ||
| Senecio macrotus | – | — | wfo-0000102087 | |
| Senecio macrotus | Nov. Actorum Acad. Caes. Leop.-Carol. Nat. Cur. 19(Suppl. 1): 281 (1843) | wfo-0000121996 | ||
| Senecio madagascariensis | Handb. Sukkulent. Pfl. 2: 1031. 1954 | wfo-0000022783 | ||
| Senecio madidiensis | Phytotaxa 375(1): 71. 2018 | wfo-1000007565 | ||
| Senecio magellensis | Index Seminum (NAP, Neapolitano) 1857; Cf. Ann. Sc. Nat. Ser. | wfo-0000014990 | ||
| Senecio magnucii | – | — | wfo-0001129207 | |
| Senecio mahindae | Sida 13(1): 17. 1988 | wfo-0000009650 | ||
| Senecio majus | Muhlenbergia 1: 118 (1905) | wfo-0000093906 | ||
| Senecio malacitanus subsp. frigidus | Rivasgodaya 6: 59 (1991): (1991) | wfo-0000072119 | ||
| Senecio malaisei | Kongl. Svenska Vetensk. Acad. Handl. , ser. 3, 8(2): 199 (1930) | wfo-0000093656 | ||
| Senecio malmstenii | Proc. Biol. Soc. Wash. 1923, xxxvi. 183. | — | wfo-0000064959 | |
| Senecio mamancanacanus | Fieldiana, Bot. 27(2): 32. 1951 | wfo-0000138152 | ||
| Senecio mampodrensis | Bull. Soc. Bot. France 57: 98 (1910) | wfo-0000025974 | ||
| Senecio mandrarensis | Bull. Soc. Bot. France 77: 692 (1931) | wfo-0000059750 | ||
| Senecio manengubensis | Bot. Jahrb. Syst. 59(4, Beibl. 133): 25 (1924) | wfo-0000043768 | ||
| Senecio manitobensis | Ottawa Naturalist 25: 117 (1911) | wfo-0000092025 | ||
| Senecio marcapatana | – | — | wfo-0000117806 | |
| Senecio marcianus | Ark. Bot. 23A(11): 93 (1931) | wfo-0000009149 | ||
| Senecio margaritiferus | Bot. Jahrb. Syst. 12(1-2, Beibl. 27): 27 (1890) | wfo-0000024470 | ||
| Senecio marginatus | Suppl. Pl. : 370 (1782) | wfo-0000092690 | ||
| Senecio marginatus | Fl. Cap. (Thunberg, ed. 2) 680, partim. 1823 | wfo-0000087711 | ||
| Senecio marinae | Adansonia sér. 3, 45(16): 280 2023 | wfo-1000057085 | ||
| Senecio maritimus | J. Coll. Sci. Imp. Univ. Tokyo xxvii. Art. 13, 122 (1910). | wfo-0000091107 | ||
| Senecio marnieri | Fl. Madagasc. 189: 787 (1963) | wfo-0000125044 | ||
| Senecio marquesii | Brittonia 40: 83, fig (1988) | wfo-0000092381 | ||
| Senecio martingrantii | Feddes Repert. Spec. Nov. Regni Veg. 55: 139 (1953) | wfo-0000016377 | ||
| Senecio martini | Bull. Acad. Int. Géogr. Bot. , sér. 3, 11(157): 346 (1902) | wfo-0000125896 | ||
| Senecio masafuerae | Phytotaxa 5: 42 (2010) | wfo-0001331693 | ||
| Senecio masatierrae | Phytotaxa 5: 42 (2010) | wfo-0001331694 | ||
| Senecio mason-halei | – | wfo-0001350396 | ||
| Senecio mason-halei | Revista Fac. Farm. Univ. Andes 17: 20 (-24), figs. 1976 | wfo-0000081061 | ||
| Senecio mathewsii | Chlor. Andina 1: 114 (1856) | wfo-0000118095 | ||
| Senecio mauritianus | Ann. Bot. (Usteri) 18: 52 (1796) | wfo-0000087294 | ||
| Senecio medius | Hort. Brit. : 386 (1839) | wfo-0000028367 | ||
| Senecio megapotamicus | Syst. Veg., ed. 16 [Sprengel] 3: 547. 1826 [Jan-Mar 1826] | wfo-0000113842 | ||
| Senecio melanandrus | PhytoKeys 132: 113. 2019 | wfo-0001354567 | ||
| Senecio melanolepis var. discoideus | Prodr. 6: 424 (1838) | wfo-0001377763 | ||
| Senecio melastomatifolius | J. Linn. Soc., Bot. 22: 497 (1887) | wfo-0000042486 | ||
| Senecio melastomifolius subsp. longibracteatus | Fl. Madagasc. 189(3): 786. 1963 (1963) | wfo-0001129152 | ||
| Senecio memmingeri | – | — | wfo-0000017667 | |
| Senecio mendocinus f. mendocinus | – | – | — | wfo-0000050147 |
| Senecio menesesiae | Phytotaxa 375(1): 74. 2018 | wfo-1000007566 | ||
| Senecio merceris | Fl. Catal. (Treb. Inst. Catal. Hist. Nat | wfo-0000083954 | ||
| Senecio meridanus | Fieldiana, Bot. 27: 38 (1951) | wfo-0000025612 | ||
| Senecio meridensis | – | — | wfo-0000123149 | |
| Senecio mesadenia | Leafl. Bot. Observ. Crit. 2(4): 227 (1912) | wfo-0000009638 | ||
| Senecio mesembryanthemoides | Prodr. 6: 378 (1838) | wfo-0001129150 | ||
| Senecio meuselii | Cact. Succ. J. (Los Angeles) 43(2): 55 (1971) | wfo-0000087444 | ||
| Senecio meyenii | Anales Univ. Chile 88: 25 (1894) | wfo-0000136518 | ||
| Senecio meyeri | Index Seminum quae Hortus Botanicus Imperialis Petropolitanus 1867 | wfo-0000083899 | ||
| Senecio micaniiformis | Nomencl. Bot. 2: 562, sphalm. (1841) | wfo-0000031542 | ||
| Senecio micranthus | Hort. Bot. Hafn. Suppl. 97. 1819 | wfo-0000003542 | ||
| Senecio microbasis | Muelleria 19: 175 (-176; fig. 35) (2004) | wfo-0000005401 | ||
| Senecio microcephalus var. hookeri | Rep. Princeton Univ. Exped. Patagonia, Botany 8: 853 (1906) | wfo-0001377765 | ||
| Senecio microchaeta | Chlor. Andina 1: 100 (1856) | wfo-0000021505 | ||
| Senecio microdontus | Bull. Torrey Bot. Club 24(9): 479. 1897 [30 Sep 1897] | wfo-0000001925 | ||
| Senecio microglossus | Prodr. 6: 395 (1838) | wfo-0001428968 | ||
| Senecio microglossus | Verh. Naturf. Vereins Brünn 36: 183 (non DC.). 1898 | wfo-0000016894 | ||
| Senecio micropachyphyllus | Feddes Repert. Spec. Nov. Regni Veg. 55: 140 (1953) | wfo-0000134646 | ||
| Senecio microphyllus | Syst. Veg., ed. 16 [Sprengel] 3: 556, sphalm. 1826 [Jan-Mar 1826] | wfo-0000101929 | ||
| Senecio micropifolius var. moncephalus | Prodr. 6: 413 (1838) | wfo-0000110848 | ||
| Senecio milanjiensis | J. Linn. Soc., Bot. 35: 359 (1902) | wfo-0000037296 | ||
| Senecio mildbraedii | Bot. Jahrb. Syst. 43(1-2): 69 (1909) | wfo-0000096168 | ||
| Senecio mirabilis | Cat. Fl. Pyrénées-Orientales 227 (1897) | wfo-0001344324 | ||
| Senecio mirus | Bull. Soc. Roy. Bot. Belgique 31, pt. 1: 213. 1892 | wfo-0000018183 | ||
| Senecio miser f. major | Revista Mus. La Plata 7: 380 (1896) | wfo-0001321110 | ||
| Senecio mixtus | Voy. Astrolabe 2: 112, t. 36. 1834 | wfo-0000066605 | ||
| Senecio moaensis | Contr. Ocas. Mus. Hist. Nat. Colegio "De La Salle" n.° 18: 11 (1960) | wfo-0000115993 | ||
| Senecio mochensis | Bot. Jahrb. Syst. xxix. 68. | wfo-0000022880 | ||
| Senecio modestus var. candollei | Bot. Complutensis 21: 104 (1996): (1996) | wfo-0000055662 | ||
| Senecio moisoni | Bull. Géogr. Bot. 25: 16 (1915) | wfo-0000084871 | ||
| Senecio mojandensis | Bot. Jahrb. Syst. 29(1): 67 (1900) | wfo-0000037291 | ||
| Senecio mollendoensis | Bol. Soc. Argent. Bot. 10: 35 (1962) | wfo-0000050057 | ||
| Senecio monanthos | Bot. Jahrb. Syst. 29(5): 621 (1901) | wfo-0001328696 | ||
| Senecio monocephalus | Verh. Mitth. Siebenbürg. Vereins Naturwiss. Hermannstadt i. (1850) 107; iv. (1853) 41 | wfo-0000120592 | ||
| Senecio montanus | Bot. Exch. Club Brit. Isles Rep. 3(5): 423. 1914 [Feb 1914] | wfo-0000139279 | ||
| Senecio montanus | Ann. S. African Mus. 16: 155. 1917 | wfo-0000137203 | ||
| Senecio montanus | Sp. Pl., ed. 4 , 3: 1989 (1803) | wfo-0000092099 | ||
| Senecio moqueguensis | PhytoKeys 39: 3 (2014) | wfo-0001339701 | ||
| Senecio morenonis var. typicus | Revis. Gen. Pl. 3[3]: 176 (1898) | wfo-0001377766 | ||
| Senecio morettii | Prodr. Index, 2: p. vi (1840) | wfo-0000131356 | ||
| Senecio motelayi | Fl. France 8: 343 (1903) | wfo-0000138069 | ||
| Senecio muelleri | Index Seminum (LE, Petropolitanus) (1863) 31. | wfo-0000000735 | ||
| Senecio multangularis | Syll. Pl. Nov. ii. (1828) 253 | wfo-0000083249 | ||
| Senecio multicapitatus | Bot. Jahrb. Syst. 32(1): 21. 1902 [2 May 1902] | wfo-0000004580 | ||
| Senecio multicaulis var. dissecta | Flora of South Australia 4 1957 | wfo-0001373061 | ||
| Senecio multicaulis var. microcephala | Flora of South Australia 4 1957 | wfo-0001373062 | ||
| Senecio multidenticulatus | Notul. Syst. (Paris) 15: 373 (1959) | wfo-0000119194 | ||
| Senecio multifidus | Prodr. 6: 416 (1838) | wfo-0000022053 | ||
| Senecio multifoliosus | Ann. Sci. Nat., Bot. , sér. 5, 18: 375 (1873) | wfo-0000027283 | ||
| Senecio multilobatus var. standleyi | Ann. Missouri Bot. Gard. 4: 17 (1917) | wfo-0001377767 | ||
| Senecio multinervis | Leopoldina 24: 127 (1888) | wfo-0000015579 | ||
| Senecio multinervis | Bull. New York Bot. Gard. iv. 393 (1907), descr. | wfo-0000034741 | ||
| Senecio multivenius var. oliganthus | Monogr. Senecio pt. 1, 26. 1901 Engl. Bot. Jahrb. 32: 22. 1902 | wfo-0001377768 | ||
| Senecio multivenius var. oliganthus | Bot. Jahrb. Syst. 32(1): 22 (1902) | wfo-0001379626 | ||
| Senecio muninensis | Bot. Mag. (Tokyo) 33: 218 (1919) | wfo-0000083537 | ||
| Senecio munitus | Erst. Beitr. Fl. Hercyn. : 278 (1840) | wfo-0000021111 | ||
| Senecio munzurdaglarensis | Ot Sist. Bot. Dergisi 17(2): 36 (-37; figs. 41-42) (2010) | wfo-0001331812 | ||
| Senecio murrayanus | Itinera Principum S. Coburgi 2 1888 | wfo-0000127922 | ||
| Senecio mustersi var. dentatus | – | — | wfo-1200068479 | |
| Senecio mutisii var. congestus | Fieldiana, Bot. 27: 39 (1950) | wfo-0001377769 | ||
| Senecio mweroensis subsp. leptophyllus | Succ. Compositae 120 (1994):. | wfo-0001366525 | ||
| Senecio mweroensis subsp. saginatus | Cact. Succ. J. (Los Angeles) 62(6): 282 (1990) | wfo-0001366245 | ||
| Senecio myricifolius var. alleizettei | – | wfo-0001259425 | ||
| Senecio myriocepbalus | Sec. Voy. Choa [Rochet] 342. 1846 | wfo-0000091756 | ||
| Senecio nahuelbatae | – | — | wfo-0000124761 | |
| Senecio namibensis | Phytotaxa 571(2): 104. 2022 [3 Nov 2022] [epublished] | wfo-1000041419 | ||
| Senecio namnaoensis | Acta Phytotax. Geobot. 39: 156 (1988) | wfo-0000060272 | ||
| Senecio napellifolius | Biol. Cent.-Amer., Bot. 2: 244 (1881) | wfo-0000002518 | ||
| Senecio napifolius | Fl. Germ. Excurs. : 243 | wfo-0000001143 | ||
| Senecio navicularis | Notul. Syst. (Paris) 10: 108 (1942) | wfo-0000138065 | ||
| Senecio neapolitanus | ex Oesterr. Bot. Z. 43: 151, 390. 1893 | wfo-0000023973 | ||
| Senecio nebrodensis | Fl. Franc. 4: 162 (1805) | wfo-0000135180 | ||
| Senecio nebrodensis | Beschr. Nation. Russ. Reich III. iv. 1242 | wfo-0000013403 | ||
| Senecio nebrodensis var. bipinnatifidus | Fl. Dalmat. 2: 69 (1847) | wfo-0001382918 | ||
| Senecio nebrodensis var. calabricus | Fl. Italia 3: 212 (1903) | wfo-0001383876 | ||
| Senecio nebrodensis var. glabratus | Proceedings of the Royal Society of Victoria New Series 24 1912 | wfo-0001373067 | ||
| Senecio nebrodensis var. laciniatus | Fl. Dalmat. 2: 68 (1847) | wfo-0001382919 | ||
| Senecio neglectus | Obs. Pl. Andeg. 129. | wfo-0000063229 | ||
| Senecio nelsonii | Bull. Torrey Bot. Club 26(9): 483. 1899 [22 Sep 1899] | wfo-0000080595 | ||
| Senecio nemophilus | Fl. Belg. : 66 (1827) | wfo-0000044352 | ||
| Senecio nemorensis | Fl. Cote d'Or 1: 474. | wfo-0000096313 | ||
| Senecio nemorensis subsp. boikoanus | Byull. Moskovsk. Obshch. Isp. Prir., Otd. Biol. 89(4): 120 (1984) (1984) | wfo-0001365300 | ||
| Senecio nemorensis subsp. stabianus | Giorn. Bot. Ital. 111(1-2): 57 (1977) | wfo-0001364279 | ||
| Senecio nemorensis var. dalmaticus | Verh. Vereins Natur- Heilk. Presburg 11: 43 (1874) (1874) | wfo-0001380048 | ||
| Senecio neodendroides | Notas Fl. Colombia 6: 19 (figs. 13-14). 1944 | wfo-0000081558 | ||
| Senecio neodenticulatus | Fieldiana, Bot. 27: 44 (1950) | wfo-0000117335 | ||
| Senecio neoglandulosus | Fieldiana, Bot. 27, n.° 2: 44 (1951) | wfo-0000128052 | ||
| Senecio neohumbertii | Nat. Cact. & Succ. Journ. 10: 31. 1955 | wfo-0000081342 | ||
| Senecio neohumilis | – | — | wfo-0000012656 | |
| Senecio neoviscidulus | Compositae Newslett. 32: 18, nom. nov. (1998) | wfo-0000087801 | ||
| Senecio neoviscosus | Collect. Bot. (Barcelona) 3: 271 (1953) | wfo-0000016409 | ||
| Senecio nepalensis | Beitr. Fl. Aethiop. : 159 (1867) | wfo-0000026150 | ||
| Senecio nephelagetus | Bull. Soc. Bot. France 39: 285 (1892) | wfo-0000063717 | ||
| Senecio neriifolius | Hist. Pl. 8: 308 (1882) | wfo-0000062115 | ||
| Senecio nervatus | Syst. Veg. 4(2, Cur. Post.): 302 (1827) | wfo-0000029624 | ||
| Senecio nevadensis | – | — | wfo-0000018960 | |
| Senecio ngandae | Kew Bull. 74(4)-67: 2. 2019 | wfo-1000034569 | ||
| Senecio nigrescens | Bot. Jahrb. Syst. 43(1-2): 68. 1909 [23 Feb 1909] | wfo-0000067061 | ||
| Senecio nikoensis f. albiflorus | J. Jap. Bot. 32(2): 64 (1957) | wfo-0001322194 | ||
| Senecio nilagerensis | Fl. Brit. India 3(8): 337 (1881) | wfo-0000086354 | ||
| Senecio nilgheryanus | Fl. Brit. India 3(8): 341 (1881) | wfo-0000078130 | ||
| Senecio nitidus | Fl. Pas. Addit. 495. 1845 | wfo-0000075873 | ||
| Senecio niveus | Numer. List [Wallich] n. 3143. 1831 | wfo-0000031362 | ||
| Senecio nordenskjoeldii var. simplicior | – | wfo-0001391844 | ||
| Senecio nordenskjoldii | Ergebn. Schwed. Exp. Magell. 3, pt. 5: 107, pl. 15 (1900) | wfo-0000013657 | ||
| Senecio nordenskjoldir | Ergebn. Schwed. Exp. Magell. 3, pt. 5: 107, pl. 15 (1900) | wfo-0001129208 | ||
| Senecio noricus | Phytotaxa 213(1): 9 (2015) | wfo-0001342768 | ||
| Senecio notonioides | Succulenta (Netherlands) 83(6): 268 (2004) | wfo-0000060732 | ||
| Senecio novemlepis | Bot. Jahrb. Syst. 21(3): 357 (1895) | wfo-0001129209 | ||
| Senecio nudicaulis | Compositae Indica 191 1876 | — | wfo-0000029248 | |
| Senecio nudicaulis | Beitr. Fl. Aethiop. : 159 (1867) | wfo-0000007377 | ||
| Senecio nudiusculus | Prodr. 6: 384 (1838) | wfo-0000045960 | ||
| Senecio nutans | Chloris Andina 1(3): 111 1855 [1856] | — | wfo-0000101042 | |
| Senecio nyangani | Kew Bull. 74(4)-67: 3. 2019 | wfo-1000034570 | ||
| Senecio nyikensis var. hildebrandtii | Cact. Succ. J. (Los Angeles) 62(6): 282 (1990) | wfo-0000059745 | ||
| Senecio nyikensis var. nyikensis | – | – | — | wfo-0000057779 |
| Senecio oberprieleri | Jahrb. Bochum. Bot. Vereins 1: 127 (-128) (2010) | wfo-0001331704 | ||
| Senecio obliquus | Fl. Hautes-Pyrénées : 507 (1867) | wfo-0000058329 | ||
| Senecio oblongifolius | Nomencl. Bot. 2: 563 (1841) | wfo-0000123349 | ||
| Senecio obovatus | Essai Pl. Dauphiné 36 (Quid?). 1872 [Jan 1872] | wfo-0000095562 | ||
| Senecio obovatus f. elongatus | Rhodora 30: 225 (1928) | wfo-0001321111 | ||
| Senecio obovatus var. divisifolius | Ann. Missouri Bot. Gard. 3: 112 (1916) | wfo-0001377771 | ||
| Senecio obovatus var. elliottii | Rhodora 45: 507 (1943) | wfo-0000110741 | ||
| Senecio obovatus var. elongatus | Ill. Fl. N. U.S. 3: 478 (1898) | wfo-0001377772 | ||
| Senecio obovatus var. minor | Rep. (Annual) Michigan Acad. Sci. 22: 185 (1921) | wfo-0001377773 | ||
| Senecio obovatus var. rotundus | Ill. Fl. N. U.S. 3: 479 (1898) | wfo-0000071949 | ||
| Senecio obovatus var. umbratilis | Monogr. Senecio pt. 1, 24. 1901 Engl. Bot. Jahrb. 32: 20. 1902; Ann. Mo. Bot. Gard. 3: 115. 1916 | wfo-0001377774 | ||
| Senecio obscurus | Fl. Ross. (Ledeb.) 2(2,6): 638. 1845 [Jun 1845] | wfo-0000064007 | ||
| Senecio obscurus | Bull. Soc. Imp. Naturalistes Moscou 20(II): 20 (1847) | wfo-0000118825 | ||
| Senecio obtusatus | Fl. Amer. Sept. 2: 530 (1813) | wfo-0000085997 | ||
| Senecio obtusatus | Numer. List [Wallich] n. 3133 | wfo-0000064796 | ||
| Senecio ocanensis | Brittonia 8: 191 (1956) | wfo-0000125101 | ||
| Senecio ochoanus | Brittonia 8: 188 (1956) | wfo-0000114323 | ||
| Senecio oclonetus | Anales Univ. Chile lxxxviii. (1894) 256 | wfo-0000086095 | ||
| Senecio octolepis var. saltensis | Darwiniana 22(4): 474 (1980) | wfo-0001386810 | ||
| Senecio odontophyllus | Kew Bull. 47(1): 95 (1992) | wfo-0000025859 | ||
| Senecio odoratus | Voyage de d?couvertes de l'Astrolabe 2, Sertum Astrolabianum 1834 | wfo-0000043422 | ||
| Senecio odoratus var. laciniatus | Report on the Plants Collected During Mr. Babbage's Expedition into the North West Interior of South Australia in 1858 1859 | wfo-0001373068 | ||
| Senecio odoratus var. longifolius | J. Adelaide Bot. Gard. 7(3): 289. 1985 | wfo-0001412200 | ||
| Senecio odoratus var. obtusifolius | Transactions and Proceedings of the Royal Society of South Australia 36 1912 | wfo-0001373069 | ||
| Senecio odoratus var. petiolata | Linnaea (1853) | wfo-0001373070 | ||
| Senecio oehleri | Mitt. Deutsch. Schutzgeb. Ergänzungsh. iv. 94 (1911), nomen. | wfo-0000022105 | ||
| Senecio oenequifolius | Escritos Damaso Antonio Larranaga 2: 255. 1923 ; [Pub. Inst. Hist. Geog. Urug.]; cf.Gray Herb. Card Cat., Issue 117, nomen. | wfo-0000124177 | ||
| Senecio oerstedtii | Revis. Gen. Pl. 1: 363 (1891) | wfo-0000036362 | ||
| Senecio oflasii | Ot Sist. Bot. Dergisi 25(1): 3. 2018 | wfo-1000007567 | ||
| Senecio okopanus | Bol. Soc. Argent. Bot. 10: 36, fig. 6 (1962) | wfo-0000086080 | ||
| Senecio oleifolius | Fl. Bras. 6(3): 305 (1884) | wfo-0000123459 | ||
| Senecio oleraceus | Cat. Prod. Indochine 188 (1917), nomen. (1917) | wfo-0000065851 | ||
| Senecio oliganthus | Journal de Botanique (Morot) 10: 421 1896 | — | wfo-0000135587 | |
| Senecio oliganthus | Syst. Veg. 5(Index): 636 (1828) | wfo-0000115995 | ||
| Senecio oligocephalus | Prodromus 6 1838 | wfo-0000075372 | ||
| Senecio oligodon | Deutsche Bot. Monatsschr. 1(4): 56 (1883) | wfo-0000042541 | ||
| Senecio oligolepis | Diagn. Pl. Orient. 6: 94 (1846) | wfo-0000034268 | ||
| Senecio oligolobus | J. Bot. 55: 123. 1917 | wfo-0000131948 | ||
| Senecio olympicus | Diagn. Pl. Orient. 4: 13 (1844) | wfo-0000041559 | ||
| Senecio ombrophyllus | Wiss. Ergebn. Schwed. Sudpol.-Exped. 4(4): 34 (1906) | wfo-0000126383 | ||
| Senecio ommannei | J. Linn. Soc., Bot. 37: 324 (1906) | wfo-0000090681 | ||
| Senecio oporinus | Sp. Pl., ed. 4 , 3: 2008 (1803) | wfo-0000121770 | ||
| Senecio opuntiifolius | Prodr. 6: 435 (sp. dub.) (1838) | wfo-0000062062 | ||
| Senecio orarius | Trans. & Proc. Roy. Soc. South Australia 1928, lii. 230 | wfo-0000117435 | ||
| Senecio orbicularis | Harv. & Sond., Fl. Cap. iii. 376 | — | wfo-0000036536 | |
| Senecio oreopolus var. aphanactis | Ann. Missouri Bot. Gard. 1: 269 (1914) | wfo-0001377775 | ||
| Senecio oresbius | Ann. Missouri Bot. Gard. 5(1): 44. 1918 [3 Apr 1918] | wfo-0000011482 | ||
| Senecio organensis f. albiflorus | Arch. Jard. Bot. Rio de Janeiro 15: 175 (1957) | wfo-0001321112 | ||
| Senecio orientalis | Spic. Fl. Rumel. 2(5/6): 221 (1846) | wfo-0000091879 | ||
| Senecio orientalis | Gard. Dict., ed. 8. n. 10. 1768 [16 Apr 1768] | wfo-0000001432 | ||
| Senecio orientalis | Voy. Marm. t. 97. | wfo-0000128360 | ||
| Senecio orientalis | Fl. Napol. 2: 222 (1820) | wfo-0000090314 | ||
| Senecio orthophyllus | Leafl. Bot. Observ. Crit. 1: 221 (1906) | wfo-0000086153 | ||
| Senecio ostenfeldii | Rep. Bot. Soc. Exch. Club Brit. Isles 8(3): 401, hybr. (1928) | wfo-0000120715 | ||
| Senecio othonnaeoides | Prodr. 5: 398 (1836) | wfo-0000030912 | ||
| Senecio otites var. auriculus | Anales Univ. Chile 88: 278 (1894) | wfo-0001377777 | ||
| Senecio otuscensis | Bol. Soc. Argent. Bot. 5: 43, fig. 6 (1953) | wfo-0000003257 | ||
| Senecio ovalifolius | Bull. Soc. Imp. Naturalistes Moscou 24(I): 208 (1851) | wfo-0000076938 | ||
| Senecio ovalis | Beitr. Fl. Aethiop. : 159 (1867) | wfo-0000121591 | ||
| Senecio ovoideus | in Sukkulentenk. iv. 90 (1951). | — | wfo-0000026750 | |
| Senecio oxyphyllus var. amblyotis | Prodr. 6: 419 (1838) | wfo-0001377778 | ||
| Senecio oxyriifolius subsp. tropaeolifolius | Cact. Succ. J. (Los Angeles) 62(6): 282 (1990) | wfo-0001366246 | ||
| Senecio oyensis | Ber. Bayer. Bot. Ges. xxiii. 167 (1938). | wfo-0000086098 | ||
| Senecio pachylepis | Publ. Field Columb. Mus., Bot. Ser. 2: 325 (1912) | wfo-0000022160 | ||
| Senecio pachypodus | Publ. Field Columb. Mus., Bot. Ser. 2(8): 325 (1912) | wfo-0000018745 | ||
| Senecio pacificus | Fl. Rocky Mts. 998. 1917 | wfo-0000115452 | ||
| Senecio paeninsularis | J. Bot. 42: 374. 1904 | wfo-0000065684 | ||
| Senecio paeninsularis | J. Bot. 42: 374 (1904) | wfo-0000013562 | ||
| Senecio palenae | Anales Univ. Chile 88: 14 (1894) | wfo-0000121434 | ||
| Senecio pallasii | Flora 28: 498 (1845) | wfo-0000002914 | ||
| Senecio pallens | Numer. List : n.° 3132 (1831) | wfo-0000121694 | ||
| Senecio pallens var. khasianus | Compos. Ind. 192 1876 | — | wfo-0001279381 | |
| Senecio pallescens | Leopoldina 24: 126 (1888) | wfo-0000113899 | ||
| Senecio pallidus | Fl. Flumin. 8: t. 105 (1831) | wfo-0000076262 | ||
| Senecio palmatus | Hist. Pl. Pyrenées Suppl. 134. | wfo-0000138204 | ||
| Senecio palmatus | Syn. Gen. Compos. : 392 (1832) | wfo-0000077336 | ||
| Senecio palmatus | Reise Russ. Reich. 3: 321. 1766 | wfo-0000040829 | ||
| Senecio palmatus f. davuricus | Bulletin de la societe imperiale des naturalistses de Moscou 40(1): 434 1867 | — | wfo-0000032639 | |
| Senecio palmatus f. palmatus | – | – | — | wfo-0000056220 |
| Senecio palmatus subsp. palmatus | – | – | — | wfo-0000054318 |
| Senecio palmatus var. cannabifolius | J. Coll. Agric. Hokkaido Imp. Univ. 12(1): 60 (1923) | wfo-0001377779 | ||
| Senecio palmatus var. palmatus | – | – | — | wfo-0000049677 |
| Senecio palmeri | Proc. Amer. Acad. Arts xi. (1876) 80. | wfo-0000031271 | ||
| Senecio paludosus f. gymnocarpus | Acta Bot. Acad. Sci. Hung. 18(1-2): 173 (1973) | wfo-0001322892 | ||
| Senecio paludosus f. hungaricus | Acta Bot. Acad. Sci. Hung. 18(1-2): 173 (1973) | wfo-0001322893 | ||
| Senecio paludosus subsp. angustifolius | Novit. Bot. Delect. Seminum Horti Bot. Univ. Carol. Prag. 1962: 30 (1962) | wfo-0000105985 | ||
| Senecio paludosus subsp. lanatus | Novit. Bot. Delect. Seminum Horti Bot. Univ. Carol. Prag. 1962: 32 (1962) | wfo-0000008709 | ||
| Senecio paludosus var. fukarekii | Glasn. Prir. Mus. Beogradu, Ser. B, Biol. Nauke 27: 34 (1972) | wfo-0001386811 | ||
| Senecio palustris f. polycricos | Bull. Natl. Mus. Canada 92: 367, tab. 8 (1940) | wfo-0001321635 | ||
| Senecio palustris var. congestus | Fl. Bor.-Amer. 1(suppl.): 334 (1834) | wfo-0001042180 | ||
| Senecio palustris var. laceratus | Fl. Ross. 2: 648 (1845) | wfo-0000102312 | ||
| Senecio pammelii | Ann. Missouri Bot. Gard. 3: 118 (1916) | wfo-0000028037 | ||
| Senecio pamplonensis | Chlor. Andina 1: 94 (1856) | wfo-0000022910 | ||
| Senecio panticallensis | Notas Mus. La Plata, Bot. 12: 157, fig (1947) | wfo-0000091356 | ||
| Senecio papagonius | Univ. Wyoming Publ. 3: 110. 1937 | wfo-0000136829 | ||
| Senecio papillosus | Transactions of the Philosophical Institute of Victoria 2 1857 | wfo-0000003230 | ||
| Senecio paradoxus | Sp. Pl., ed. 4 , 3: 1989 (1803) | wfo-0000063002 | ||
| Senecio paralias | Linnaea 28: 750 (1858) | wfo-0000030855 | ||
| Senecio paranaensis | – | — | wfo-0000088334 | |
| Senecio parayanus | Phytologia 57: 273(-275), fig (1985) | wfo-0000084790 | ||
| Senecio pardalianches | Deutschl. Fl. (Sturm), ed. 2. 3: 93 (1900) | wfo-0000133866 | ||
| Senecio parnassiifolius | Bull. Soc. Roy. Bot. Belgique 1912, xlix. 234 1913). | wfo-0000028223 | ||
| Senecio parviflorus | Fl. Pedem. i. 200. t. 38. f. 3 (1785) | wfo-0000078436 | ||
| Senecio parviflorus | Escritos Damaso Antonio Larranaga 2: 255. 1923 ; [Pub. Inst. Hist. Geog. Urug.]; cf.Gray Herb. Card Cat., Issue 117, nomen. | wfo-0000083280 | ||
| Senecio parvocapitatus | Notas Mus. La Plata, Bot. 18: 212 (1955) | wfo-0000076437 | ||
| Senecio passus-crucis | Revis. Gen. Pl. 3[3]: 176 (1898) | wfo-0000114181 | ||
| Senecio patagonicus var. lobatifolius | – | wfo-0001392232 | ||
| Senecio patens var. prenanthoidea | Bot. Jahrb. Syst. 28(5): 632 (1901) | wfo-0001377783 | ||
| Senecio patersonianus | Watsonia 12(4): 334 (1979) | wfo-0000068575 | ||
| Senecio patulus | Prodr. 6: 404 (1838) | wfo-0000089674 | ||
| Senecio pauciflorus | J. Bot. 20: 171 (1882) | wfo-0000007240 | ||
| Senecio pauciflorus f. fallax | Rhodora 30: 225 (1928) | wfo-0001321113 | ||
| Senecio pauciflorus f. ornatus | Naturaliste Canad. 75: 213 (1948) | wfo-0001321634 | ||
| Senecio pauciflorus var. atropurpureus | Naturaliste Canad. 75: 213 (1948) | wfo-0001377785 | ||
| Senecio pauciflorus var. fallax | – | — | wfo-0000103483 | |
| Senecio pauciflorus var. genuinus | Naturaliste Canad. 75: 213 (1948) | wfo-0001377786 | ||
| Senecio pauciligulatus | Voy. Astrolabe 2: 121, t. 38. 1834 | wfo-0000021557 | ||
| Senecio paulsenii | Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn 1903: 152 (-153) (1903) | wfo-0000031329 | ||
| Senecio paulsenii subsp. khorasanicus | Fl. Iranica 164: 68 (1989) | wfo-0000054727 | ||
| Senecio paulsenii subsp. paulsenii | – | Vidensk. Meddel. Dansk Naturhist. Foren. Kjöbenhavn 1903 | wfo-0000053438 | |
| Senecio paupercula | – | wfo-0001349214 | ||
| Senecio pauperculus f. discoideus | Naturaliste Canad. 75: 214 (1948) | wfo-0001321632 | ||
| Senecio pauperculus f. inchoatus | Rhodora 30: 226 (1928) | wfo-0001321633 | ||
| Senecio pauperculus f. inornatus | Rhodora 45: 502 (1943) | wfo-0001321114 | ||
| Senecio pauperculus f. verecundus | Rhodora 30: 225 (1928) | wfo-0001321115 | ||
| Senecio pauperculus subsp. crawfordii | Canad. J. Bot. 56: 1710. 1978 | wfo-0001405989 | ||
| Senecio pauperculus var. crawfordii | Transactions of the Kansas Academy of Science 65(3): 357 1962 | — | wfo-0000097418 | |
| Senecio pauperculus var. firmifolius | Ann. Missouri Bot. Gard. 3: 166 (1916) | wfo-0000111137 | ||
| Senecio pauperculus var. flavovirens | Naturaliste Canad. 75: 214 (1948) | wfo-0001377788 | ||
| Senecio pauperculus var. neoscoticus | Rhodora 45: 502 (1943) | wfo-0000102414 | ||
| Senecio pauperculus var. typicus | Naturaliste Canad. 75: 214 (1948) | wfo-0001377789 | ||
| Senecio pavlovii | Repert. Spec. Nov. Regni Veg. 29: 162 (1931) | wfo-0000119905 | ||
| Senecio pectinatipinnatus | Revista Sudamer. Bot. 7: 236 (1943) | wfo-0000027082 | ||
| Senecio pectinatus | Fl. Bras. 6(3): 323 (1884) | wfo-0000006417 | ||
| Senecio pectinatus | Prodr. 6: 372 (1838) | wfo-0000061861 | ||
| Senecio pectinatus | Estud. Bot. Reg. Uruguay 4: 129. 1930 Fl. Uruguayensis, Pl. Vasc | wfo-0000008823 | ||
| Senecio pectinatus var. major | Muelleria 9: 120 (1996) | wfo-0001390579 | ||
| Senecio pectinatus var. pectinatus | – | – | wfo-0000096819 | |
| Senecio pectinatus var. pleiocephalus | Fl. Austral. (1867) | wfo-0000102005 | ||
| Senecio pedicularifolius | Nomencl. Bot. 2: 563 (1841) | wfo-0000119573 | ||
| Senecio pediculariifolius | Nov. Gen. Sp. 4(16): 135 (ed. fol.) (1818) | wfo-0000036861 | ||
| Senecio peduncularis | Spic. Fl. Rumel. 2(5/6): 224 (1846) | wfo-0000093698 | ||
| Senecio pedunculatus | Flora 27(2): 702 (1844) | wfo-0000086418 | ||
| Senecio pedunculatus var. albus | J. Econ. Taxon. Bot. 10(2): 311 (1988) | wfo-0000048801 | ||
| Senecio peguanus | Prodr. 6: 365 (1838) | wfo-0000120165 | ||
| Senecio pelleifolius | Bull. Misc. Inform. Kew 1911: 271 (1911) | wfo-0000011625 | ||
| Senecio pellucidinervis | – | wfo-0000006834 | ||
| Senecio pellucidinervis | Fl. Bras. 6(3): 319 (1884) | wfo-0000000592 | ||
| Senecio peltiferus | Biol. Cent.-Amer., Bot. 2: 245 (1881) | wfo-0000026999 | ||
| Senecio pembrinensis | Bot. Jahrb. Syst. 32(1): 19, nomen. (1902) | wfo-0000075664 | ||
| Senecio pendulus | Voyage Yemen : 155 (1889) | wfo-0000124671 | ||
| Senecio peninsularis | Proc. U. S. Natl. Mus. 11: 531 (1889) | wfo-0000118458 | ||
| Senecio pennellii | 1923 | wfo-0000022547 | ||
| Senecio pennellii var. gachetensis | Ann. Missouri Bot. Gard. 10: 89 (1923) | wfo-0001377790 | ||
| Senecio pentlandianus | Prodr. 6: 421 (1838) | wfo-0000029123 | ||
| Senecio pentodonta | Pl. Baker. 3: 26 (1901) | wfo-0001262033 | ||
| Senecio pentodontus | Pl. Baker. 3: 26 (1901) | wfo-0000081289 | ||
| Senecio percalvus | Univ. Wyoming Publ. Sci., Bot. 1: 142 (1926) | wfo-0000036679 | ||
| Senecio peregrinus | Cact. Succ. J. (Los Angeles) 62(6): 282, basionym not vali (1990) | wfo-0000020938 | ||
| Senecio perezii f. integerrima | – | — | wfo-1200059661 | |
| Senecio perezioides | Phytoneuron 2021-65: 63. 2021 | wfo-1000028966 | ||
| Senecio perrottetianus | Abh. Naturf. Ges. Halle 15: 329 (1881) | wfo-0000083233 | ||
| Senecio persicifolius | Voy. Astrolabe 2: 123. 1834 | wfo-0000113416 | ||
| Senecio persicifolius | Prodr. 6: 395 (1838) | wfo-0000085067 | ||
| Senecio persicifolius | Bull. Sci. Soc. Philom. Paris ii. (1799-1801) 146. t. 11. f | wfo-0000095828 | ||
| Senecio persicus | Diagn. Pl. Orient. 6: 94 (1846) | wfo-0000117782 | ||
| Senecio persicus | Flora 28: 50 (1845) | wfo-0000045892 | ||
| Senecio peruensis | Collect. Bot. (Barcelona) 3: 284 (1953) | wfo-0000130834 | ||
| Senecio petraeus | Handb. Sukkulent. Pfl. 2: 1034. 1954 | wfo-0000064244 | ||
| Senecio petrocallis | Pittonia 4(22): 116 (1900) | wfo-0001232879 | ||
| Senecio peucedanifolius | Suppl. Pl. : 372 (1782) | wfo-0000031363 | ||
| Senecio phaedrus | Anales Univ. Chile 88: 251 (1894) | wfo-0000095095 | ||
| Senecio phaenicochaetes | Bull. Soc. Bot. France 39: 295 1893 | — | wfo-0000129656 | |
| Senecio phagnaloides | Prodr. 6: 415 (1838) | wfo-0000002984 | ||
| Senecio phalacrocarpus var. globigerus | Sunyatsenia 6(1): 21-22 1941 | — | wfo-0000112834 | |
| Senecio phelleus | Muelleria 19: 171 (-174; fig. 34) (2004) | wfo-0000119163 | ||
| Senecio philippii | Chloris Andina 1: 134 1856 | — | wfo-0000075264 | |
| Senecio phlomidifolius | Phytotaxa 479(2): 199. 2021 | wfo-1000028967 | ||
| Senecio phylloleptus var. pectinatus | Notas Mus. La Plata, Bot. 18(89): 224 (1955) | wfo-0001377791 | ||
| Senecio picardae | Symb. Antill. 1(3): 469 (1899) | wfo-0000134542 | ||
| Senecio pichineuquensis | Bol. Soc. Argent. Bot. 49(3): 406 (2014) | wfo-0001342599 | ||
| Senecio pichineuquensis var. albus | Bol. Soc. Argent. Bot. 49(3): 408 (2014) | wfo-0001385447 | ||
| Senecio pickeringii | Proc. Amer. Acad. Arts v. (1861) 142. | wfo-0000070318 | ||
| Senecio picridifolius | Exploration Botanique de l'Afrique Occidentale Francaise ... 375 1920 | — | wfo-0000015083 | |
| Senecio piepaloensis | Pl. Biosystems 142(1): 187 (-189) (2008) | wfo-0001331464 | ||
| Senecio pilgerianus | Bot. Jahrb. Syst. 43(1-2): 66 (1909) | wfo-0000115237 | ||
| Senecio pilotus | Revis. Gen. Pl. 3[3]: 177. 1898 [28 Sep 1898] as pilosus | wfo-0000013213 | ||
| Senecio pilotus var. angolensis | Revis. Gen. Pl. 3[3]: 177 (1898) | wfo-0001377792 | ||
| Senecio pimpinellifolius var. nubigena | Bot. Jahrb. Syst. 28(5): 634 (1901) | wfo-0000103206 | ||
| Senecio pinceus | Flora 27(2): 702 (1844) | wfo-0000094438 | ||
| Senecio pinifolius | Syn. Pl. 2(2): 436 (1807) | wfo-0000025858 | ||
| Senecio pinifolius | Chlor. Andina 1: 101 (1856) | wfo-0000007740 | ||
| Senecio pinnatifidus | Prodr. 6: 397, excl. syn. (1838) | wfo-0000073505 | ||
| Senecio pinnatifidus | Anales Univ. Chile 88: 19 (1894) | wfo-0000075854 | ||
| Senecio pinnatifolius var. latilobus | Muelleria 21: 45 (-47, 42; figs. 7b, 9) (2005) | wfo-0000003865 | ||
| Senecio pinnatifolius var. pinnatifolius | – | – | wfo-0000112097 | |
| Senecio pinnatulus | Nomencl. Bot. 2: 564 (1841) | wfo-0000117721 | ||
| Senecio pinnatus | Flora 28: 499 (1845) | wfo-0000077346 | ||
| Senecio pinnatus | Fl. Mexic., ed. 2 185. 1894 | wfo-0000136494 | ||
| Senecio pinnatus var. citrinus | Revis. Gen. Pl. 3[3]: 177 (1898) | wfo-0001379477 | ||
| Senecio pinnatus var. glandulosus | Rep. Princeton Univ. Exped. Patagonia, Botany 8: 856 (1906) | wfo-0000111593 | ||
| Senecio pinnatus var. rubescens | Revis. Gen. Pl. 3[3]: 177 (1898) | wfo-0001379476 | ||
| Senecio pinnatus var. sulfureus | Revis. Gen. Pl. 3[3]: 177 (1898) | wfo-0001379475 | ||
| Senecio pinnatus var. tenuisectus | Abh. Königl. Ges. Wiss. Göttingen 24, Physic. Classe, 204 (1879) | wfo-0001377794 | ||
| Senecio piptocoma | Bull. Herb. Boissier i. (1893) 87. i. 87. 1893 | — | wfo-0000133395 | |
| Senecio piscicellianus | Bot. Jahrb. Syst. 49(3-4): 511 (1913) | wfo-0000127768 | ||
| Senecio pisidicus | Diagn. Pl. Orient. , ser. 2, 3: 35 (1856) | wfo-0000042327 | ||
| Senecio pithosillum | Prodr. 6: 375 (1838) | wfo-0000084812 | ||
| Senecio piurensis | Hickenia 1(58): 313 (1982). | wfo-0000084569 | ||
| Senecio placillae | Nomencl. Bot. 2: 564 (1841) | wfo-0000064849 | ||
| Senecio plantagineus | Mem. Reale Accad. Sci. Torino xxxviii. (1835) 32 | wfo-0000136128 | ||
| Senecio plantagineus | Deutschl. Fl. (Sturm), ed. 2. 3: 95 (1900) | wfo-0000027167 | ||
| Senecio platycodon | Fl. Bras. 6(3): 307 (1884) | wfo-0000122690 | ||
| Senecio platyphylloides var. seneciphyllinifera | Byull. Moskovsk. Obshch. Isp. Prir., Otd. Biol. 98(1): 97 (1993) (1993) | wfo-0001390204 | ||
| Senecio platyphyllus var. glandulosus | Notes Roy. Bot. Gard. Edinburgh 33(2): 257 (1974) | wfo-0001386812 | ||
| Senecio platzii | Bot. Jahrb. Syst. 43(1-2): 67 (1909) | wfo-0000086791 | ||
| Senecio plebeius | Fl. Nov.-Zel. 1: 142 (1852) | wfo-0000087861 | ||
| Senecio plumbeus | Pl. Wright. 2: 515 (1862) | wfo-0000025399 | ||
| Senecio poculiferus | J. Bot. 42: 375. 1904 | wfo-0000033053 | ||
| Senecio podolianus | Fl. USSR (English translation ed. G. Panigrahi) 26: 822 (1995), nom. nov. | wfo-0000070601 | ||
| Senecio poeppigii | Chlor. Andina 1: 118 (1856) | — | wfo-0000126708 | |
| Senecio poggeanus | Bot. Jahrb. Syst. 59(4, Beibl. 133): 25 (1924) | wfo-0000089163 | ||
| Senecio pohlii | – | — | wfo-0000002631 | |
| Senecio pokohinuensis | Ukrayins'k. Bot. Zhurn. 79(3): 127. 2022 | wfo-1000031007 | ||
| Senecio polifolius | Syst. Veg., ed. 13. 632. 1774 | wfo-0000034436 | ||
| Senecio pollicaris | Hortus Maurit. : 188 (1837) | wfo-0000013426 | ||
| Senecio polycotomus | – | — | wfo-0001285643 | |
| Senecio polylepis | Linnaea 34: 536, nomen (1866) | wfo-0000001223 | ||
| Senecio polymorphus | Flora 27(2): 702 (1844) | wfo-0000003848 | ||
| Senecio polyphlebius | Mem. Amer. Acad. Arts , n.s., 8: 515 (1862) | wfo-0000011351 | ||
| Senecio polypodioides | Index Kew. Suppl. I. 393. 1906 | wfo-0001239220 | ||
| Senecio polypodioides | Amer. J. Sci. , ser. 3, 50: 156 (1895) | wfo-0000024309 | ||
| Senecio polytomus subsp. squarrosus | Cact. Succ. J. (Los Angeles) 62(6): 282 (1990) | wfo-0001366247 | ||
| Senecio ponticus | Supl. Consp. Fl. Romaniei 199. 1909 | wfo-0000046333 | ||
| Senecio potamogetonifolius | Berberides Americae Australis 54 1857 | — | wfo-0000011949 | |
| Senecio potosinus | Monogr. Senecio 1: 25. 1901 | wfo-0000118050 | ||
| Senecio poyasensis | Brittonia 8: 188 (-189) (1956) | wfo-0000117426 | ||
| Senecio pratensis | Trudy Imperatorskago S.-Peterburgskago Botanicheskago Sada 25(2): 700-701 1907 | — | wfo-0000007703 | |
| Senecio pratensis | Verh. Mitth. Siebenbürg. Vereins Naturwiss. Hermannstadt x. (1859) 61 | wfo-0000129634 | ||
| Senecio pratensis var. delfini | Anales Univ. Chile 113: 371 (1903) | wfo-0000102995 | ||
| Senecio praticola | Fl. France 8: 316, in syn. (1903) | wfo-0000002719 | ||
| Senecio pre | – | — | wfo-0000014922 | |
| Senecio prenanthiflorus | Rep. Sci. Res. Voy. Challenger, Bot. 1: 75. 1885 | wfo-0000059398 | ||
| Senecio pretioides | – | — | wfo-0000081438 | |
| Senecio prichardii | J. Bot. 42: 375 (1904) | wfo-0000059846 | ||
| Senecio primulifolius | Nuovo Giorn. Bot. Ital. ser. 2, 2: 89. 1895 | wfo-0000038264 | ||
| Senecio pringlei | Proc. Amer. Acad. Arts 22: 307 (1887) | wfo-0000018083 | ||
| Senecio prinophyllus | – | wfo-0001349511 | ||
| Senecio procerus | – | — | wfo-0000075696 | |
| Senecio procerus | Prodr. Stirp. Chap. Allerton : 197 (1796) | wfo-0000124748 | ||
| Senecio procerus subsp. congestus | Fl. Bulg., ed. 2 1019. 1933 | wfo-0001361365 | ||
| Senecio procerus var. auratus | Fl. Bulg., ed. 2 1018. 1933 | wfo-0001384843 | ||
| Senecio procerus var. gracilis | Fl. Bulg., ed. 2 1019. 1933 | wfo-0001384851 | ||
| Senecio procerus var. grandidentatus | Fl. Bulg., ed. 2 1019. 1933 | wfo-0001384847 | ||
| Senecio procerus var. neglectus | Fl. Bulg., ed. 2 1018. 1933 | wfo-0001384845 | ||
| Senecio procerus var. subcapitatus | Magyar Bot. Lapok 33(1): 46 (1934) | wfo-0001384849 | ||
| Senecio proculifer | Journal of Botany, British and Foreign 42: 375 1904 | — | wfo-0000092610 | |
| Senecio promaucanus | Anales Univ. Chile 88: 283 (1894) | wfo-0000007869 | ||
| Senecio propior | J. Linn. Soc., Bot. xl. 118 (1911) | wfo-0000087122 | ||
| Senecio proprius | Deutsche Bot. Monatsschr. 1(4): 58 (-59) (1883) | wfo-0000073113 | ||
| Senecio provincialis var. corbariensis | Coll. Patrim. Nat. xvi (1993): (1993) | wfo-0001390106 | ||
| Senecio psammocecus | Notas Prelim. Mus. La Plata 3: 119. 1934 | wfo-0001328760 | ||
| Senecio psammophilus var. dusenii | Rep. Princeton Univ. Exped. Patagonia, Botany 8: 857 (1906) | wfo-0001377797 | ||
| Senecio pseudaureus f. ecoronatus | Rhodora 30: 225 (1928) | wfo-0001321116 | ||
| Senecio pseudo | – | — | wfo-0000033234 | |
| Senecio pseudo-china | Bot. Repos. t. 291. | wfo-0000089216 | ||
| Senecio pseudodensiserratus | Phytotaxa 350(2): 161. 2018 | wfo-1000007568 | ||
| Senecio pseudodepressus | Syst. Bot. 38(2): 517 (2013) | wfo-0001337118 | ||
| Senecio pseudodiscoideus | Cat. Pl. Vasc. Chil. 183, nomen. | wfo-0000033943 | ||
| Senecio pseudogerardi | Fl. France 8: 328, in syn. (1903) | wfo-0000037576 | ||
| Senecio pseudopohlii | Arch. Jard. Bot. Rio de Janeiro 15: 238, fig. 25 (1957) | wfo-0000088311 | ||
| Senecio pseudopormosus | – | — | wfo-0001129211 | |
| Senecio pseudosylvaticus | Fl. Sicul. 2(1): 68 (1903) | wfo-0000037465 | ||
| Senecio pseudotamoides | Vierteljahrsschr. Naturf. Ges. Zürich 1929, lxxiv. 124. | wfo-0000027873 | ||
| Senecio pseudovernalis | Consp. Fl. Eur. 2: 357 (1879) | wfo-0000042137 | ||
| Senecio psidiifolius | Mem. Torrey Bot. Club 6: 66 (1896) | wfo-0000071509 | ||
| Senecio psilocarpus | Muelleria 8(2): 113 (1994) | wfo-0000043435 | ||
| Senecio psilophyllus | Muelleria 19: 189 (-190; fig. 42) (2004) | wfo-0000038255 | ||
| Senecio ptarmicifolius | Voy. îles Afrique 3: 110 (1804) | wfo-0000130958 | ||
| Senecio pterocarpus | Nomencl. Bot. 2: 564, sphalm. (1841) | wfo-0000093030 | ||
| Senecio pteroneurus | – | — | wfo-0000026016 | |
| Senecio pterophorus var. pterophorus | – | – | — | wfo-0000099653 |
| Senecio pterophorus var. verus | Flora Capensis 3 1865 | wfo-0001373090 | ||
| Senecio pubescens | J. Bot. 13: 228. 1875 | wfo-0000043236 | ||
| Senecio pucapampaensis | Arnaldoa 15(2): 212 (-215; fig. 2) (2009) | wfo-0001331556 | ||
| Senecio puchi | Anales Mus. Nac. Santiago de Chile 1891: 45 (1891) | wfo-0000105178 | ||
| Senecio puffini | J. Arnold Arbor. xxvii. 174 (1946) | wfo-0000008081 | ||
| Senecio pulchellus var. trichopus | Chlor. Andina 1: 100 (1856) | wfo-0001377798 | ||
| Senecio pulcher f. albiflorus | Comun. Mus. Ci. Tecnol. P.U.C.R.S., Ser. Bot. 2: 8, fig. 1996 | wfo-0001403295 | ||
| Senecio pulviniformis | Bot. Jahrb. Syst. 21(3): 359 (1895) | wfo-0000036545 | ||
| Senecio pumilus | Prodr. 6: 297 (1838) | wfo-0000062399 | ||
| Senecio punctarenicus | Beih. Bot. Centralbl., Abt. 2. 32(2): 347. 1914 | wfo-0000086457 | ||
| Senecio punduahensis | Beitr. Fl. Aethiop. : 159 (1867) | wfo-0000030691 | ||
| Senecio purpureus | Ann. Bot. (Usteri) 18: 51 (1796) | wfo-0000029161 | ||
| Senecio purshianus var. viridescens | Midl. Naturalist (Notre Dame) 1: 207 (1910) | wfo-0001377800 | ||
| Senecio pusillus | Voy. Astrolabe 2: 99. 1834 | wfo-0000124491 | ||
| Senecio pusillus | Prodr. 6: 341 (1838) | wfo-0000088936 | ||
| Senecio pygmophyllus | PhytoKeys 132: 121. 2019 | wfo-0001354568 | ||
| Senecio pyrenophilus | Collect. Bot. (Barcelona) 3: 266 (1953) | wfo-0000040748 | ||
| Senecio pyrifolius | Proc. Amer. Acad. Arts xlvii. 215 (1911) | wfo-0000079738 | ||
| Senecio pyrifolius | Fl. Bras. 6(3): 318 (1884) | wfo-0000009471 | ||
| Senecio pyrolifolius | Bull. Géogr. Bot. 24: 282 (1914) | wfo-0000035275 | ||
| Senecio pyroloides | Bot. Jahrb. Syst. 32(1): 20, nomen. (1902) | wfo-0000139265 | ||
| Senecio pyrrhopappus | Flora 28: 50 (1845) | wfo-0000065689 | ||
| Senecio qosqoensis | Revista Peru. Biol. 24(2): 208. 2017 [20 Jul 2017] [epublished] | wfo-1000038196 | ||
| Senecio quartziticola | Notul. Syst. (Paris) 10: 107 (1942) | wfo-0001129151 | ||
| Senecio quenselii | Kongl. Svenska Vetensk. Acad. Handl. 56(5): 323, fig. 23 (1916) | wfo-0000091327 | ||
| Senecio quercifolius | Nomencl. Bot. : 765 (1821) | wfo-0000077875 | ||
| Senecio quillotensis | Linnaea 29: 3 (1858) | wfo-0000126744 | ||
| Senecio quinquangulatus | Flora 28: 500 (1845) | wfo-0000073683 | ||
| Senecio quinqueradiatus | – | — | wfo-0000122160 | |
| Senecio quinqueradiatus | Prodr. 7(1): 300 (1838) | wfo-0000011734 | ||
| Senecio rabani | Compos. Ind. : 202 (1876) | wfo-0000052299 | ||
| Senecio racemosus subsp. kirghisicus | Novon 23(2): 141 (2014) | wfo-0001363214 | ||
| Senecio racemosus var. schelkovnikovii | Sched. Herb. Pl. Orient. Exsicc. [Grossheim & Schischkin] fasc. 7: 44, sub no. 173. 1924 as “Shelkovnikovi”) | wfo-0001381210 | ||
| Senecio radiatus | Brittonia 12: 187 (1960) | wfo-0000087344 | ||
| Senecio radulifolius | Flora 28: 498 (1845) | wfo-0000063193 | ||
| Senecio rancaguensis | Fl. Chil. 4(2): 169 (1849) | wfo-0000002103 | ||
| Senecio rancoensis | Cat. Pl. Vasc. Chil. 183, nomen. | wfo-0000041897 | ||
| Senecio ranconensis | J. Linn. Soc., Bot. 27: 490. 1891 | wfo-0000069612 | ||
| Senecio ranconensis | J. Linn. Soc., Bot. 27: 496. 1891 | wfo-0000127985 | ||
| Senecio rangei | Repert. Spec. Nov. Regni Veg. 23: 232 (1926) | wfo-0000115396 | ||
| Senecio raphanifolius | Numer. List [Wallich] n. 3125. 1831 | wfo-0000010056 | ||
| Senecio rapistroides | Prodr. 6: 346 (1838) | wfo-0000011575 | ||
| Senecio rariflorus | Linnaea 17: 47 (1843) | wfo-0000018542 | ||
| Senecio rauhii | Brittonia 12: 191 (1960) | wfo-0000046481 | ||
| Senecio rauranus | Brittonia 12: 190 (1960) | wfo-0000000957 | ||
| Senecio ravidus | Trudy Imp. S.-Peterburgsk. Bot. Sada xiii. (1893) 4. | wfo-0000078154 | ||
| Senecio redivivus | Kew Bull. 30(2): 418 (1975) | wfo-0000025424 | ||
| Senecio reedii | Anal. Univ. II. 182. 1870 | wfo-0000097008 | ||
| Senecio reflexifolius | Fieldiana, Bot. 27: 44 (1950) | wfo-0000114398 | ||
| Senecio refractisquamatus var. intermedia | Fl. Parc. Nat. Albert 2: 578 1947 | — | wfo-0000073756 | |
| Senecio regiomontanus | Prodr. 6: 429 (1838) | wfo-0000033360 | ||
| Senecio regularis | Flora 27(2): 695 (1844) | wfo-0000018535 | ||
| Senecio reinoldii | Handb. N. Zeal. Fl. 734. 1867 | wfo-0000115097 | ||
| Senecio reisackii | Consp. Fl. Eur. , Suppl. 2(1): 165 (1889) | wfo-0000035193 | ||
| Senecio remifolius | Contr. U.S. Natl. Herb. 16: 194 (1913) | wfo-0000035199 | ||
| Senecio repandus | Ann. Bot. Syst. 5(3): 341 (1859) | wfo-0000062683 | ||
| Senecio repens | Sukkulentenk. 4: 91. 1951 | wfo-0000009156 | ||
| Senecio repens | Fl. Hautes-Pyrénées : 507 (1867) | wfo-0000003807 | ||
| Senecio resedifolius var. columbiensis | Syn. Fl. N. Amer. 1(2): 390 (1884) | wfo-0001377804 | ||
| Senecio resinosus | – | — | wfo-0000043173 | |
| Senecio reticulatus | Compos. Ind. : 199 (1876) | wfo-0000033929 | ||
| Senecio retusus | Numer. List [Wallich] n. 3142. 1831 | wfo-0000036502 | ||
| Senecio rhizocephalus | – | wfo-0000083224 | ||
| Senecio richardianus | Prodromus 6 1838 | wfo-0000067375 | ||
| Senecio richii var. latior | Ann. Missouri Bot. Gard. 25: 817 (1938) | wfo-0001377805 | ||
| Senecio ricoensis | Feddes Repert. Spec. Nov. Regni Veg. 55: 144 (1953) | wfo-0000013936 | ||
| Senecio rigidifolius | Bol. Soc. Venez. Ci. Nat. 10(68): 318 (1946) | wfo-0000043564 | ||
| Senecio rigidus | Handb. Sukkulent. Pfl. 1: 310. 1954 | wfo-0000115739 | ||
| Senecio riloensis | Phytotaxa 572(2): 144. 2022 [10 Nov 2022] [epublished] | wfo-1000041506 | ||
| Senecio ringens | Nomencl. Bot. 2: 564 (1841) | wfo-0000061448 | ||
| Senecio riojanus var. radiatus | Fl. Patagonica. 7: 265. 1971 | wfo-0001416171 | ||
| Senecio riparius | Prodr. Stirp. Chap. Allerton : 197 (1796) | wfo-0000007964 | ||
| Senecio rivalis | Publ. Field Columb. Mus., Bot. Ser. 2: 326 (1912) | wfo-0000004867 | ||
| Senecio rivularis | Geogr. Enum. Pl. Comit. Castriferrei 190 (1887) | wfo-0000084984 | ||
| Senecio rivularis var. glabriusculus | Chlor. Andina 1: 135 (1856) | wfo-0001377806 | ||
| Senecio robbinsii f. invenustus | Rhodora 30: 225 (1928) | wfo-0001321118 | ||
| Senecio rolandi-bonaparte | Rev. Bot. Syst. Géogr. Bot. 2: 20, hybr. (1904) | wfo-0000070063 | ||
| Senecio romeroides | Fieldiana, Bot. 27: 45 (1950) | wfo-0000063926 | ||
| Senecio roripaefolius | – | — | wfo-0001251214 | |
| Senecio rosellatus | Rapp. Annuel Trav. Soc. Hist. Nat. Ile Maurice 6: 26. 1835 | wfo-0000116439 | ||
| Senecio rosellatus var. olivaceus | Memoires de la Societe Linneenne de Normandie 25: 137 1923 | — | wfo-0000110150 | |
| Senecio roseoandinus | Phytotaxa 347(3): 219. 2018 | wfo-1000007569 | ||
| Senecio rosinae | Candollea 32(1): 70 (1977) | wfo-0000036069 | ||
| Senecio rostellatus | Nomencl. Bot. 2: 564, sphalm. (1841) | wfo-0000118822 | ||
| Senecio rosulatus var. coryphocola | Ann. Missouri Bot. Gard. 5: 50 (1918) | wfo-0001377808 | ||
| Senecio rothrockii | Bot. Jahrb. Syst. 32(1): 20, nomen. (1902) | wfo-0000111552 | ||
| Senecio rubricaulis | Pittonia 3(14): 89. 1896 [1 Jun 1896] | wfo-0000137988 | ||
| Senecio rubricaulis var. aphanactis | Ann. Missouri Bot. Gard. 3: 174 (1916) | wfo-0001377809 | ||
| Senecio rudbeckiifolius f. foliangustus | Anales Univ. Madrid, Ci. 4, fasc. 2: 243 [reprint page (1935) | wfo-0001321119 | ||
| Senecio rudis | Bull. Soc. Imp. Naturalistes Moscou 24(II): 88 (1851) | wfo-0000059306 | ||
| Senecio rumicifolius | Leopoldina 24: 126. 1888 | wfo-0000080134 | ||
| Senecio rumicifolius | J. Linn. Soc., Bot. 18: 392. 1881 | wfo-0000021638 | ||
| Senecio rupestris f. pinnatifidus | Ill. Fl. Mitt.-Eur. 6(2): 780 (1928) | wfo-0001322207 | ||
| Senecio rupestris var. calabrus | Giorn. Bot. Ital. 111(1-2): 57 (1977) | wfo-0001386813 | ||
| Senecio rupicola | Voy. Astrolabe 2: 119. 1834 | wfo-0000034417 | ||
| Senecio rupicolus | Enum. Fl. Transs. (1886) 324. | — | wfo-0000073656 | |
| Senecio rzedowskii | Phytologia 57(4): 275 (1985) | wfo-0000023019 | ||
| Senecio saccoso-flabellatus | Repert. Spec. Nov. Regni Veg. 12: 283 (1913) | wfo-0000130158 | ||
| Senecio sadleri | Fl. Germ. Excurs. : 245 | wfo-0000033457 | ||
| Senecio sagasteguii | Revista Peru. Biol. 24(2): 206. 2017 [20 Jul 2017] [epublished] | wfo-1000038195 | ||
| Senecio sagittarius | Beitr. Fl. Aethiop. : 159 (1867) | wfo-0000065118 | ||
| Senecio sailapatensis | Fieldiana, Bot. 27(2): 52 (-53) (1951) | wfo-0000002625 | ||
| Senecio sakalavorum | Compos. Madagascar 147, 306 (1923) | wfo-0000103087 | ||
| Senecio salicetorum | Fl. Lorraine 2: 11 (1843) | wfo-0000034330 | ||
| Senecio salicifolius | Sched. Crit. : 478 (1822) | wfo-0000030032 | ||
| Senecio salsuginosus | Spisok Rast. Gerb. Fl. S.S.S.R. Bot. Inst. Vsesojuzn. Akad. Nauk 11: 164. 1949 | wfo-0000037508 | ||
| Senecio saluenensis | Fl. Indo-Chine 3: 637 (1924) | wfo-0000010659 | ||
| Senecio salzmannii | Fl. France 8: 340 (1903) | wfo-0000073848 | ||
| Senecio samanensis | Repert. Spec. Nov. Regni Veg. 18: 374 (1922) | wfo-0000090840 | ||
| Senecio sanctae-martae | Ann. Missouri Bot. Gard. 10: 91 (1923) | wfo-0000135002 | ||
| Senecio sandersianus | Sida 20(1): 175 (2002). | wfo-0000011758 | ||
| Senecio sandwicensis | Linnaea 6: 526 (1831) | wfo-0000016796 | ||
| Senecio sanmarcosensis | Arnaldoa 15(2): 211 (-212; fig. 1) (2009) | wfo-0001331555 | ||
| Senecio santurbanensis | Feddes Repert. Spec. Nov. Regni Veg. 55: 145 (1953) | wfo-0000135222 | ||
| Senecio saracenicus | Consp. 353. | wfo-0000012341 | ||
| Senecio saracenicus | Syn. Fl. Germ. Helv. 1(2): 390 (1837) | wfo-0000130178 | ||
| Senecio sarawschanicus | Trudy Imp. S.-Peterburgsk. Bot. Sada xiv. (1895) 153. | wfo-0000003009 | ||
| Senecio sarcobasis | Prodr. 6: 300 (1838) | wfo-0000137069 | ||
| Senecio sarcophyllus | Nomencl. Bot. [Steudel], ed. 2. 2: 565. 1841 | wfo-0000137707 | ||
| Senecio sareptanus | Deutsche Bot. Monatsschr. 1(3): 39 (1883) | wfo-0000045022 | ||
| Senecio sarmentosus | 1867 | — | wfo-0000005196 | |
| Senecio sarmentosus | Beitr. Fl. Aethiop. : 159 (1867) | wfo-0000122404 | ||
| Senecio sarracenicus | Fl. Bad. iii. 443 | wfo-0000020851 | ||
| Senecio satipoensis | Brittonia 12: 191 (1960) | wfo-0000066475 | ||
| Senecio saugetii | Contr. Ocas. Mus. Hist. Nat. Colegio "De La Salle" n.° 18: 12 (1960) | wfo-0000028754 | ||
| Senecio saundersii | – | — | wfo-0001130857 | |
| Senecio savatieri | Pl. David. i. (1884) 175 (1884) | wfo-0000094595 | ||
| Senecio saxatilis | Trudy Tiflissk. Bot. Sada 2: 287 (1897) | wfo-0000116144 | ||
| Senecio saxatilis | Numer. List : n.° 3131 (1831) | wfo-0000029343 | ||
| Senecio saxipunae | Fieldiana, Bot. 27, n.° 2: 69 (1951) | wfo-0000026703 | ||
| Senecio saxosus var. toiyabensis | Ann. Missouri Bot. Gard. 5: 60 (1918) | wfo-0000100472 | ||
| Senecio scaber | Sp. Pl., ed. 4 , 3: 1977 (1803) | wfo-0000033695 | ||
| Senecio scabrosus | Fl. Nov.-Zel. 1: 147 (1852) | wfo-0000044551 | ||
| Senecio scalaris var. scalaris | – | — | wfo-1200068510 | |
| Senecio scandens | - | wfo-0000007090 | ||
| Senecio scandens f. incisus | Acta Phytotax. Geobot. 42: 56 (1991) | wfo-0001323338 | ||
| Senecio scandens var. hulienensis | Quart. J. Chin. Forest. 8(4): 133 (1975) | wfo-0001386814 | ||
| Senecio scanorensis | Nomencl. Bot. : 765 (1821) | wfo-0000026172 | ||
| Senecio scapiger | Syst. Veg. ed. 16 3: 559 (1826) | wfo-0000085744 | ||
| Senecio scapigera | Systema Vegetabilium 3 1826 | wfo-0000065913 | ||
| Senecio scapiodes | Kew Bull. 75(2)-35: 2. 2020 | wfo-1000024726 | ||
| Senecio schaffneri | – | wfo-0000125152 | ||
| Senecio scheuchzeri | Fl. Helv. v. 294 | wfo-0000034046 | ||
| Senecio schimperi | Flora 24(1, Intelligenzbl.): 27, no | wfo-0000129285 | ||
| Senecio schinzianus | Bot. Jahrb. Syst. 43(1-2): 61 (1909) | wfo-0000040560 | ||
| Senecio schinzii | Bull. Herb. Boissier i. (1893) 86. i. 86. 1893 | — | wfo-0000138649 | |
| Senecio schischkinii | Bot. Mat. Herb., Bot. Inst. Akad. Sc. USSR 7(Aster. Not. Syst.): 138. 1938 , in syn. | wfo-0000059320 | ||
| Senecio schizophyllus | – | — | wfo-0000018531 | |
| Senecio schizotrichus | Publ. Field Mus. Nat. Hist., Bot. Ser. 18: 1518. 1938 | wfo-0000088502 | ||
| Senecio schkuhrii | Prodr. 6: 359 (1838) | wfo-0000009730 | ||
| Senecio schoenleinii | Bot. Jahrb. Syst. 17(3-4): 282, 292. 1893 ; et in 18: 443, 465. 1894. | wfo-0000032682 | ||
| Senecio schultesii | Sert. Pl. t. 59, sphalm. (1844) | wfo-0000025936 | ||
| Senecio schulzeanus | Bot. Jahrb. Syst. 17(3-4): 282, 292 (1893) | wfo-0000016940 | ||
| Senecio schwetzowii | Fl. Iugo-Vost. Evr. Chasti SSSR Fasc. vi. 370, rossice. 1936 | wfo-0000010335 | ||
| Senecio scopolii | Comp. Fl. German. 2: 380 (1825) | wfo-0000045596 | ||
| Senecio scopulinus | Pittonia 4(22): 117 (1900) | wfo-0000078599 | ||
| Senecio scorpioides | Flora 28: 498 (1845) | wfo-0000034883 | ||
| Senecio scotifolius | Anales Univ. Chile lxxxviii. (1894) 28 | wfo-0000000692 | ||
| Senecio sechellensis | Fl. Mauritius : 178 (1877) | wfo-0000012388 | ||
| Senecio sect. Crociseris | – | — | wfo-1000044028 | |
| Senecio sect. Culcitioides | – | — | wfo-1200027471 | |
| Senecio sect. Flexicaulis | Kew Bull. 39(2): 417. 1984 [13 Jul 1984] | wfo-3400008108 | ||
| Senecio sect. Sarracenici | – | wfo-3400010148 | ||
| Senecio sect. Streptothamni | – | — | wfo-1000044050 | |
| Senecio sect. Syllepis | – | wfo-1000044092 | ||
| Senecio sect. Triana | – | — | wfo-1000044072 | |
| Senecio semidentatus f. semidentatus | – | – | — | wfo-0000051917 |
| Senecio semidentatus var. semidentatus | – | – | — | wfo-0000056206 |
| Senecio seminudus | Ann. Gen. Sci. Phys. 1: 303, t. 12. 1819 | wfo-0000118415 | ||
| Senecio semperflorens | Bot. Mat. Med. iv. 210 (1812) | wfo-0000043791 | ||
| Senecio ser. Nemorenses | – | — | wfo-1000041375 | |
| Senecio ser. Repentes | Phytotaxa 340(1): 31. 2018 | wfo-1000007570 | ||
| Senecio serpentinicola | Candollea 58(2): 451 (2003) (2003) | wfo-0000029792 | ||
| Senecio serra | Abh. Königl. Akad. Wiss. Berlin 1891: 446 (1892) | wfo-0000042132 | ||
| Senecio serra subsp. lanceolatus | Contr. U.S. Natl. Herb. 11: 601 (1906) | wfo-0001359806 | ||
| Senecio serra var. andinus | Mem. New York Bot. Gard. 1: 439 (1900) | wfo-0001377810 | ||
| Senecio serratulifolius | Syll. Pl. Nov. ii. (1828) 176 | wfo-0000067455 | ||
| Senecio serratus | J. Linn. Soc., Bot. 18: 392 (1881) | wfo-0000088766 | ||
| Senecio setulosus | Abh. Naturf. Ges. Halle 15: 330 (1882). | wfo-0000022779 | ||
| Senecio shaferi | Publ. Field Columb. Mus., Bot. Ser. 2: 326 (1912) | wfo-0000023056 | ||
| Senecio shaoakoulatus | New Taxa New Names 3: 277. 2020 | wfo-1000024727 | ||
| Senecio sheldonensis | Canad. Field-Naturalist 64: 43 (1950) | wfo-0000003563 | ||
| Senecio shelkovnikovi | Trud. Azerbaidzhansk. Otd. Zakavkazsk. Fil. Akad. Nauk S.S.S.R. i. 60. (1933).in syn. | wfo-0000137186 | ||
| Senecio shikokianus | Bot. Mag. (Tokyo) 12: 80 (1898) | wfo-0000069650 | ||
| Senecio shirleyanus | Biblioth. Bot. 22(89): 686 (1929) | wfo-0000091125 | ||
| Senecio sibiricus | Rep. Bot. Exch. Club Brit. Isles 3(5): 424 (1914) | wfo-0000022906 | ||
| Senecio sibiricus | Suppl. Pl. : 370 (1782) | wfo-0000021640 | ||
| Senecio siculus | Prodr. 6: 351 (1838) | wfo-0000099841 | ||
| Senecio siculus var. nemoralis | Giorn. Bot. Ital. 111(1-2): 57 (1977) | wfo-0001386815 | ||
| Senecio sieberianus | Prodromus 6 1838 | wfo-0000030117 | ||
| Senecio sieboldii | Flora 28: 50 (1845) | wfo-0000006113 | ||
| Senecio siegfriedii | Jahresber. Naturf. Ges. Graubündens II. xxiii-xxiv. (1880) 106. | wfo-0000028711 | ||
| Senecio sieheanus | Bull. Jard. Bot. Petersb. 5: 135. | wfo-0000137492 | ||
| Senecio silphifolius | Proc. Acad. Nat. Sci. Philadelphia 1898: 408 (1898) | wfo-0000095347 | ||
| Senecio simplicissimus | Rapp. Annuel Trav. Soc. Hist. Nat. Ile Maurice 6: 26. 1835 | wfo-0000126658 | ||
| Senecio simpsonii | Anales Univ. Chile 88: 257 (1894) | wfo-0000096040 | ||
| Senecio sinforosii | Trab. Mus. Nac. Ci. Nat., Ser. Bot. n.° 27, Cuadro 5 (1934), nome | wfo-0000124581 | ||
| Senecio sinuatidens | Flora 27(2): 474 (1844) | wfo-0000028341 | ||
| Senecio sinuatus | Hist. Pl. Europe 2: 245 (1798) | wfo-0000083721 | ||
| Senecio sipoccruncus | Bol. Soc. Argent. Bot. 16(4): 386 (-387), fig. 5 (1975) | wfo-0000003982 | ||
| Senecio sisparensis | Phytotaxa 637(2): 207 2024 | wfo-1000061182 | ||
| Senecio slovacus | Biologia (Bratislava), Sect. Bot. 57(1): 80 (2002) | wfo-0000089475 | ||
| Senecio smallii f. tristis | Rhodora 47: 302 (1945) | wfo-0001321121 | ||
| Senecio smithianus | Notas Mus. La Plata, Bot. 15, Bot. n.° 75: 104, fig. 14 (1950) | wfo-0000020931 | ||
| Senecio sodiroi | Bot. Jahrb. Syst. 29(1): 73 (1900) | wfo-0000027712 | ||
| Senecio sodirscandens | Fieldiana, Bot. 27: 45 (1950) | wfo-0000071918 | ||
| Senecio solanderi | Trans. & Proc. Roy. Soc. N. Z. 65: 229. 1935 | wfo-0000119817 | ||
| Senecio solanoides | Flora 27(2): 702 (1844) | wfo-0000130304 | ||
| Senecio solidagoides | Memoirs of the New York Botanical Garden 1: 439 1900 | — | wfo-0000086382 | |
| Senecio solitarius | Mem. New York Bot. Gard. 1: 444 (1900) | wfo-0000093528 | ||
| Senecio sonchoides | Rad Jugoslav. Akad. Znan. 58: 145. 1881 | wfo-0000045347 | ||
| Senecio songaricus | Enum. Pl. Nov. 1: 52 (-53) (1841) | wfo-0000114995 | ||
| Senecio sonnei | Fl. Francisc. : 467 (1897) | wfo-0000080903 | ||
| Senecio sonneratii | Nomencl. Bot. 2: 565 (1841) | wfo-0000134213 | ||
| Senecio sonsonensis | Feddes Repert. Spec. Nov. Regni Veg. 55: 147 (1953) | wfo-0000078448 | ||
| Senecio soongaricus | Enum. Pl. Nov. 62. | — | wfo-0000138406 | |
| Senecio soratae | Linnaea 34: 531, nomen (1866) | wfo-0000021656 | ||
| Senecio sordidus | Bot. Jahrb. Syst. 32(1): 20, nomen. (1902) | wfo-0000083973 | ||
| Senecio soukupii | Fieldiana, Bot. 27, n.° 2: 64 (1951) | wfo-0000138706 | ||
| Senecio sparsiflorus | Nomencl. Bot. 2: 565, sphalm. (1841) | wfo-0000091923 | ||
| Senecio spathulaefolius | Prodr. 6: 362 (1838) | wfo-0000139076 | ||
| Senecio spathulatus var. latifructus | Muelleria 21: 35 (32, 36; figs. 3c, 5) (2005) | wfo-0001382794 | ||
| Senecio spatulatus | Deut. Excurs.-Fl. 36 (1879), species aggreg. (1879) | wfo-0000042210 | ||
| Senecio spectabilis | Numer. List : n.° 3127 (1831) | wfo-0000121248 | ||
| Senecio speculicola | Leafl. W. Bot. 4: 64 (1944) | wfo-0000125806 | ||
| Senecio spedeni | Trans. & Proc. N. Z. Inst. 55: 434. 1924 | wfo-0000039187 | ||
| Senecio sphagnolioides | – | — | wfo-0000065750 | |
| Senecio spicatus | Hort. Brit. 304, nomen (1830) | wfo-0000088725 | ||
| Senecio spiculosus | Nat. Cact. & Succ. Journ. 11: 60. 1956 | wfo-0000071453 | ||
| Senecio squalidus | Fl. Taur.-Caucas. 2: 306 (1808) | wfo-0000012013 | ||
| Senecio squalidus | Sp. Pl., ed. 4 , 3: 1991 (1803) | wfo-0000071619 | ||
| Senecio squalidus | Mém. Soc. Linn. Paris 1: 366 (1822) | wfo-0000131311 | ||
| Senecio squalidus subsp. calabricus | Inform. Bot. Ital. 42(2): 531 (2010) | wfo-0001361887 | ||
| Senecio squalidus var. bipinnatifidus | Fl. Gr. Brit. Ireland 4: 556 (2006) | wfo-0001382920 | ||
| Senecio squalidus var. laciniatus | Fl. Gr. Brit. Ireland 4: 556 (2006) | wfo-0001382921 | ||
| Senecio squalidus var. pinnatifidus | Fl. Gr. Brit. Ireland 4: 556 (2006) | wfo-0001382917 | ||
| Senecio squamosus | Prodr. 6: 376 (1838) | wfo-0000059361 | ||
| Senecio stellato-pilosus | Collect. Bot. (Barcelona) 3: 264 (1953) | wfo-0000136250 | ||
| Senecio stellatopilosus | Collect. Bot. (Barcelona) 3: 264 (1953) | wfo-0000081621 | ||
| Senecio stenactis | Flora 28: 50 (1845) | wfo-0000008352 | ||
| Senecio stenodon var. deglabratus | Ark. Bot. 17, n.° 7: 66 (1921) | wfo-0000113044 | ||
| Senecio stenophyllus | – | — | wfo-0000009336 | |
| Senecio stenophyllus | Prodr. 6: 448 (1838) | wfo-0000063208 | ||
| Senecio stenophyllus | Proc. Amer. Acad. Arts 43: 20. 1907 | wfo-0000126513 | ||
| Senecio stenophyllus | Linnaea 28: 743 (1858) | wfo-0000068858 | ||
| Senecio stenophyllus | Enum. Fl. Transsilv. : 325 (1887) | wfo-0000026178 | ||
| Senecio steyermarkii | Fieldiana, Bot. 27(1): 32 (1950) | wfo-0000120164 | ||
| Senecio stipellatus | in Ergebn. Schwed. Exp. Magell. III. v. 245 | wfo-0000003368 | ||
| Senecio stipulatus | Fl. Flumin. Icon. 8: t. 113. 1831 [1827 publ. 29 Oct 1831] | wfo-0000029926 | ||
| Senecio stipulatus | Numer. List [Wallich] | wfo-0000027556 | ||
| Senecio stirthii | Anales Univ. Chile lxxxviii. (1894) 247 | wfo-0000005390 | ||
| Senecio storkii | Bull. Soc. Bot. France 101: 244 (1954) | wfo-0000043618 | ||
| Senecio streptanthifolius var. platylobus | Utah Fl., ed. 3. 228. 2003 | wfo-0001383025 | ||
| Senecio streptothamnus | Publ. Field Mus. Nat. Hist., Bot. Ser. 18(4): 1518. 1938 | wfo-0000041749 | ||
| Senecio strictus | Fl. Amer. Sept. (Pursh) 2: 529. 1813 [Dec 1813] | wfo-0000017292 | ||
| Senecio strictus | Prodr. 6: 343 (1838) | wfo-0000131534 | ||
| Senecio suaveolens | Hist. Pl. Europ. 2: 245. | wfo-0000096121 | ||
| Senecio suavis | Amer. Midl. Naturalist 2: 125 (1911) | wfo-0000065471 | ||
| Senecio subauriculatus | Ann. Missouri Bot. Gard. 1: 270 (1914) | wfo-0000118182 | ||
| Senecio subcordatus | Prodr. 6: 330 (1838) | wfo-0000003713 | ||
| Senecio subcorymbosus | Fl. Orient. 3: 405 (1875) | wfo-0000134580 | ||
| Senecio subculcitioides | Fieldiana, Bot. 27, n.° 2: 66 (1951) | wfo-0000066860 | ||
| Senecio subdentatus var. fasciculatus | Sched. Herb. Fl. Ross. 6(fasc. 33-40): n.° 1876 (1907) | wfo-0001380742 | ||
| Senecio subdiscoideus f. homogama | Anales Soc. Ci. Argent. 86: 334 (1918) | wfo-0001321122 | ||
| Senecio subensiformis | Prodr. 6: 363 (1838) | wfo-0000125830 | ||
| Senecio subinteger | Fl. France 8: 326, in syn. (1903) | wfo-0000050733 | ||
| Senecio sublutescens | Fieldiana, Bot. 27, n.° 2: 68 (1951) | wfo-0000010173 | ||
| Senecio sublyratus | Anales Univ. Chile lxxxviii. (1894) 365 | wfo-0000114881 | ||
| Senecio subnebrodensis | Termesz. Fuzetek 5: 51. 1881 | wfo-0000038422 | ||
| Senecio subnivalis | Compositae Newslett. 48: 47 (43-52; fig. 2a-3, map (2010) | wfo-0001331706 | ||
| Senecio suboppositifolius | Brittonia 8: 192 (1956) | wfo-0000080288 | ||
| Senecio subpanduratus | in Ergebn. Schwed. Exp. Magell. III. v. 108 | wfo-0000005125 | ||
| Senecio subradiatus | Flora 28: 500 (1845) | wfo-0000065970 | ||
| Senecio subruncinatus | – | — | wfo-0000032093 | |
| Senecio subsect. Erucifolii | – | wfo-3000002856 | ||
| Senecio subsquarrosus | Ann. Missouri Bot. Gard. 8: 97, pl. 1 (1922) | wfo-0000093377 | ||
| Senecio subulatus | Handb. Sukkulent. Pfl. 2: 1038. 1954 | wfo-0000035042 | ||
| Senecio subulatus var. subulatus | – | J. Bot. (Hooker) 3: 330 (1841) | wfo-0000086004 | |
| Senecio subulatus var. typicus | Notas Mus. La Plata, Bot. 1: 109 (1935) | wfo-0001377813 | ||
| Senecio subverticillatus | Prodr. 6: 430 (1838) | wfo-0000020148 | ||
| Senecio subvestitus | Erythea 3: 35 (1895) | wfo-0000131480 | ||
| Senecio succulentus | Fl. Aegypt.-Arab. : 149 (1775) | wfo-0000009953 | ||
| Senecio sudeticus | Prodr. 6: 359 (1838) | wfo-0000136076 | ||
| Senecio sulcicalyx | Bull. Misc. Inform. Kew 1914: 80 (1914) | wfo-0000137001 | ||
| Senecio sulinicus | Bol. Soc. Argent. Bot. 5: 45, fig. 7 (1953) | wfo-0000011333 | ||
| Senecio superbus | Bull. Soc. Roy. Bot. Belgique 49: 236 (1913). (1912 publ. 1913) | wfo-0000084464 | ||
| Senecio supernitens | Fieldiana, Bot. 27: 28 (-29) (1951) | wfo-0000082165 | ||
| Senecio swartzianus | Prodr. Index, 2: p. vi (1840) | wfo-0000139314 | ||
| Senecio sweetii | Alph. Aufz. Gew. : 656 (1847) | wfo-0000070525 | ||
| Senecio swynnertonii | J. Bot. 54: 283 (1916) | wfo-0000076313 | ||
| Senecio sycephyllus | J. Linn. Soc., Bot. 37: 324 (1906) | wfo-0000044112 | ||
| Senecio sykorae | PhytoKeys 39: 6 (2014) | wfo-0001339702 | ||
| Senecio sylvaticus | Reis. Russland (Gueldenst.) 2: 56. 1791 ; ex Ledeb. Fl. Ross. ii. 630 | wfo-0000094457 | ||
| Senecio sylvaticus | Prodr. 6: 353 (1838) | wfo-0000014013 | ||
| Senecio sylvestris | Bot. Taschenb. Anfanger Wiss. Apothekerkunst 254. | wfo-0000125415 | ||
| Senecio syrmiensis | Consp. Fl. Eur. 2: 357 (1879) | wfo-0000009220 | ||
| Senecio szyszylowiczii | Bot. Jahrb. Syst. 36(5): 508 (1905) | wfo-0000073226 | ||
| Senecio tabacina | – | — | wfo-0000122634 | |
| Senecio tabidus | Fl. Nov.-Zel. 1: 141 (1852) | wfo-0000122389 | ||
| Senecio tabularis | Flora 28: 500 (1845) | wfo-0000087848 | ||
| Senecio tacorensis | Bol. Soc. Argent. Bot. 10: 38, tab. 1B (1962) | wfo-0000025818 | ||
| Senecio taimyrensis | – | — | wfo-0000135623 | |
| Senecio talinoides subsp. cylindricus | Cact. Succ. J. (Los Angeles) 62(6): 283 (1990) | wfo-0001366250 | ||
| Senecio tampicanus | Smithsonian Contr. Knowl. 5(6): 89. 1853 [1 Feb 1853] ; Plantae Wrightianae | wfo-0000027850 | ||
| Senecio tanacetoides | Index Seminum (B, Berolinensis) : 12 (1845) | wfo-0000034526 | ||
| Senecio taraxacifolius var. discoideus | Notes Roy. Bot. Gard. Edinburgh 33(2): 257 (1974) | wfo-0001386816 | ||
| Senecio taraxacoides var. nudatus | Bull. Torrey Bot. Club 55: 76 (1928) | wfo-0001377814 | ||
| Senecio tasconensis | Soc. Sc. Tarn-et-Garonne -. 1853 ; Pl. Crit. Tarn, 27 | wfo-0000037053 | ||
| Senecio tasimensis | Fl. Symb. Orient.-Asiat. 49 (1930), in syn. | wfo-0000120313 | ||
| Senecio tasna | Prodr. Fl. Hispan. 2(1): 120 (1865) | wfo-0000062048 | ||
| Senecio taxifolius | – | — | wfo-0000090382 | |
| Senecio taxifolius | Encycl. , Suppl. 5: 133 (1817) | wfo-0000027054 | ||
| Senecio tchangchanensis | Bull. Soc. Bot. France 39: 299 (1893) | wfo-0000043950 | ||
| Senecio tchihatchewii | Asie Min., Bot. 2: 293 (-294) (1860) | wfo-0000078419 | ||
| Senecio telephifolius | Fragm. Bot. i. 1. t. 1. f. 3 | wfo-0000091028 | ||
| Senecio teliformis | Ann. Missouri Bot. Gard. 1: 275 (1914) | wfo-0000137879 | ||
| Senecio telmatophilus | Kunene-Sambesi-Exped. : 423 (1903) | wfo-0000112184 | ||
| Senecio telonensis | in Albert & Jaharediez, Cat. Pl. Vasc. Dep. Var 266. 1908 , hybr. | wfo-0000129867 | ||
| Senecio teneriffae | Bonplandia 8: 133 (1860) | wfo-0000009900 | ||
| Senecio tenuicaulis | Anales Univ. Chile 88: 11. 1894 | wfo-0000046419 | ||
| Senecio tenuiculus | Nomencl. Bot. 2: 565 (1841) | wfo-0000022316 | ||
| Senecio tenuiflorus | Prodr. 6: 296 (1838) | wfo-0000066324 | ||
| Senecio tenuifolius | Prodr. 6: 398 (1838) | wfo-0000095712 | ||
| Senecio tenuisagittatus | Collect. Bot. (Barcelona) 3: 277 (1953) | wfo-0000077042 | ||
| Senecio tenuiscapus | Rapp. Annuel Trav. Soc. Hist. Nat. Ile Maurice 6: 26. 1835 | wfo-0000097311 | ||
| Senecio tercentenarii | Addit. Fl. Jam. (Bull. Inst. Jam., Sci. Ser. No. 16) 75 (1967). | — | wfo-0000115964 | |
| Senecio teretifolius | Prodr. 6: 420 (1838) | wfo-0000033138 | ||
| Senecio teretifolius | Ann. Nat. Hofmus. Wien. 9: 368. 1894 , in syn. | wfo-0000072894 | ||
| Senecio tergopurpureus | Collect. Bot. (Barcelona) 3: 263 (1953) | wfo-0000042202 | ||
| Senecio tetrandrus | Numer. List : n.° 3129 (1831) | wfo-0000093250 | ||
| Senecio thomberi | Ann. Missouri Bot. Gard. iv. 23 (1917). | — | wfo-0000061099 | |
| Senecio thompsoniensis | – | — | wfo-0000042060 | |
| Senecio thorbeckei | Bot. Jahrb. Syst. 59(4, Beibl. 133): 28 (1924) | wfo-0000124945 | ||
| Senecio thsiturungensis | Pl. Bequaert. v. 125 (1929). | wfo-0001328697 | ||
| Senecio thunbergianus | Blumenbachia 41. t. 4. f. 2. | wfo-0000118685 | ||
| Senecio thuretii | in Burnat, Fl. Alpes Marit. 6: 20. 1916 , hybr. | wfo-0000091305 | ||
| Senecio thurifer | Prodr. 6: 448 (1838) | wfo-0000121705 | ||
| Senecio tibatiensis | Bot. Jahrb. Syst. 59(4, Beibl. 133): 29 (1924) | wfo-0000119924 | ||
| Senecio tillandsiaefolius | Prodr. 6: 415 (1838) | wfo-0000018811 | ||
| Senecio timidus | Fieldiana, Bot. 27, n.° 2: 66 (1951) | wfo-0000038364 | ||
| Senecio tmoleus | Diagn. Pl. Orient. 4: 13 (1844) | wfo-0000081792 | ||
| Senecio tocornalii | Anales Univ. Chile 21: 383 (1862) | wfo-0000019821 | ||
| Senecio toledoi | Brittonia 7: 57, fig. 2 (1950) | wfo-0000061714 | ||
| Senecio tolimensis | Kew Bull. 47(1): 73 (1992): | wfo-0000083911 | ||
| Senecio toluccanus var. microdontus | Syn. Fl. N. Amer. 1(2): 388 (1884) | wfo-0000098699 | ||
| Senecio toluccanus var. modestus | Bot. Voy. Herald 7-8: 311 (1856) | wfo-0001377815 | ||
| Senecio tomentosus | Fl. Austriac. 2: 476 (1831) | wfo-0000059143 | ||
| Senecio tomentosus | Prodr. 6: 356 (1838) | wfo-0000033735 | ||
| Senecio tomentosus | Man. Herb. 240. | wfo-0000116792 | ||
| Senecio tomentosus f. alabamensis | Rhodora 48: 330 (1946) | wfo-0001321123 | ||
| Senecio topkegolensis | Acta Phytotax. Geobot. 32: 140 (1981) | wfo-0000131262 | ||
| Senecio torrehuasensis | Collect. Bot. (Barcelona) 3: 267 (1953) | wfo-0000134651 | ||
| Senecio tournefortii subsp. aragonensis | Subesp. Variación Geogr. 15. 1973 | wfo-0001364280 | ||
| Senecio tournefortii subsp. carpetanus | Subesp. Variación Geogr. 15. 1973 | wfo-0001364281 | ||
| Senecio tournefortii subsp. granatensis | Subesp. Variación Geogr. 15, without basionym date. 1973 | wfo-0001364282 | ||
| Senecio tovari | Notas Mus. La Plata, Bot. 18: 198. 1955 | wfo-0000040052 | ||
| Senecio townsendii | Ann. Missouri Bot. Gard. 2: 598 (1915) | wfo-0000133017 | ||
| Senecio trachycarpus | Flora 27(2): 702 (1844) | wfo-0000086478 | ||
| Senecio trachylepus | Bull. Herb. Boissier iv. 470. | wfo-0000087465 | ||
| Senecio transilvanicus | Verh. Mitth. Siebenbürg. Vereins Naturwiss. Hermannstadt x. (1859) 208 | wfo-0000077917 | ||
| Senecio transmarinus var. sycephalus | – | — | wfo-1200068273 | |
| Senecio tredecimsquamosus | Flora 27(2): 700 (1844) | wfo-0000032765 | ||
| Senecio tremolsii | Bull. Géogr. Bot. 21: 112. 1911; et in Bull. Ge (1911) | wfo-0000107654 | ||
| Senecio triactinus | J. Linn. Soc., Bot. xl. 119 (1911) | wfo-0000007330 | ||
| Senecio triangularis var. hansenii | Erythea 3: 124 (1895) | wfo-0001377816 | ||
| Senecio triangularis var. subvestitus | – | wfo-0001391828 | ||
| Senecio triangularis var. trichophyllus | Mazama 11: 95 (1929) | wfo-0001377817 | ||
| Senecio triangularis var. trigonophyllus | Man. Pl. Oregon : 780 (1941) | wfo-0001377818 | ||
| Senecio triangulus var. trigonophyllus | – | wfo-0001391625 | ||
| Senecio trianii | Abh. Naturf. Ges. Halle 15: 332 (1882). | — | wfo-0000035183 | |
| Senecio tricephalus | Ann. Missouri Bot. Gard. 5: 91 (1918) | wfo-0000031745 | ||
| Senecio trichodon var. trichocaulon | Brittonia 7: 71 (1950) | wfo-0000058956 | ||
| Senecio trichopodus | Bull. Géogr. Bot. 25: 17 (1915) | wfo-0000027887 | ||
| Senecio trichotomus | Publ. Field Columb. Mus., Bot. Ser. 2: 326 (1912) | wfo-0000041681 | ||
| Senecio tricuspidatus | Bot. Antarct. Voy. I. (Fl. Antarct.). 2: 317. 1846 [ante 1 Jun 1846] | — | wfo-0000012073 | |
| Senecio tridentatus | Prodr. 6: 424 (1838) | wfo-0000011883 | ||
| Senecio trifidus | Escritos Damaso Antonio Larranaga 2: 255. 1923 ; [Pub. Inst. Hist. Geog. Urug.]; cf.Gray Herb. Card Cat., Issue 117, nomen. | wfo-0000075355 | ||
| Senecio triflorus | Sp. Pl. : 867 (1753) | wfo-0000035219 | ||
| Senecio trigonophyllus | Pittonia 3(15): 106 (1896) | wfo-0000071772 | ||
| Senecio trineurus | Mem. Amer. Acad. Arts 8: 514 (1862) | wfo-0000030768 | ||
| Senecio triodon var. neuquensis | – | wfo-0001414132 | ||
| Senecio tripartitus | Voy. Astrolabe 2: 114. 1834 | wfo-0000073186 | ||
| Senecio triplipartitus | Nomencl. Bot. 2: 566 (1841) | wfo-0000134459 | ||
| Senecio trullifolius | J. Linn. Soc., Bot. 18: 392 (1881) | wfo-0000064732 | ||
| Senecio truncatus | Numer. List : n.° 3137 (1831) | wfo-0000065949 | ||
| Senecio truncatus | Fl. Hautes-Pyrénées : 507 (1867) | wfo-0000000593 | ||
| Senecio truxillensis | Notas Mus. La Plata, Bot. 18(89): 199, fig. 2A-B (1955) | wfo-0000038281 | ||
| Senecio tsaratananensis | Notul. Syst. (Paris) 8: 16 (1939) | wfo-0000122918 | ||
| Senecio tschabanicus | Linnaea 24: 370 (1851) | wfo-0000044084 | ||
| Senecio tuberosus var. pubescens | Bradleya 14: 83 (1996): (1996) | wfo-0000103603 | ||
| Senecio tubicapillosus | Brittonia 12: 192 (1960) | wfo-0000004081 | ||
| Senecio tulinensis | New Taxa New Names 5: 515.2022 | wfo-1000042888 | ||
| Senecio tupungatoi | Apuntes Hist. Nat. 1: 57 (1909) | wfo-0000017908 | ||
| Senecio turbinatus | Bull. Torrey Bot. Club 33: 159 (1906) | wfo-0000132527 | ||
| Senecio turczaninovii subsp. szikoicum | Sched. Herb. Fl. Ross. 18: 97. 1970 | wfo-1200010403 | ||
| Senecio turczaninowii | Bull. Acad. Imp. Sci. Saint-Pétersbourg xix. (1874) 488 (cum cit. fal | wfo-0000030037 | ||
| Senecio turczaninowii | Repertorium Botanices Systematicae. 2: 654 1843 | — | wfo-0000033415 | |
| Senecio tussilaginea | Revis. Gen. Pl. 1: 364 (1891) | wfo-0000096795 | ||
| Senecio tussilaginis | Syn. Gen. Compos. : 392 (1832) | wfo-0000040746 | ||
| Senecio tussilaginoides | Alph. Aufz. Gew. : 656 (1847) | wfo-0000023186 | ||
| Senecio tussilaginoides | Flora 28: 498 (1845) | wfo-0000007710 | ||
| Senecio tussilaginoides | Fl. Carol. : 208 (1788) | wfo-0000014086 | ||
| Senecio tylodis | Bot. Jahrb. Syst. 43(1-2): 64 (1909) | wfo-0000118847 | ||
| Senecio tymphresteus | Diagn. Pl. Orient. , ser. 2, 6: 99 (1859) | wfo-0000092497 | ||
| Senecio tyrolensis | Alpenpflanzen 1890: 325. | wfo-0000035941 | ||
| Senecio ualtata | Nomencl. Bot. 2: 566 (1841) | wfo-0000005413 | ||
| Senecio uintahensis | New Man. Bot. Centr. Rocky Mt. : 581 (1909) | wfo-0000022237 | ||
| Senecio uliginosus | Prodr. 6: 348 (1838) | wfo-0000037149 | ||
| Senecio ullucosanus | Bot. Jahrb. Syst. 28(5): 636 (1901) | wfo-0000133441 | ||
| Senecio umbricola | S. African J. Bot. 75(2): 246 (-248; fig., map) (2009) | wfo-0001331557 | ||
| Senecio uncinellus | Prodr. 6: 368 (1838) | wfo-0000039590 | ||
| Senecio undulatus | Prodr. Pl. Cap. 2: 157 (1800) | wfo-0000020787 | ||
| Senecio uniflorus | Observ. Bot. 3: 42 (1783) | wfo-0000120057 | ||
| Senecio uniserialis | Syst. Verz. 126, nomen. | wfo-0000023568 | ||
| Senecio uralensis | Fl. Sibir. Occ., ed. 2 11: 2842. 1949 | wfo-0000138870 | ||
| Senecio urbani | Bot. Jahrb. Syst. 28(5): 640 (1901) | wfo-0000068077 | ||
| Senecio urubambensis | Notas Mus. La Plata, Bot. 9(45): 204, fig (1944) | wfo-0000006880 | ||
| Senecio urumovii | Oesterr. Bot. Z. 52: 52 (1902) | wfo-0000094497 | ||
| Senecio utahensis | Spring Fl. Interm. States 175. 1912 | wfo-0000120593 | ||
| Senecio vaccarii | Nuovo Giorn. Bot. Ital. 1912, n. s. xix. 587, hybr. | wfo-0000025621 | ||
| Senecio vaccinioides | Chlor. Andina 1: 99 (1856) | wfo-0000008222 | ||
| Senecio vaccinioides var. pruinosus | Chlor. Andina 1: 99 (1856) | wfo-0001377821 | ||
| Senecio vagans | Numer. List [Wallich] n. 3108. 1831 | wfo-0000013156 | ||
| Senecio vagus subsp. vagus | – | – | wfo-0000099149 | |
| Senecio vagus var. alpestris | Trans. & Proc. Philos. Inst. Victoria 1 1854 | wfo-0001373117 | ||
| Senecio valeriana | in H. Johnston, The Kilim. Exped. Append. 342. 1886 , nomen | wfo-0000006138 | ||
| Senecio valerianaefolius | London J. Bot. 4: 127 (1845) | wfo-0000121194 | ||
| Senecio valerianella | Pittonia 4(22): 109 (1900) | wfo-0000031645 | ||
| Senecio vallecaucanus var. corralensis | Fieldiana, Bot. 27: 24 (1950) | wfo-0001377822 | ||
| Senecio valparadisiensis | Fl. Chil. 4(2): 157 (1849) | wfo-0000062965 | ||
| Senecio variabilis | Anales Univ. Chile 88: 276 (1894) | wfo-0000074992 | ||
| Senecio varicosus | Dec. i. 9. t. 5. | wfo-0000120113 | ||
| Senecio variegatus | Linnaea 34: 536, nomen (1866) | wfo-0000123097 | ||
| Senecio variifolius | Mem. New York Bot. Gard. 1: 438. 1900 [15 Feb 1900] , (non DC.) | wfo-0000138434 | ||
| Senecio varvarcensis var. pinnatus | Bol. Soc. Argent. Bot. 49(3): 410 (2014) | wfo-0001385449 | ||
| Senecio vasquezii | Phytoneuron 2021-65: 51. 2021 | wfo-1000028969 | ||
| Senecio velardei | Notas Mus. La Plata, Bot. 15, Bot. n.° 75: 109, fig. 16 (1950) | wfo-0000133887 | ||
| Senecio velatus | Ann. Missouri Bot. Gard. 1: 280, pl. 13 (1914) | wfo-0000079380 | ||
| Senecio verbascifolius | Voy. Pôle Sud : 47 | wfo-0000091858 | ||
| Senecio vernalis | Bull. Soc. Bot. France 39: 285. 1892 | wfo-0000119280 | ||
| Senecio vernalis | Prodr. [A. P. de Candolle] 6: 351. 1838 [1837 publ. early Jan 1838] | wfo-0000040241 | ||
| Senecio vernalis subsp. sosnovskyi | Biol. Zhurn. Armenii 24(11): 48 (1971) | wfo-0000105211 | ||
| Senecio vernalis unr. nigro-punctatus | Mem. Reale Accad. Sci. Torino ser. 2, 16: 299 1857 | wfo-1200068047 | ||
| Senecio vernalis var. caucasicus | Prodr. 6: 345 (1838) | wfo-0001382813 | ||
| Senecio vernicosus var. major | Chlor. Andina 1: 94 (1856) | wfo-0001377823 | ||
| Senecio vernicosus var. microphyllus | Chlor. Andina 1: 94 (1856) | wfo-0001377824 | ||
| Senecio vernus | Prodr. 6: 430 (1838) | wfo-0000135360 | ||
| Senecio vernus | Mém. Soc. Linn. Paris 1: 366 (1822) | wfo-0000025197 | ||
| Senecio verrucosus | Abh. Naturf. Ges. Halle 15: 332 (1882). | wfo-0000021665 | ||
| Senecio verrucosus | Vollst. Pflanzensyst. 9: 356. 1783 ; fide Merrill in Journ. Arn. Arb. 1938, xix. 374, in syn. | wfo-0000019010 | ||
| Senecio verrucosus | Chlor. Andina 1: 77 (1856) | wfo-0000103652 | ||
| Senecio veruicosus | – | — | wfo-0000120853 | |
| Senecio vervoorstii | – | — | wfo-0000008842 | |
| Senecio vestitus | Nomencl. Bot. 2: 566 (1841) | wfo-0000114500 | ||
| Senecio vicellipticus | Feddes Repert. Spec. Nov. Regni Veg. 55: 151 (1953) | wfo-0000023566 | ||
| Senecio vidali | Verh. Deutsch. Wiss. Ver. Santiago (Chile) 2: 107. 1890 , nomen; et in An.Univ. Chile, lxxxviii. 18 (1894), descr. | wfo-0000074603 | ||
| Senecio vidalii | – | wfo-0001418793 | ||
| Senecio viejensis | Bot. Jahrb. Syst. 32(1): 21, nomen. (1902) | wfo-0000134260 | ||
| Senecio villiferus | J. Bot. (Morot) viii. (1894) 362. | wfo-0000089149 | ||
| Senecio villosus | Allg. Med.-Pharm. Fl. 2: 715 (1833) | wfo-0000012659 | ||
| Senecio vinodii | J. Biodivers. Conservation 7(4)-29: 32 2023 | wfo-1000058337 | ||
| Senecio violaceus | Numer. List : n.° 3134 (1831) | wfo-0000045329 | ||
| Senecio vira | – | — | wfo-0001129212 | |
| Senecio vira-vira | Bol. Acad. Nac. Ci. 4: 354 (1882) | wfo-0000038580 | ||
| Senecio virgatus | Pl. Rar. Afr. : 20 (1760) | wfo-0000105157 | ||
| Senecio viridulus | Pl. Crit. Tarn : 27 | wfo-0000020147 | ||
| Senecio viscidulus | Linnaea 18: 480 (1845) | wfo-0000118445 | ||
| Senecio viscosissimus | Escritos Damaso Antonio Larranaga 2: 255. 1923 ; [Pub. Inst. Hist. Geog. Urug.]; cf.Gray Herb. Card Cat., Issue 117, nomen. | wfo-0000026507 | ||
| Senecio viscosus | Iter Hispan. : 40 (1838) | wfo-0000094445 | ||
| Senecio visianus | Fl. Dalmat. ii. 72. t. 8. (1847) | wfo-0000028263 | ||
| Senecio vitellinus | Beitr. Fl. Aethiop. : 286 (1867) | wfo-0000037127 | ||
| Senecio vitifolius | Candollea xvi. 191 (1958) | wfo-0000035147 | ||
| Senecio vogesiacus | Deutsche Bot. Monatsschr. 1(3): 39 (1883) | wfo-0000125270 | ||
| Senecio volckmannii var. pinohachense | Novon 20(1): 108 (-109; fig. 2) (2010) | wfo-0001383744 | ||
| Senecio volhynicus | Deutsche Bot. Monatsschr. 1(3): 40 (1883) | wfo-0000007852 | ||
| Senecio vratislaviensis | Deutsche Bot. Monatsschr. 1(3): 39 (1883) | wfo-0000087656 | ||
| Senecio vulcanicus | Fl. Mexic., ed. 2 186. 1894 | wfo-0000084293 | ||
| Senecio vulcanopichis | Fieldiana, Bot. 27: 45 (1950) | wfo-0000122242 | ||
| Senecio vulgaris subvar. crassifolius | Fl. France 8: 343 (1903) | wfo-0001369659 | ||
| Senecio vulgaris var. crassifolius | Fl. Gr. Brit. Ireland 4: 556 (2006) | wfo-0001382915 | ||
| Senecio vulpinaris | Fieldiana, Bot. 27: 26 (1950) | wfo-0000126162 | ||
| Senecio walkeri | Enum. Pl. Zeyl. : 167 (1860) | wfo-0000060237 | ||
| Senecio wartmannii | Jahresber. Naturf. Ges. Graubündens II. xxiii-xxiv. (1880) 106. | wfo-0000017802 | ||
| Senecio watsonii | Bot. Jahrb. Syst. 32(1): 19, nomen (1902) | wfo-0000119166 | ||
| Senecio weberbaueri | Fieldiana, Bot. 27, n.° 2: 41 (1951) | wfo-0000116309 | ||
| Senecio weddellianus | Bot. Jahrb. Syst. 21(3): 356 (1895) | wfo-0000019067 | ||
| Senecio werneriifolius var. alpinus | Vasc. Pl. Wyoming 295 (1988):. | wfo-0000059189 | ||
| Senecio werneriifolius var. barkleyi | Utah Fl., ed. 3. 228 (-229). 2003 | wfo-0001380541 | ||
| Senecio werneriifolius var. incertus | Ann. Missouri Bot. Gard. 5: 62 (1918) | wfo-0000079230 | ||
| Senecio werneriifolius var. malmstenoides | Utah Fl., ed. 3. 229. 2003 | wfo-0001383026 | ||
| Senecio wernerioides var. exscapus | Proc. Amer. Acad. Arts 5: 143 (1861) | wfo-0001377826 | ||
| Senecio wernerioides var. scaposus | Proc. Amer. Acad. Arts 5: 143 (1861) | wfo-0001377827 | ||
| Senecio weylii | Verh. Bot. Vereins Prov. Brandenburg 14: 48 (1872) | wfo-0000128028 | ||
| Senecio whitwellianus | The Naturalist 1938: 297. | wfo-0000006084 | ||
| Senecio whyteanus | Trans. Linn. Soc. London, Bot. 4: 21 (1894) | wfo-0000016204 | ||
| Senecio wightianus | Prodr. 6: 370 (1838) | wfo-0000006557 | ||
| Senecio willdenowii | – | — | wfo-0000038338 | |
| Senecio williamsii | Anales Univ. Chile 88: 246 (1894) | wfo-0000119792 | ||
| Senecio willingii | Ottawa Naturalist 25: 117 (1911) | wfo-0000118972 | ||
| Senecio willowensis | Bot. Jahrb. Syst. 32(1): 20, nomen. (1902) | wfo-0000102986 | ||
| Senecio wolffii | Enum. Fl. Transsilv. : 325 (1887) | wfo-0000018480 | ||
| Senecio wolfii | – | wfo-0000001933 | ||
| Senecio woodii | Phytotaxa 375(1): 77. 2018 | wfo-1000007571 | ||
| Senecio woodsonianus | Ann. Missouri Bot. Gard. 52: 304 (1965) | wfo-0000031770 | ||
| Senecio xanthoxylon var. araneosula | Revista Fac. Agron. Univ. Nac. La Plata 3: 535 (1897) | wfo-0001377828 | ||
| Senecio xarilla | Fl. Mexic. : 186 (1894) | wfo-0000107697 | ||
| Senecio yacuanguensis | – | wfo-0001350350 | ||
| Senecio yacuanquensis | Notas Fl. Colombia 6: 30, fig. 1944 | wfo-0000124902 | ||
| Senecio yalungenensis | Anz. Akad. Wiss. Wien, Math.-Naturwiss. Kl. 1925, lxii. 147 | wfo-0000017043 | ||
| Senecio yalusay f. ligulatus | Brittonia 12: 194 (1960) | wfo-0001321124 | ||
| Senecio yegua var. pilotus | Notas Mus. La Plata, Bot. 9, Bot. n.° 45: 228 (1945) | wfo-0001377831 | ||
| Senecio yunguyensis | Collect. Bot. (Barcelona) 3: 279 (1953) | wfo-0000137906 | ||
| Senecio zahlbruckneri | Jahresber. Naturf. Ges. Graubündens II. xxviii-xxiv. (1880 106 (Q | wfo-0000001048 | ||
| Senecio zollingerianus | Beitr. Fl. Aethiop. : 160 (1867) | wfo-0000121208 | ||
| Senecio zuccarinii | Bull. Acad. Imp. Sci. Saint-Pétersbourg xix. (1874) 486. | wfo-0000087843 |