The editorial status of this taxon is Unplaced
Silphium atropurpureum f. hirticaule
Fernald
Rhodora 41: 573 (1939)
wfo-0001321131
The editorial status of this taxon is Unplaced
Silphium chichamangense
Canby
Coult. Bot. Gaz. xxvii. 319.
—
wfo-0000088235
The editorial status of this taxon is Unplaced
Silphium chickamaugense
Canby
Bot. Gaz. 27: 319 (1899)
wfo-0000082189
The editorial status of this taxon is Unplaced
Silphium collinum
Greene
Pittonia 4(20): 44 (1899)
wfo-0000092456
The editorial status of this taxon is Unplaced
Silphium compositum f. orae
(Small ) L.M.Perry
Rhodora 39: 295 (1937)
wfo-0001321132
The editorial status of this taxon is Unplaced
Silphium compositum var. michauxii
Torr. & A.Gray
Fl. N. Amer. 2(2): 276 (1842)
wfo-0001377872
The editorial status of this taxon is Unplaced
Silphium compositum var. ovatifolium
Torr. & A.Gray
Fl. N. Amer. 2(2): 277 (1842)
wfo-0000080446
The editorial status of this taxon is Unplaced
Silphium compressum
hort.
ex Bull. Jard. Bot. Brux. 9(Fasc. suppl. 1): 11. 1931 , nomen
wfo-0000035915
The editorial status of this taxon is Unplaced
Silphium confertiflorum
Small
Man. S.E. Fl. 1509, sphalm. (1933)
wfo-0000124896
The editorial status of this taxon is Unplaced
Silphium dentatum f. nodum
(Small ) L.M.Perry
Rhodora 39: 293 (1937)
wfo-0001321133
The editorial status of this taxon is Unplaced
Silphium dissectum
Poir.
Encycl. , Suppl. 5: 157 (1817)
wfo-0000028969
The editorial status of this taxon is Unplaced
Silphium doronicifolium
Kunze
Del. Sem. Hort. Lips. 1846: 4. ; et in Linnaea, xx. (1847) 20.
wfo-0000009350
The editorial status of this taxon is Unplaced
Silphium equatoriale
Spruce
Genera Plantarum 2(1): 350 1873
—
wfo-0000030232
The editorial status of this taxon is Unplaced
Silphium equatoriale
Spruce ex Benth. & Hook.f.
Gen. Pl. 2(1): 350 (1873)
wfo-0000079217
The editorial status of this taxon is Unplaced
Silphium gatesii f. truncatum
L.M.Perry
Rhodora 39: 289 (1937)
wfo-0001321134
The editorial status of this taxon is Unplaced
Silphium glaucum
Weinm.
Hort. Dorpat. 143. ; ex DC. Prod. v. 571, in obs.
wfo-0000061571
The editorial status of this taxon is Unplaced
Silphium helianthoides
Greene
Pittonia 4(20): 43. 1899 [11 Apr 1899]
wfo-0000138535
The editorial status of this taxon is Unplaced
Silphium integrifolium var. integrifolium
Cronquist
Rhodora 47: 401 (1945)
wfo-0000107246
The editorial status of this taxon is Unplaced
Silphium integrifolium var. mesochorum
Benke
Rhodora 34: 10 (1932)
wfo-0001377873
The editorial status of this taxon is Unplaced
Silphium integrifolium var. ternatum
Alph.Wood
Class-book Bot., ed. 2. 336. 1847
wfo-0001377874
The editorial status of this taxon is Unplaced
Silphium laevigatum
Elliott
Sketch Bot. S. Carolina [Elliott] 2: 465. 1823
wfo-0000093027
The editorial status of this taxon is Unplaced
Silphium lanceolatum
Canby
Bot. Gaz. 27: 139, 319. 1899
wfo-0000021713
The editorial status of this taxon is Unplaced
Silphium latifolium
Hill
Hort. Kew. : 11
wfo-0000042502
The editorial status of this taxon is Unplaced
Silphium ovatum
Sessé & Moc.
Naturaleza (Mexico City) , ser. 2, 1(App.): 148 (1890)
wfo-0000076438
The editorial status of this taxon is Unplaced
Silphium perfoliatum f. petiolatum
E.J.Palmer & Steyerm.
Brittonia 10: 119 (1958)
wfo-0001321135
The editorial status of this taxon is Unplaced
Silphium perfoliatum var. conjunctum
(Willd. ) Pursh
Fl. Amer. Sept. 2: 577 (1813)
wfo-0001377875
The editorial status of this taxon is Unplaced
Silphium pinnatifidum
T.Nees
Flora vel Bot. Zeitung 15(1): 77. 1832
wfo-0000012706
The editorial status of this taxon is Unplaced
Silphium platypterum
Spruce ex Benth. & Hook.f.
Gen. Pl. 2(1): 350 (1873)
wfo-0000094813
The editorial status of this taxon is Unplaced
Silphium pumilum
Pursh
–
wfo-0000030299
The editorial status of this taxon is Unplaced
Silphium pumilum var. tomentosum
(Pursh ) Nutt.
Gen. N. Amer. Pl. 2: 183 (1818)
wfo-0001377876
The editorial status of this taxon is Unplaced
Silphium quercifolium
DC.
Prodr. 5: 513 (1836)
wfo-0000064361
The editorial status of this taxon is Unplaced
Silphium reniforme
Raf.
–
wfo-0000048518
The editorial status of this taxon is Unplaced
Silphium reticulatum
Raf.
Atlantic J. 148. 1832
wfo-0000020302
The editorial status of this taxon is Unplaced
Silphium rigidum
Moench
Suppl. Meth. : 258 (1802)
wfo-0000093477
The editorial status of this taxon is Unplaced
Silphium terebinthinaceum var. sinuatum
M.A.Curtis
Boston J. Nat. Hist. 7: 127 (1835)
wfo-0001377877
The editorial status of this taxon is Unplaced
Silphium ternatum var. atropurpureum
(Retz. ex Willd. ) DC.
Prodr. 5: 513 (1836)
wfo-0001377878
The editorial status of this taxon is Unplaced
Silphium ternatum var. atropurpureum
(Ritzb. ex Willd. ) DC.
–
wfo-0001391375
The editorial status of this taxon is Unplaced
Silphium trachopus
Raf.
Herb. 24; Atl. Journ. 178.
wfo-0000089563
The editorial status of this taxon is Unplaced
Silphium trifoliatum f. praecisum
L.M.Perry
Rhodora 39: 291 (1937)
wfo-0001321136
The editorial status of this taxon is Unplaced
Silphium trifoliatum var. trifoliatum
Cronquist
Rhodora 47: 401 (1945)
wfo-0000105166
The editorial status of this taxon is Unplaced
Silphium trifoliatum var. trifoliatum
L.
–
—
wfo-0000103364