⚠ Version 1.1 of The Plant List has been superseded and should no longer be used.

The new version is available at http://www.worldfloraonline.org. The new version is enhanced, using more data sources including Taxonomic Expert Networks and will be more frequently updated.

The genus Sium is in the family Apiaceae in the major group Angiosperms (Flowering plants).

Statistics are at the end of the page.

Species in Sium

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See "Status", "Confidence level", "Source" for definitions.

Name	Status	Confi­dence level	Source	Date supplied	Infra. rec.
Sium aberdarensum (C.Norman) M.Hiroe	Unresolved		WCSP (in review)	2012-03-23
Sium aquaticum Gueldenst. ex Ledeb.	Unresolved		WCSP (in review)	2012-03-23
Sium augustifolium L.	Unresolved		WCSP (in review)	2012-03-23
Sium berula Gouan	Unresolved		WCSP (in review)	2012-03-23
Sium berula J.F.Gmel.	Unresolved		WCSP (in review)	2012-03-23
Sium brevifolium DC.	Unresolved		WCSP (in review)	2012-03-23
Sium burchellii Hemsl.	Unresolved		WCSP (in review)	2012-03-23
Sium californicum Baill.	Unresolved		WCSP (in review)	2012-03-23
Sium carsonii Durand	Accepted		TRO	2012-04-18
Sium cicutarium W.H.Baxter	Unresolved		WCSP (in review)	2012-03-23
Sium crispum Noronha	Unresolved		WCSP (in review)	2012-03-23
Sium cyminosma Basiner	Unresolved		WCSP (in review)	2012-03-23
Sium difformum (L.) M.Hiroe	Unresolved		WCSP (in review)	2012-03-23
Sium diversifolium H.Wolff	Unresolved		WCSP (in review)	2012-03-23
Sium ferula Raeusch.	Unresolved		WCSP (in review)	2012-03-23
Sium ferulifolium Spreng.	Unresolved		WCSP (in review)	2012-03-23
Sium filifolium Thunb.	Unresolved		WCSP (in review)	2012-03-23
Sium floridanum Small	Accepted		TRO	2012-04-18
Sium frigidum Hand.-Mazz.	Accepted		TRO	2012-04-18
Sium gallabatense Schweinf.	Unresolved		WCSP (in review)	2012-03-23
Sium helenianum Hook.f.	Unresolved		WCSP (in review)	2012-03-23
Sium latifolium L.	Accepted		WCSP (in review)	2012-03-23
Sium latijugum C.B. Clarke	Accepted		TRO	2012-04-18
Sium latissimum Boreau	Unresolved		WCSP (in review)	2012-03-23
Sium lobatum Moon	Unresolved		WCSP (in review)	2012-03-23
Sium medium Fisch. & C.A. Mey.	Accepted		TRO	2012-04-18
Sium napiforme Schult.	Unresolved		WCSP (in review)	2012-03-23
Sium ninsi Thunb.	Accepted		TRO	2012-04-18
Sium novae-mexicae Koso-Pol.	Unresolved		WCSP (in review)	2012-03-23
Sium novi-mexici Koso-Pol.	Unresolved		WCSP (in review)	2012-03-23
Sium oppositifolium Kit. ex Schult.	Unresolved		WCSP (in review)	2012-03-23
Sium ovatum Yatabe	Unresolved		WCSP (in review)	2012-03-23
Sium petroselinum Vest	Unresolved		WCSP (in review)	2012-03-23
Sium podolicum Colla	Unresolved		WCSP (in review)	2012-03-23
Sium podolicum G.Don	Unresolved		WCSP (in review)	2012-03-23
Sium podolicum Besser ex Rchb.	Unresolved		WCSP (in review)	2012-03-23
Sium rigidum Hill	Unresolved		WCSP (in review)	2012-03-23
Sium sisarum L.	Accepted		WCSP (in review)	2012-03-23
Sium suave Walter	Accepted		WCSP (in review)	2012-03-23	1
Sium sulcatum Pers.	Unresolved		WCSP (in review)	2012-03-23
Sium tenue Kom.	Unresolved		WCSP (in review)	2012-03-23
Sium ternifolium B.Y.Lee & S.C.Ko	Unresolved		WCSP (in review)	2012-03-23
Sium trifoliatum Poir.	Unresolved		WCSP (in review)	2012-03-23
Sium triternatum Miq.	Unresolved		WCSP (in review)	2012-03-23
Sium turfosum H.Wolff	Unresolved		WCSP (in review)	2012-03-23
Sium vulgare Gueldenst. ex Ledeb.	Unresolved		WCSP (in review)	2012-03-23

Statistics

The Plant List includes 73 scientific plant names of species rank for the genus Sium. Of these 9 are accepted species names.

The Plant List includes a further 4 scientific plant names of infraspecific rank for the genus Sium. We do not intend The Plant List to be complete for names of infraspecific rank. These are primarily included because names of species rank are synonyms of accepted infraspecific names.

Species names

The status of the 73 species names for the genus Sium recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	9	12.3%
◕	Synonym	22	30.1%
◕	Unplaced	0	0%
◕	Unassessed	42	57.5%

All names

The status of the 77 names (including infraspecific names) for the genus Sium recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	10	13.0%
◕	Synonym	24	31.2%
◕	Unplaced	0	0%
◕	Unassessed	43	55.8%

Of the species names,

• 1 are recorded as illegitimate

The confidence with which the status of the 73 species names recorded in The Plant List for the genus Sium, are assigned as follows:

	Confidence level	Accepted	Synonym	Unplaced	Unassessed	Total
	High confidence	0	0	0	0	0	0%
	Medium confidence	9	22	0	0	31	42.5%
	Low confidence	0	0	0	42	42	57.5%

The source of the species name records found in The Plant List for the genus Sium is as follows: