| Sium aberdarensum (C.Norman) M.Hiroe |
Unresolved |
 |
WCSP (in review) |
| Sium ammi Vest |
Unresolved |
 |
WCSP (in review) |
| Sium amomum Roth |
Unresolved |
 |
WCSP (in review) |
| Sium angustifolium L. |
Synonym |
 |
TRO |
| Sium annuum Roth |
Unresolved |
 |
WCSP (in review) |
| Sium apium Roth |
Synonym |
 |
TRO |
| Sium aquaticum Gueldenst. ex Ledeb. |
Unresolved |
 |
WCSP (in review) |
| Sium aromaticum Lam. |
Unresolved |
 |
WCSP (in review) |
| Sium asperum Thunb. |
Unresolved |
 |
WCSP (in review) |
| Sium augustifolium L. |
Unresolved |
 |
WCSP (in review) |
| Sium berula Gouan |
Unresolved |
 |
WCSP (in review) |
| Sium berula J.F.Gmel. |
Unresolved |
 |
WCSP (in review) |
| Sium bracteatum (Roxb.) Cronk |
Unresolved |
 |
WCSP (in review) |
| Sium brevifolium DC. |
Unresolved |
 |
WCSP (in review) |
| Sium bulbocastanum Spreng. |
Unresolved |
 |
WCSP (in review) |
| Sium bulbosum Thore |
Unresolved |
 |
WCSP (in review) |
| Sium bulbosum Poir. |
Unresolved |
 |
WCSP (in review) |
| Sium burchellii Hemsl. |
Unresolved |
 |
WCSP (in review) |
| Sium californicum Baill. |
Unresolved |
 |
WCSP (in review) |
| Sium canadense Lam. |
Unresolved |
 |
WCSP (in review) |
| Sium carsonii Durand |
Synonym |
 |
TRO |
| Sium carum F.H.Wigg. |
Unresolved |
 |
WCSP (in review) |
| Sium carvi Bernh. |
Unresolved |
 |
WCSP (in review) |
| Sium cicuta F.H.Wigg. |
Unresolved |
 |
WCSP (in review) |
| Sium cicutarium W.H.Baxter |
Unresolved |
 |
WCSP (in review) |
| Sium cicutifolium Schrenk |
Synonym |
 |
TRO |
| Sium cicutifolium var. carsonii (Durand) Eames |
Synonym |
 |
TRO |
| Sium cicutifolium var. heterophyllum (Greene) Jeps. |
Unresolved |
 |
TRO |
| Sium cicutifolium var. lineare H.Wolff |
Unresolved |
 |
WCSP (in review) |
| Sium conium Vest |
Synonym |
 |
TRO |
| Sium cordiennii Loisel. |
Unresolved |
 |
WCSP (in review) |
| Sium coriaudrum Vest |
Unresolved |
 |
WCSP (in review) |
| Sium crassipes Spreng. |
Unresolved |
 |
WCSP (in review) |
| Sium crinitum Poir. |
Unresolved |
 |
WCSP (in review) |
| Sium crispum Noronha |
Unresolved |
 |
WCSP (in review) |
| Sium cyminosma Basiner |
Unresolved |
 |
WCSP (in review) |
| Sium cynapium Vest |
Unresolved |
 |
WCSP (in review) |
| Sium decumbens Thunb. |
Unresolved |
 |
WCSP (in review) |
| Sium denticulatum Baldwin ex Elliott |
Synonym |
 |
TRO |
| Sium difformum (L.) M.Hiroe |
Unresolved |
 |
WCSP (in review) |
| Sium diversifolium H.Wolff |
Unresolved |
 |
WCSP (in review) |
| Sium douglasii DC. |
Synonym |
 |
TRO |
| Sium erectum Huds. |
Synonym |
 |
WCSP (in review) |
| Sium falcaria L. |
Synonym |
 |
TRO |
| Sium falcatum Dubois |
Unresolved |
 |
WCSP (in review) |
| Sium ferula Raeusch. |
Unresolved |
 |
WCSP (in review) |
| Sium ferulifolium Spreng. |
Unresolved |
 |
WCSP (in review) |
| Sium filifolium Steud. |
Unresolved |
 |
WCSP (in review) |
| Sium filifolium Thunb. |
Unresolved |
 |
WCSP (in review) |
| Sium floridanum Small |
Synonym |
 |
TRO |
| Sium formosanum Hayata |
Synonym |
 |
TRO |
| Sium frigidum Hand.-Mazz. |
Accepted |
 |
TRO |
| Sium gallabatense Schweinf. |
Unresolved |
 |
WCSP (in review) |
| Sium glaucum Vest |
Unresolved |
 |
WCSP (in review) |
| Sium graecum Guss. ex Spreng. |
Unresolved |
 |
WCSP (in review) |
| Sium graecum Lour. |
Unresolved |
 |
WCSP (in review) |
| Sium graecum L. |
Unresolved |
 |
WCSP (in review) |
| Sium grandiflorum Thunb. |
Unresolved |
 |
WCSP (in review) |
| Sium graveolens Vest |
Synonym |
 |
TRO |
| Sium helenianum Hook.f. |
Unresolved |
 |
WCSP (in review) |
| Sium heterophyllum Greene |
Synonym |
 |
TRO |
| Sium hippomarathrum Roth |
Unresolved |
 |
WCSP (in review) |
| Sium hispidum Thunb. |
Unresolved |
 |
WCSP (in review) |
| Sium incisum Torr. |
Synonym |
 |
TRO |
| Sium intermedium DC. |
Unresolved |
 |
WCSP (in review) |
| Sium intermedium Ten. |
Unresolved |
 |
WCSP (in review) |
| Sium inundatum Lam. |
Unresolved |
 |
WCSP (in review) |
| Sium japonicum Thunb. |
Unresolved |
 |
WCSP (in review) |
| Sium javanicum Blume |
Synonym |
 |
TRO |
| Sium laciniatum Blume |
Unresolved |
 |
WCSP (in review) |
| Sium lancifolium M.Bieb. |
Unresolved |
 |
WCSP (in review) |
| Sium lancifolium Schrank |
Unresolved |
 |
WCSP (in review) |
| Sium latifolium L. |
Accepted |
 |
TRO |
| Sium latijugum C.B.Clarke |
Unresolved |
 |
WCSP (in review) |
| Sium latissimum Boreau |
Unresolved |
 |
WCSP (in review) |
| Sium limosum Moris ex DC. |
Unresolved |
 |
WCSP (in review) |
| Sium lineare Michx. |
Unresolved |
 |
WCSP (in review) |
| Sium lobatum Moon |
Unresolved |
 |
WCSP (in review) |
| Sium longifolium Pursh |
Synonym |
 |
TRO |
| Sium luteum Spreng. |
Unresolved |
 |
WCSP (in review) |
| Sium marginatum Poir. |
Unresolved |
 |
WCSP (in review) |
| Sium matsumurae H. Boissieu |
Synonym |
 |
TRO |
| Sium medium Fisch. & C.A. Mey. |
Accepted |
 |
TRO |
| Sium napiforme Schult. |
Unresolved |
 |
WCSP (in review) |
| Sium neurophyllum (Maxim.) H. Hara |
Synonym |
 |
TRO |
| Sium ninsi Thunb. |
Accepted |
 |
TRO |
| Sium nipponicum Maxim. |
Synonym |
 |
TRO |
| Sium nodiflorum L. |
Synonym |
 |
WCSP (in review) |
| Sium nodiflorum Walter |
Synonym |
 |
TRO |
| Sium novae-mexicae Koso-Pol. |
Unresolved |
 |
WCSP (in review) |
| Sium novi-mexici Koso-Pol. |
Unresolved |
 |
WCSP (in review) |
| Sium nudicaule Lam. |
Unresolved |
 |
WCSP (in review) |
| Sium oppositifolium Kit. ex Schult. |
Unresolved |
 |
WCSP (in review) |
| Sium orientale Soó |
Synonym |
 |
TRO |
| Sium ovatum Yatabe |
Unresolved |
 |
WCSP (in review) |
| Sium paniculatum Thunb. |
Synonym |
 |
TRO |
| Sium patulum Thunb. |
Unresolved |
 |
WCSP (in review) |
| Sium petroselinum Vest |
Unresolved |
 |
WCSP (in review) |
| Sium peucedanoides Spreng. |
Unresolved |
 |
WCSP (in review) |
| Sium podagraria F.H.Wigg. |
Unresolved |
 |
WCSP (in review) |
| Sium podolicum Colla |
Unresolved |
 |
WCSP (in review) |
| Sium podolicum G.Don |
Unresolved |
 |
WCSP (in review) |
| Sium podolicum Besser ex Rchb. |
Unresolved |
 |
WCSP (in review) |
| Sium pusillum Nutt. |
Synonym |
 |
TRO |
| Sium radiatum Viv. |
Unresolved |
 |
WCSP (in review) |
| Sium repandum Welw. ex Hiern |
Accepted |
 |
WCSP (in review) |
| Sium repens Jacq. |
Synonym |
 |
WCSP (in review) |
| Sium rigidius L. |
Synonym |
 |
TRO |
| Sium rugosum Raf. |
Unresolved |
 |
WCSP (in review) |
| Sium saxifragum Roth |
Unresolved |
 |
WCSP (in review) |
| Sium segetum Lam. |
Unresolved |
 |
WCSP (in review) |
| Sium serrum (Franch. & Sav.) Kitag. |
Synonym |
 |
TRO |
| Sium siculum L. |
Synonym |
 |
TRO |
| Sium silaus Roth |
Unresolved |
 |
WCSP (in review) |
| Sium simense J.Gay ex A.Rich. |
Unresolved |
 |
WCSP (in review) |
| Sium sisaroideum DC. |
Accepted |
 |
TRO |
| Sium sisarum L. |
Unresolved |
 |
WCSP (in review) |
| Sium stoloniferum Guss. |
Unresolved |
 |
WCSP (in review) |
| Sium suave Walter |
Accepted |
 |
WCSP (in review) |
| Sium suave f. carsonii (Durand) Fassett |
Accepted |
 |
TRO |
| Sium suave var. floridanum (Small) C.F. Reed |
Accepted |
 |
TRO |
| Sium sulcatum Pers. |
Unresolved |
 |
WCSP (in review) |
| Sium tenue Kom. |
Unresolved |
 |
WCSP (in review) |
| Sium tenuifolium Muhl. |
Unresolved |
 |
WCSP (in review) |
| Sium teretifolium Elliott |
Unresolved |
 |
WCSP (in review) |
| Sium testiculatum Vest |
Unresolved |
 |
WCSP (in review) |
| Sium thunbergii DC. |
Synonym |
 |
TRO |
| Sium tortuosum Roth |
Unresolved |
 |
WCSP (in review) |
| Sium tricuspidatum Elliott |
Unresolved |
 |
WCSP (in review) |
| Sium trifoliatum Poir. |
Unresolved |
 |
WCSP (in review) |
| Sium triternatum Moon |
Unresolved |
 |
WCSP (in review) |
| Sium triternatum Miq. |
Unresolved |
 |
WCSP (in review) |
| Sium turfosum H.Wolff |
Unresolved |
 |
WCSP (in review) |
| Sium verrucosum J.Gay ex A.Rich. |
Unresolved |
 |
WCSP (in review) |
| Sium verticillatum Petters ex Rchb. |
Unresolved |
 |
WCSP (in review) |
| Sium verticillatum Lam. |
Unresolved |
 |
WCSP (in review) |
| Sium villosum Thunb. |
Unresolved |
 |
WCSP (in review) |
| Sium virens Steud. |
Unresolved |
 |
WCSP (in review) |
| Sium virescens Spreng. |
Unresolved |
 |
WCSP (in review) |
| Sium visnaga Stokes |
Unresolved |
 |
WCSP (in review) |
| Sium vulgare Gueldenst. ex Ledeb. |
Unresolved |
 |
WCSP (in review) |
| Sium vulgare Bernh. |
Unresolved |
 |
WCSP (in review) |