WFO Plant List | World Flora Online

As classified in WFO snapshot

December 2024

latest classification for this taxon

genus

Lactuca L.

This genus name was first published in Sp. Pl. : 795 (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-4000020393.

Literature

Sp. Pl. 2: 795. 1753 [1 May 1753]

Statistics

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Synonyms of Lactuca

Name	Author	Protologue	WFO link
Lactuca sect. Pterachenium	Kitam.	–	wfo-1000043938
Lactuca subg. Pterachenium	(Kitam.) Kirp.	Fl. URSS 29: 291. 1964	wfo-3500000316
Agathyrsus	D.Don	Edinburgh New Philos. J. (1828-29) 310	wfo-4000000923
Bunioseris	Jord.	Jord. & Fourr. Ic. Fl. Eur. 3: 44. 1903	wfo-4000005754
Cephalorrhynchus	Boiss.	Diagn. Pl. Orient. 4: 28 (1844)	wfo-4000007276
Eunoxis	Raf.	New Fl. iv. 84 (1836)	wfo-4000014193
Kovalevskiella	Kamelin	Opred. Rast. Sred. Azii 10: 628 (1993). (1993)	wfo-4000020196
Lactucella	Nazarova	–	wfo-4000020394
Lagedium	Soják	–	wfo-4000020425
Mulgedium	Cass.	Dict. Sci. Nat., ed. 2. 33: 296 (1824)	wfo-4000024963
Phaenixopus	Cass.	Dict. Sci. Nat., ed. 2. 39: 391 (1826)	wfo-4000029042
Phaenopus	DC.	–	wfo-4000029046
Pterocypsela	C.Shih	Acta Phytotax. Sin. 26(5): 385 (1988)	wfo-4000031961
Scariola	F.W.Schmidt	Samml. Phys. Aufsätze Böhm. Naturgesch. i. 270 (1795)	wfo-4000034259
Steptorhamphus	Bunge	Beitr. Fl. Russl. 205 (1852)	wfo-4000036605
Wiestia	Sch.Bip.	Jahrb. Pract. Pharm. Verwandte Facher 4: 154. 1841 , in nota	wfo-4000040695
Garacium	Gren. & Godr.	Fl. France 2: 327, in syn. (1850)	wfo-4000046573
Agathyrus	Raf.	New Fl. [Rafinesque] 4: 84 (1836).	wfo-4100000132

Species in Lactuca ( ${pageIsLoading?'loading':'showing'} species ${currentlyShowingRangeFirst} to ${currentlyShowingRangeLast} of ${ totalPartsCount })

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Unplaced Names

These names are not yet placed in the taxonomy, but may be associated with Lactuca:

Name	Author	Protologue	Nomenclator	WFO link
Lactuca acanthifolia	Benth. & Hook.f.	Gen. Pl. [Bentham & Hooker f.] 2(1): 525. 1873 [7-9 Apr 1873]		wfo-0000127617
Lactuca acaulis	(Roxb.) Babe.	–	—	wfo-0000055968
Lactuca aculeata	Boiss.	Fl. Orient. 3: 809 (1875)		wfo-0000020727
Lactuca acuminata	Spreng.	Syst. Veg. 3: 659 (1826)		wfo-0000010135
Lactuca agrestis	Bubani	Fl. Pyren. ii. 113 (1899)		wfo-0000020222
Lactuca alabamensis	Bertol.	Nov. Comm. Acad. Bonon. vii. 200. 1844		wfo-0000123628
Lactuca albiflora	Maxim.	Bull. Acad. Imp. Sci. Saint-Pétersbourg xix. (1874) 531.		wfo-0000085918
Lactuca amagawaensis	Makino	Bot. Mag. (Tokyo) 6: 56 (1892)		wfo-0000043260
Lactuca amaurophyton	(Podlech & Rech.f.) N.Kilian	Pl. Syst. Evol. 307(1, 7): 12. 2021		wfo-1000027554
Lactuca ambigua	Hort. ex G.Don	Hort. Brit. [Sweet], ed. 3. 410. 1839		wfo-0000064286
Lactuca amurensis	Herder	Fl. Radd. 3(4): 29.		wfo-0000129769
Lactuca anatolica	Behçet & Yapar	Phytotaxa 455(4): 288. 2020		wfo-1000023361
Lactuca angulata	Raf.	New Fl. iv. 83 (Quid ?).		wfo-0000136245
Lactuca angustifolia	Lam. ex Steud.	Nomencl. Bot. : 460 (1821)		wfo-0000021229
Lactuca armena	Boiss.	Fl. Orient. 3: 808 (1875)		wfo-0000056719
Lactuca augustana	Rchb. ex Nyman	Consp. Fl. Eur. 2: 435 (1879)		wfo-0000038485
Lactuca auriculata	Aitch.	J. Linn. Soc., Bot. 19: 173 (1882)		wfo-0000002967
Lactuca autumnalis	Bernh.	Syst. Verz. : 140 (1800)		wfo-0000078062
Lactuca axillaris	Raf.	New Fl. iv. 83 (Quid ?).		wfo-0000118418
Lactuca balmesi	Sennen	Bol. Soc. Ibér. Ci. Nat. 28(5-8): 116 (1930)		wfo-0000125722
Lactuca bandyopadhyana	Kottaim.	Int. J. Curr. Res. Biosci. Pl. Biol. 6(10): 37. 2019		wfo-1000032949
Lactuca bauhini	Loret	Loret & Barrandon, Fl. Montpellier, ed. 2 620. 1886		wfo-0000111751
Lactuca biennis f. aurea	(Jenn.) Fernald	Rhodora 42: 302 (1940)		wfo-0001320408
Lactuca birjandica	Mozaff.	Iran. J. Bot. 21(1): 24 (2015)		wfo-0001343624
Lactuca bourgaei	Irish & Taylor	in L. H. Bailey, Standard Cycl. Hortic. 1766. 1916		wfo-0000084343
Lactuca bracteata	Wall.	Numer. List : n.° 3243 (1831)		wfo-0000041604
Lactuca brevirostra	Dulac	Fl. Hautes-Pyrénées : 494 (1867)		wfo-0000000582
Lactuca brevirostris	Fenzl	in Kotschy, Reise Cilic. Taur. 384. 1858		wfo-0000001693
Lactuca brevirostris var. foliisindivisis	Hemsl.	–	—	wfo-1200069029
Lactuca brevirostris var. foliislaciniatis	Hemsl.	–	—	wfo-1200069030
Lactuca callosa	(Klatt) C.C.Chang	Contrib. Biol. Lab. Sc. Soc. China, Bot. Ser. 9: 127. 1934		wfo-0000034576
Lactuca canadensis	(L.) Farw.	Asa Gray Bull. 3: 22. 1895		wfo-0000071052
Lactuca canadensis	A.Gray	Man. Bot. N. U. St. 803.		wfo-0000085533
Lactuca canadensis f. albocaerulea	Farw.	Pap. Michigan Acad. Sci. 2: 45 (1923)		wfo-0001321593
Lactuca canadensis f. angustata	Wiegand	Rhodora 22: 11 (1920)		wfo-0001321589
Lactuca canadensis f. angustipes	Farw.	Pap. Michigan Acad. Sci. 3: 108. 1924		wfo-0001403046
Lactuca canadensis f. angustipes	Wiegand	Rhodora 22: 10. 1920		wfo-0001403045
Lactuca canadensis f. exauriculata	Wiegand	Rhodora 22: 11 (1920)		wfo-0001321590
Lactuca canadensis f. pallida	Farw.	Pap. Michigan Acad. Sci. 3: 109 (1924)		wfo-0001321591
Lactuca canadensis f. steelei	(Britton) Fernald	Rhodora 40: 481 (1938)		wfo-0001321586
Lactuca canadensis f. stenopoda	Wiegand	Rhodora 22: 11 (1920)		wfo-0001321587
Lactuca canadensis f. villicaulis	Fernald	Rhodora 41: 574 (1939)		wfo-0001321592
Lactuca canadensis var. angustifolia	Kuntze	Revis. Gen. Pl. 1: 349 (1891)		wfo-0001372768
Lactuca canadensis var. elongata	Farw.	Pap. Michigan Acad. Sci. 2: 46 (1923)		wfo-0001372769
Lactuca canadensis var. laciniata	Farw.	Pap. Michigan Acad. Sci. 2: 45 (1923)		wfo-0001372771
Lactuca canadensis var. montana	Britton	Ill. Fl. N. U.S. 3: 274 (1898)		wfo-0001372772
Lactuca candolleana	Holmboe	Stud. Veg. Cyprus : 194 (1914)		wfo-0000080213
Lactuca canescens	Regel & Schmalh.	Trudy Imp. S.-Peterburgsk. Bot. Sada vi. (1879) 324.		wfo-0000124253
Lactuca capillaris	(Nakai) Makino & Nemoto	Fl. Japan., ed. 2 (Makino & Nemoto) 1241. 1931		wfo-0000067773
Lactuca capitata	Garsault	Prodr. 7: 138 (1838)		wfo-0000039414
Lactuca caroliniana	Walter	Fl. Carol. : 193 (1788)		wfo-0000062133
Lactuca cernua	Jacquem. ex Decne.	Voy. Inde 4(Bot.): 100 (Apr 1835- Dec 1844)		wfo-0000036123
Lactuca chaffanjonii	(Beauverd) Danguy	Bull. Mus. Natl. Hist. Nat. 1914, xx. 39		wfo-0000005454
Lactuca chinensis	Makino	Bot. Mag. (Tokyo) 17: 89 (1903)		wfo-0000074485
Lactuca chinensis	Tanaka	Bult. Sci. Fak. Terk. Kjusu Imp. Univ. i. 205, 209 (1925)		wfo-0000042612
Lactuca chitralensis	(Tuisl) Ghafoor, Qaiser & Roohi Bano	–		wfo-1000054836
Lactuca chondrilloides	Steud.	Nomencl. Bot. 2: 3 (1840)		wfo-0000022713
Lactuca cornigera	Pau & Font Quer	Cavanillesia iii. 77 (1930), nomen.		wfo-0000093721
Lactuca cracoviensis	bueck ex Nyman	Consp. Fl. Eur. 2: 435 (1879)		wfo-0000052733
Lactuca crambifolia	B.Fedtsch.	Rastit. Turkest. 765 (1915).		wfo-0000125489
Lactuca crassicaulis	(Trautv.)	–	—	wfo-1000056224
Lactuca crassicaulis	Sennikov	Checkl. Vasc. Pl. Tian-Shan 400 2021		wfo-1000057208
Lactuca cubangensis	(S.Moore) C.Jeffrey	in Kew Bull. 18: 449. 1966	—	wfo-1000057851
Lactuca debilis	Benth. & Hook.f.	Gen. Pl. 2(1): 526 (1873)		wfo-0000034445
Lactuca decipiens var. decipiens	–	–	—	wfo-0000055036
Lactuca denaensis	N.Kilian & Djavadi	–		wfo-1000054837
Lactuca denticulatoplatyphylla	Makino	J. Jap. Bot. i. 11 (1917).		wfo-0000106934
Lactuca depressa	(Hook.f. & Thomson) Babc. & Cameron	Univ. Calif. Publ. Agric. Sci. 6: 289 (1934)		wfo-0000134187
Lactuca elata	Salisb.	Prodr. Stirp. Chap. Allerton : 180 (1796)		wfo-0000125982
Lactuca elongata	Muhl.	–		wfo-0000096486
Lactuca elongata var. albiflora	Torr. & A.Gray	Fl. N. Amer. 2: 497 (1843)		wfo-0001372774
Lactuca elongata var. graminifolia	Chapm.	Fl. South. U.S. : 252 (1860)		wfo-0001372775
Lactuca erostrata	Bano & Qaiser	–		wfo-1000054838
Lactuca esculenta	Salisb.	Prodr. Stirp. Chap. Allerton : 180 (1796)		wfo-0000122958
Lactuca favratii	(Wilczek) B.Bock	Bull. Soc. Bot. Centre-Ouest 42: 265 (2012)		wfo-0001332715
Lactuca fistulosa	Raf.	Fl. Ludov. : 58 (1817)		wfo-0000029534
Lactuca floridana f. leucantha	Fernald	Rhodora 42: 498 (1940)		wfo-0001320409
Lactuca forsteniana	Boerl.	Handl. Fl. Ned. Ind. 2(1): 245, nomen. (1891)		wfo-0000044887
Lactuca gilanica	Mozaff.	Iran. J. Bot. 21(1): 26 (2015)		wfo-0001343625
Lactuca glabra	Chang	in Contrib. Biol. Lab. Sc. Soc. China, Bot. Ser., ix. 128 (1934).	—	wfo-0000060994
Lactuca glareosa	Schott & Kotschy	Fl. Orient. 3: 812 (1875)		wfo-0000093440
Lactuca graciliflora	Forbes & Hemsl.	Journal of the Linnean Society, Botany 23: 482 1888	—	wfo-0000134940
Lactuca graminea	Spreng.	Syst. Veg. 3: 659 (1826)		wfo-0000074278
Lactuca graminifolia var. graminifolia	–	–	—	wfo-0000091399
Lactuca grenieri	(Rouy) A.W.Hill & E.Salisb.	A. W. Hill & E. Salisb., Index Kew, Suppl. 10. 1947 126 1947	—	wfo-0000050274
Lactuca grenieri	Loret	Loret & Barrandon, Fl. Montpellier, ed. 2 620. 1886		wfo-0000012006
Lactuca haimanniana	E.A.Durand & Barratte	–	—	wfo-1000050903
Lactuca hastata	L.	–	—	wfo-0000065452
Lactuca hastata var. khasiana	C.B.Clarke	Compos. Ind. : 268 (1876)		wfo-0001380090
Lactuca hastata var. paniculata	C.B.Clarke	Compos. Ind. (1876)		wfo-0001380089
Lactuca hirsuta f. calvifolia	Fernald	Rhodora 22: 156 (1920)		wfo-0001320410
Lactuca hirsuta f. indivisa	Fernald	Rhodora 43: 657 (1941)		wfo-0001321588
Lactuca hirsuta var. genuina	Fernald	Rhodora 40: 481 (1938)		wfo-0001372779
Lactuca hoatiensis	H.Lév.	Repert. Spec. Nov. Regni Veg. 8: 449 (1910)		wfo-0000057258
Lactuca hochstetteri	Sch.Bip. ex Engl.	Abh. Preuss. Akad. Wiss. 1891 (1892) 454.		wfo-0000093447
Lactuca hochstetteri	Sch.Bip. ex Hochst.	Flora 24(1, Intelligenzbl.): 27 (1841)		wfo-0000031133
Lactuca humilis	Sch.Bip. ex A.Rich.	Tent. Fl. Abyss. 1: 463 (1848)		wfo-0000077429
Lactuca imbricata var. imbricata	–	–		wfo-0000096525
Lactuca impura	Maire	Bull. Soc. Hist. Nat. Afrique N. xxxi. 108 (1941).		wfo-0000137409
Lactuca indica var. indivisa	(Makino) Hatus.	–		wfo-1200069173
Lactuca integrifolia	B.L.Rob. & Fernald	Manual (Gray), ed. 7. 866. 1908		wfo-0000128683
Lactuca intricata	Pomel	A.N. Pomel, Nouv. Mat. Fl. Atl.. 1875 264 1875	—	wfo-0000066369
Lactuca intybacea	Jacq. ex Murray	Icon. Pl. Rar. 1(4): pl. 162. 1784.	—	wfo-0000008040
Lactuca japonica	Regel	Index Seminum (LE, Petropolitanus) (1866) 91.		wfo-0000129518
Lactuca kanitziana	Martelli	Nuov. Giorn. Bot. xv. 302. 1883		wfo-0000120451
Lactuca kanitziana	Martelli ex Boerl.	Fl. Ned. Ind. ii. I. (1891) 245, nomen.		wfo-0000016919
Lactuca kashmiriana	Mamgain & R.R.Rao	J. Bombay Nat. Hist. Soc. 83(2): 406 (1986) (1986)		wfo-0000052390
Lactuca kemaliya	Yıld.	Ot Sist. Bot. Dergisi 17(2): 26 (-28; figs. 27-30) (2010)		wfo-0001331811
Lactuca khasiana	Franch.	J. Bot. (Morot) ix. (1895) 292, in obs.		wfo-0000024287
Lactuca khorasanica	Rech.f. & Aellen	Oesterr. Bot. Z. 97: 265 (1950)		wfo-0000119881
Lactuca kimurana	Kitam.	cf. Bot. Mag., Tokyo 48; 6. 1934 , in syn., (japonice)		wfo-0000003554
Lactuca kossinskyi	(Krasch.) Coșkunç., M.Güzel & N.Kilian	Pl. Syst. Evol. 307(1, 7): 12. 2021		wfo-1200008436
Lactuca kossinskyi	Krasch.	Izv. Glavn. Bot. Sada S.S.S.R. 26: 115, in syn. (1927)		wfo-0000096044
Lactuca kotschyana	Reut.	Cat. Graines Jard. Bot. Genève 1867: 4 (1868)		wfo-0000078835
Lactuca kotschyi	Sch.Bip.	Linnaea 15: 725 (1842)		wfo-0000014052
Lactuca lactucarii	(Lamotte) Lamotte	Bull. Soc. Dauphin. Échange Pl. 7: 271. (1880)		wfo-0000025437
Lactuca laevigata	Boiss.	Fl. Orient. [Boissier] Suppl. 322. 1888 [Oct 1888]		wfo-0000119387
Lactuca laevigata	C.B.Clarke	Compos. Ind. 269. 1876		wfo-0000007059
Lactuca laevigata	DC.	Prodr. 7(1): 140 (1838)		wfo-0000118130
Lactuca laevigata var. exciso-dentata	J.Kost.	Blumea 23(1): 174 (1976)		wfo-0000107432
Lactuca laevigata var. lamii	(Mattfield) J.Kost.	Blumea 23(1): 174 (1976)		wfo-0001386761
Lactuca laevigata var. pusilla	(Mattfield) J.Kost.	Blumea 23(1): 172 (1976)		wfo-0001386762
Lactuca lahulensis	Mamgain & R.R.Rao	Bull. Bot. Surv. India 27(1-4): 120 (1987)		wfo-0000052520
Lactuca longespicata	De Wild.	Ann. Mus. Congo Belge, Bot. , sér. 5, 1(2): 87 (1904)		wfo-0000003652
Lactuca longidentata	Moris	Pl. Sard. Elench. 2.		wfo-0000128949
Lactuca longifolia	Michx.	Fl. Bor.-Amer. 2: 85 (1803)		wfo-0000018721
Lactuca longispicata	De Wild.	–	—	wfo-1000054839
Lactuca ludoviciana f. campestris	(Greene) Fernald	Rhodora 40: 481 (1938)		wfo-0001320411
Lactuca lutea	Dulac	Fl. Hautes-Pyrénées : 495 (1867)		wfo-0000019877
Lactuca macrophylla subsp. macrophylla	–	–	—	wfo-0000051384
Lactuca maculata	Hornem.	Hort. Bot. Hafn. : 755 (1815)		wfo-0000014367
Lactuca maritima	Raf.	New Fl. iv. 83.		wfo-0000124324
Lactuca massaviensis	Sch.Bip. ex A.Rich.	Tent. Fl. Abyss. 1: 460 (1848)		wfo-0000070148
Lactuca microcephala	(Nakai) Makino & Nemoto	Fl. Japan., ed. 2 (Makino & Nemoto) 1244. 1931		wfo-0000138797
Lactuca mulgedioides	(Sch.Bip.) Boiss. & Kotschy	Fl. Orient. 3: 815 (1875)		wfo-0000120688
Lactuca mulsanti	Sennen & Elias	Bol. Soc. Ibér. Ci. Nat. 28(5-8): 115 (1930)		wfo-0000003118
Lactuca multifida	Rydb.	Mem. New York Bot. Gard. 1: 484 (1900)		wfo-0000025112
Lactuca musashensis	Makino ex Hisauti	J. Jap. Bot. 1935,.xi. 43, in syn.		wfo-0000001934
Lactuca nikoensis	(Nakai) Makino & Nemoto	Fl. Japan., ed. 2 (Makino & Nemoto) 1245. 1931		wfo-0000119456
Lactuca nipponica	(Nakai) Nakai ex Makino & Nemoto	Fl. Japan. (Makino & Nemoto) 75. 1925 ; et Fl. Japan. ed. 2, 1245 (1931)		wfo-0000115585
Lactuca nipponica	Nakai	Bot. Mag. (Tokyo) 34: 154, in syn. (1920)		wfo-0000016908
Lactuca nubica	Sch.Bip.	Linnaea 15: 725 (1842)		wfo-0000007317
Lactuca nuristanica	Kitam.	Acta Phytotax. Geobot. 17: 36 (1957)		wfo-0000081668
Lactuca obtusa	C.B.Clarke	Compos. Ind. : 261 (1876)		wfo-0000013969
Lactuca octophylla	Sch.Bip.	Linnaea 15: 725 (1842)		wfo-0000088796
Lactuca officinarum	Crantz	Inst. Rei Herb. 1: 227 (1766)		wfo-0000039649
Lactuca oleracea	M.Gómez	Anales Soc. Esp. Hist. Nat. 19: 268 (1890)		wfo-0000081205
Lactuca oligocephala	Bornm	Mitth. Thüring. Bot. Vereins 6: 55. 1894		wfo-0000029685
Lactuca ovatifolia	Raf.	New Fl. iv. 83.		wfo-0000084335
Lactuca pakistanica	T.Akhtar & Chaudhri	Pakistan Syst. 3: 25 (1987)		wfo-0000088659
Lactuca pallidicoerulea	Dinter	Repert. Spec. Nov. Regni Veg. 30: 89 (1932)		wfo-0000042172
Lactuca papuana	Mattf.	Bot. Jahrb. Syst. 62(5): 449 (1929)		wfo-0000025340
Lactuca parishii	Craib ex Hosseus	Beih. Bot. Centralbl. 28(2): 453, 457 (1911)		wfo-0000114545
Lactuca perennis var. angustifolia	Wallr.	–	—	wfo-1200069031
Lactuca perennis var. cichoriifolia	(DC.) Gren. & Godr.	–	—	wfo-1200069032
Lactuca perennis var. integrifolia	Bisch.	–	—	wfo-1200069033
Lactuca perennis var. latifolia	Wallr.	–	—	wfo-1200069034
Lactuca perennis var. sonchoides	(Lapeyr.) Rouy	–	—	wfo-1200069035
Lactuca petraea	Fisch. & C.A.Mey.	Prodr. 7(1): 134 (1838)		wfo-0000032911
Lactuca piestocarpa	(Boiss.) Sennikov	Memoranda Soc. Fauna Fl. Fenn. 90: 94 (2014)		wfo-0001341732
Lactuca pilosa	Raf.	New Fl. iv. 83 (Quid ?).		wfo-0000132178
Lactuca plicata	Balb.	Cat. Hort. Taur. (1813) 45		wfo-0000022855
Lactuca polycephala	(Cass. ex DC.) C.B.Clarke	Compos. Ind. 272. 1876		wfo-0000042971
Lactuca polyphylla	Rydb.	Bull. Torrey Bot. Club 38: 23 (1911)		wfo-0000131125
Lactuca procera	Schrad. ex DC.	Prodr. 7(1): 137 (1838)		wfo-0000018936
Lactuca procumbens	Roxb.	Hort. Bengal. 60, nomen.		wfo-0000114740
Lactuca pseudoumbrella var. chauhanii	D.Maity & Maiti	J. Econ. Taxon. Bot. 25(3): 750 (2002)		wfo-0000056859
Lactuca pseudoumbrella var. pseudoumbrella	–	–	—	wfo-0000050393
Lactuca pseudovirosa	Sch.Bip. ex Nyman	Consp. Fl. Eur. 2: 435 (1879)		wfo-0000093143
Lactuca pygmaea	Bhellum	Curr. Life Sci. 1(1): 2. 2015 [Apr-Jun 2015]		wfo-1200009897
Lactuca pyrenaica	Bellardi ex Pasch.	in Colla, Herb. Pedem. 3: 542. 1834		wfo-0000016668
Lactuca quercina var. integrifolia	Bisch.	–	—	wfo-1200069036
Lactuca quercina var. pinnatifida	Bisch.	–	—	wfo-1200069037
Lactuca querna	Pall.	Reise Südl. Statthaltersch. Russ. Reich. 1: 221. 1799 , (an L. quercina L.?)		wfo-0000011906
Lactuca raddeana var. aogashimaensis	(Kitam.) Katsuy.	Bull. Kanagawa Pref. Mus., Nat. Sci. 40: 32 (2011)		wfo-0001383962
Lactuca raddeana var. aogashimensis	(Kitam.) Katsuy.	–	—	wfo-1200069038
Lactuca ramosissima	Benth. & Hook.f.	Gen. Pl. 2(1): 526 (1873)		wfo-0000020290
Lactuca ramosissima	Gren. & Godr.	Fl. France 2: 318 (1850)		wfo-0000069396
Lactuca repens	Benth. & Hook.f.	Gen. Pl. [Bentham & Hooker f.] 2(1): 526. 1873 [7-9 Apr 1873]		wfo-0000030956
Lactuca reviersiana	Litard. & Maire	Contrib. Etude Fl. Grand Atlas (Arch. Sc. Maroc), Fasc. 2: 4. 1930		wfo-0000040428
Lactuca rigida	DC.	Prodr. 7(1): 135 (1838)		wfo-0000027912
Lactuca rosea	(Popov & Vved.) Sennikov	Checkl. Vasc. Pl. Tian-Shan 401 2021		wfo-1000056908
Lactuca rostrata	Benth. & Hook.f.	Gen. Pl. [Bentham & Hooker f.] 2(1): 525. 1873 [7-9 Apr 1873]		wfo-0000001964
Lactuca rostrata	Kuntze	Revis. Gen. Pl. 1: 349 (1891)		wfo-0000019469
Lactuca sagittata	Hook.f. & Thomson ex C.B.Clarke	Compos. Ind. 265. 1876		wfo-0000040729
Lactuca sagittata	Schur	Verh. Naturf. Vereins Brünn 36: 213. 1898		wfo-0000007178
Lactuca sagittata var. macrodons	Schur	–	—	wfo-1200069039
Lactuca sarmentosa	Wight	Contr. Bot. India : 27 (1834)		wfo-0000001524
Lactuca sassandrensis	A.Chev.	Explor. Bot. Afrique Occ. Franc. 1: 378. 1920 , nomen		wfo-0000119585
Lactuca sativa subsp. serriola	(L.) Frietema	Cult. pl. & wild fl. 148. 1996		wfo-0001361829
Lactuca sativa var. acephala	Alef.	–	—	wfo-1200069040
Lactuca sativa var. angustana	Irish	Cycl. Amer. Hort. [L.H.Bailey] 2: 867. 1900 [18 Jul 1900]		wfo-1200009671
Lactuca sativa var. angustana	L.H.Bailey	–	—	wfo-1200069174
Lactuca sativa var. aurescens	Hegi	–	—	wfo-1200069041
Lactuca sativa var. capitata	L.	–	—	wfo-1200068578
Lactuca sativa var. crispa	L.	–		wfo-1200068583
Lactuca sativa var. foliosa	Bremer	–	—	wfo-1200069042
Lactuca sativa var. integrifolia	Stankov & Taliev	–	—	wfo-1200069043
Lactuca sativa var. longifolia	Lam.	–	—	wfo-1200069175
Lactuca sativa var. pseudoscariola	Schur	–	—	wfo-1200069044
Lactuca sativa var. yemensis	X.S.Shen & Run L.Lu	Bull. Bot. Res., Harbin 18(1): 32 (1998)		wfo-0001370264
Lactuca scandens	Chang	in Contrib. Biol. Lab. Sc. Soc. China, Bot. Ser., ix. 133 (1934).	—	wfo-0000043156
Lactuca scariola unr. hortensis	Bisch.	–	—	wfo-1200069045
Lactuca scariola unr. sylvestris	(Lam.) Bisch.	–	—	wfo-1200069046
Lactuca scariola unr. virosa	(L.) Rouy	–	—	wfo-1200069047
Lactuca scariola var. altissima	Lecoq & Lamotte	–	—	wfo-1200069048
Lactuca scariola var. augustana	(All.) Lindem.	–	—	wfo-1200069176
Lactuca scariola var. dubia	(Jord.) Rouy	–	—	wfo-1200069049
Lactuca scariola var. flavida	(Jord.) Gren. & Godr.	–	—	wfo-1200069050
Lactuca scariola var. hortensis	Bisch.	–	—	wfo-1200069218
Lactuca scariola var. integrata	Gren. & Godr.	Fl. France 2(1): 320 (1850)		wfo-0000081652
Lactuca scariola var. integrifolia	Bisch.	–	—	wfo-1200069177
Lactuca scariola var. integrifolia	Schur	–	—	wfo-1200069178
Lactuca scariola var. laciniata	(Roth) Bisch.	–	—	wfo-1200069051
Lactuca scariola var. lactucarii	(Lamotte) Rouy	–	—	wfo-1200069052
Lactuca scariola var. vulgaris	Bisch.	–	—	wfo-1200069053
Lactuca scariosa var. nieuwlandii	Lunell	Amer. Midl. Naturalist 2: 171, 176 (1912)		wfo-0001379414
Lactuca sect. Alpinae	Boiss.	–	—	wfo-1000057228
Lactuca sect. Cicerbita	(Wallr.) Benth. & Hook.f.	–	—	wfo-1000057230
Lactuca sect. Cyanoseris	W.D.J.Koch	Syn. Fl. Germ. Helv. 2: 432. 1837 [1-7 Oct 1837]		wfo-3400005148
Lactuca sect. Heterorhynchae	Bisch.	–	—	wfo-1000057231
Lactuca sect. Homoeorhynchae	Bisch.	–	—	wfo-1000057232
Lactuca sect. Lactuca	–	–	—	wfo-1000041367
Lactuca sect. Lactucopsis	(Sch.Bip.) Rouy	–	—	wfo-1000057233
Lactuca sect. Micranthae	Boiss.	–	—	wfo-1000057234
Lactuca sect. Mulgedioideae	Boiss.	–	—	wfo-1000057235
Lactuca sect. Mulgedium	(Cass.) C.B.Clarke	–	—	wfo-1000057236
Lactuca sect. Oliganthae	Franch.	–	—	wfo-1000057237
Lactuca sect. Phaenixopus	(Cass.) Benth. & Hook.f.	–	—	wfo-1000057238
Lactuca sect. Pterachaenium	Kitam.	–	—	wfo-1000057240
Lactuca sect. Quinqueflorae	Boiss.	–	—	wfo-1000057241
Lactuca sect. Scariola	DC.	–	—	wfo-1200027483
Lactuca sect. Tuberosae	Boiss.	–	—	wfo-1000057243
Lactuca sect. Zollikoferiastrum	(Kirp.) Sennikov	Memoranda Soc. Fauna Fl. Fenn. 90: 94. 2014 [30 Dec 2014]		wfo-3400007335
Lactuca serriola var. integrata	(Gren. & Godr.) Beger	–	—	wfo-1200069180
Lactuca serriola var. integrata	Farw.	–		wfo-1200068496
Lactuca seticuspis	Boiss.	Fl. Orient. 3: 816 (1875)		wfo-0000037005
Lactuca siamense	Kerr	–	—	wfo-0001259620
Lactuca sonchifolia	DC.	Prodr. [A. P. de Candolle] 7(1): 134. 1838 [late Apr 1838]		wfo-0000060030
Lactuca sonchifolia	Pančić	in Verh. Zool.-Bot. Ges. Wien. vi. (1856) 559.		wfo-0000134449
Lactuca sonchoides	Boiss. & Balansa ex Boiss.	Fl. Orient. 3: 816 (1875)		wfo-0000060123
Lactuca songmaoensis	S.S.Ying	New Taxa New Names 7: 557 2024		wfo-1000076562
Lactuca spicata	Hitchc.	Trans. Acad. Sci. St. Louis 5: 506. 1892		wfo-0000135221
Lactuca spicata var. aurea	Jenn.	Ann. Carnegie Mus. 13: 440, tab. 33 (1922)		wfo-0001372780
Lactuca spicata var. multifida	A.Nelson & J.F.Macbr.	Bot. Gaz. 62: 152 (1916)		wfo-0001372781
Lactuca squarrosa f. indivisa	(Makino) Honda	Nom. Pl. Japonic. 362, 509. 1939 [23 Jun 1939]		wfo-1200029807
Lactuca squarrosa var. laciniata	Kuntze	–	—	wfo-1200069055
Lactuca stanekii	Domin	Preslia xiii-xv. 251 (1935)		wfo-0000045994
Lactuca stanekii	Domin	Preslia xiii-xv. 251 (1935)		wfo-0000050333
Lactuca stelbinsiana	N.Kilian	–	—	wfo-0000119992
Lactuca subg. Brachyrhamphus	(DC.) Jaub. & Spach	–	—	wfo-1000065877
Lactuca subg. Cyanoseris	(W.D.J.Koch) Peterm.	–	—	wfo-1200069181
Lactuca subg. Lactucopsis	(Sch.Bip.) Babc., Stebbins & J.A.Jenkins	–	—	wfo-1200069182
Lactuca subg. Microrhynchus	(Less.) Sch.Bip.	–	—	wfo-1000065881
Lactuca subg. Mulgedium	(Cass.) Babc., Stebbins & J.A.Jenkins	–	—	wfo-1200069183
Lactuca subg. Mycelis	(Cass.) Babc., Stebbins & J.A.Jenkins	–	—	wfo-1200069184
Lactuca subg. Phaenixopus	(Benth. & Hook.f.) Babc., Stebbins & J.A.Jenkins	–	—	wfo-1200069185
Lactuca subg. Pterachaenium	(Kitam.) Kirp.	–	—	wfo-1200069186
Lactuca subg. Scariola	Peterm.	–	—	wfo-1200069187
Lactuca sylvestris	Garsault	Fig. Pl. Med. 3: t. 316. 1764 , nom. inval., opus utique oppressum; Descr. Pl. Anim. 197. 1767; Thell. in Bull. Herb. Boiss. Ser. II. viii. 791		wfo-0000090239
Lactuca taraxacifolia	Schumach. & Thonn.	Beskr. Guin. Pl. 380. 1827		wfo-0000081798
Lactuca tatarica var. heterophylla	(Nutt.) B.Boivin	Phytologia 23: 125 (1972)		wfo-0000106986
Lactuca tatarinowii	Franch.	J. Bot. (Morot) ix. (1895) 293, in obs.		wfo-0000094109
Lactuca tenerrima	A.Chev.	Exploration Botanique de l'Afrique Occidentale Francaise ... 379 1920	—	wfo-0000010219
Lactuca thianschanica	(Regel & Schmalh.) Sennikov	Checkl. Vasc. Pl. Tian-Shan 401 2021		wfo-1000056914
Lactuca thunbergiana	Forbes & Hemsl.	J. Linn. Soc., Bot. 23: 484. 1886 [29 Dec 1886]		wfo-1000035919
Lactuca thunbergii var. atropurpurea	Nakai	Bot. Mag. (Tokyo) 42: 16 (1928)		wfo-0001381211
Lactuca triquetra	Benth. & Hook.f.	Gen. Pl. [Bentham & Hooker f.] 2(1): 525. 1873 [7-9 Apr 1873]		wfo-0000079719
Lactuca undulata var. albicaulis	C.H.An	Fl. Xinjiangensis 5: 480 (1999) (1999)		wfo-0001370488
Lactuca undulata var. pinnatipartita	Trautv.	–	—	wfo-1200069056
Lactuca villosa	Britton, Sterns & Poggenb.	Prelim. Cat. (1888) 31. [25 Apr 1888]		wfo-0000045016
Lactuca villosa	Muhl. ex Torr. & A.Gray	Fl. Am. 2: 497.		wfo-0000014452
Lactuca viminea	C.B.Clarke	Compos. Ind. 262. 1876		wfo-0000115560
Lactuca viminea f. integrifolia	(Lamt.) V.Ferakova	Gen. Lactuca Eur. 46. 1977		wfo-0001322876
Lactuca viminea subsp. chondrilliflora	(Boreau) Bonnier	Fl. Ill. France 6: 79. 1923	—	wfo-1200069297
Lactuca viminea subsp. chondrilliflora	(Boreau) Malag.	Subesp. Variación Geogr. 16, without basionym date. 1973		wfo-0000110407
Lactuca viminea subsp. viminea	–	–		wfo-0000097609
Lactuca viminea unr. chondrilliflora	(Boreau) Rouy	–	—	wfo-1200069188
Lactuca viminea var. allionii	Rouy	–	—	wfo-1200069057
Lactuca viminea var. cracoviensis	Rouy	–	—	wfo-1200069058
Lactuca viminea var. divaricata	Rouy	–	—	wfo-1200069059
Lactuca viminea var. latifolia	Vayr.	–	—	wfo-1200069060
Lactuca viminea var. leucocarpa	Trautv.	–	—	wfo-1200069061
Lactuca viminea var. virgata	Rouy	–	—	wfo-1200069062
Lactuca virosa	Luce	Fl. Osil. 260.		wfo-0000019255
Lactuca virosa f. lactucarii	(Lamotte) P.D.Sell	Fl. Gr. Brit. Ireland 4: 532. 2006 isonym		wfo-0001325663
Lactuca virosa f. virosa	–	–	—	wfo-0000054691
Lactuca virosa subsp. cornigera	(Pau & FontQuer) Emb. & Maire	Bull. Soc. Hist. Nat. Afrique N. 23: 198 (1932)		wfo-0000077476
Lactuca virosa var. integrifolia	Gray	Nat. Arr. Brit. Pl. 2: 417 (1821 publ. 1822)		wfo-0000100318
Lactuca wilhemsiana	Fisch & C.A.Mey. ex DC.	–	—	wfo-1000057244