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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 Xanthium is in the family Compositae in the major group Angiosperms (Flowering plants).

Statistics are at the end of the page.

Species in Xanthium

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

Name	Status	Confi­dence level	Source	Date supplied	Infra. rec.
Xanthium albinum (Widd.) Scholz & Sukopp	Accepted		TICA	2012-02-11
Xanthium almerae Sennen	Unresolved		TICA	2012-02-11
Xanthium anatolicum Boiss. & Heldr.	Unresolved		TICA	2012-02-11
Xanthium annuum Georgi	Unresolved		TICA	2012-02-11
Xanthium argenteum Widder	Accepted		TICA	2012-02-11
Xanthium basilei Sennen	Unresolved		TICA	2012-02-11
Xanthium × bitteri P.Fourn.	Unresolved		TICA	2012-02-11
Xanthium brachyacanthum Wallr.	Unresolved		TICA	2012-02-11
Xanthium brevirostre Hochst. ex A.Rich.	Unresolved		TICA	2012-02-11
Xanthium × bushii Widder	Unresolved		TICA	2012-02-11
Xanthium canadense sabbat. ex Nyman	Unresolved		TICA	2012-02-11
Xanthium catalaunicum Sennen	Unresolved		TICA	2012-02-11
Xanthium catharticum Kunth	Accepted		TICA	2012-02-11
Xanthium cavanillesii Schouw ex Didr.	Accepted		TICA	2012-02-11
Xanthium chrysacanthum Costa ex Widder	Unresolved		TICA	2012-02-11
Xanthium eriocarpon Wallr.	Unresolved		TICA	2012-02-11
Xanthium faurae Sennen	Unresolved		TICA	2012-02-11
Xanthium hispanicum Sennen	Unresolved		TICA	2012-02-11
Xanthium humile Heynh.	Unresolved		TICA	2012-02-11
Xanthium inaequilaterum DC.	Accepted		TICA	2012-02-11
Xanthium inflexum "Mackenzie, Bush & Widder"	Unresolved		TICA	2012-02-11
Xanthium intermedium Cuatrec.	Unresolved		TICA	2012-02-11
Xanthium laevigatum Muhl. ex Wallr.	Unresolved		TICA	2012-02-11
Xanthium maculatum Raf.	Unresolved		TICA	2012-02-11
Xanthium microcarpum Sennen	Unresolved		TICA	2012-02-11
Xanthium natalense Widder	Accepted		TICA	2012-02-11
Xanthium nigri "Ces, Passer & Gibelli"	Unresolved		TICA	2012-02-11
Xanthium numidicum Jord. & Fourr.	Unresolved		TICA	2012-02-11
Xanthium orientale L.	Accepted		TICA	2012-02-11	4
Xanthium orientale Cav.	Unresolved		TICA	2012-02-11
Xanthium × parodii Widder	Unresolved		TICA	2012-02-11
Xanthium parvifolium DC.	Unresolved		TICA	2012-02-11
Xanthium pungens Wallr.	Accepted		TICA	2012-02-11
Xanthium revelieri Jord. & Fourr.	Unresolved		TICA	2012-02-11
Xanthium saccharatum Wallr. & Widder	Accepted		TICA	2012-02-11
Xanthium sallentii Sennen	Unresolved		TICA	2012-02-11
Xanthium × shullii Widder	Unresolved		TICA	2012-02-11
Xanthium silphifolium Greene	Unresolved		TICA	2012-02-11
Xanthium spinosum L.	Accepted		TICA	2012-02-11
Xanthium strumarium Lour.	Unresolved		TICA	2012-02-11
Xanthium strumarium Elliott	Unresolved		TICA	2012-02-11
Xanthium strumarium L.	Accepted		TICA	2012-02-11	2
Xanthium vayredae Sennen	Unresolved		TICA	2012-02-11
Xanthium vulgare Lam.	Unresolved		TICA	2012-02-11
Xanthium wallrothii Widder	Unresolved		TICA	2012-02-11
Xanthium widderi Sennen	Unresolved		TICA	2012-02-11
Xanthium wootoni Auct.	Unresolved		TICA	2012-02-11
Xanthium xanthocarpum Wallr.	Unresolved		TICA	2012-02-11

Statistics

The Plant List includes 133 scientific plant names of species rank for the genus Xanthium. Of these 11 are accepted species names.

The Plant List includes a further 79 scientific plant names of infraspecific rank for the genus Xanthium. 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 133 species names for the genus Xanthium recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	11	8.3%
◕	Synonym	85	63.9%
◕	Unplaced	0	0%
◕	Unassessed	37	27.8%

All names

The status of the 212 names (including infraspecific names) for the genus Xanthium recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	16	7.5%
◕	Synonym	158	74.5%
◕	Unplaced	0	0%
◕	Unassessed	38	17.9%

Of the species names,

• 2 are recorded as invalid
• 4 are recorded as illegitimate

The confidence with which the status of the 133 species names recorded in The Plant List for the genus Xanthium, are assigned as follows:

	Confidence level	Accepted	Synonym	Unplaced	Unassessed	Total
	High confidence	0	0	0	0	0	0%
	Medium confidence	9	85	0	0	94	70.7%
	Low confidence	2	0	0	37	39	29.3%

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