⚠ Version 1.1 of The Plant List has been superseded and should no longer be used.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 Ambrosia is in the family Compositae in the major group Angiosperms (Flowering plants).

Statistics are at the end of the page.

Species in Ambrosia

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

Name	Status	Confi­dence level	Source	Date supplied	Infra. rec.
Ambrosia acanthicarpa Hook.	Accepted		TICA	2012-02-11
Ambrosia acuminata (Brandegee) W.W.Payne	Accepted		TICA	2012-02-11
Ambrosia ambrosioides (Cav.) W.W.Payne	Accepted		TICA	2012-02-11
Ambrosia arborescens Mill.	Accepted		TICA	2012-02-11
Ambrosia arborescens Brandegee	Unresolved		TICA	2012-02-11
Ambrosia artemisiifolia L.	Accepted		TICA	2012-02-11	1
Ambrosia artemisioides Meyen & Walp.	Accepted		TICA	2012-02-11
Ambrosia aspera Larrañaga	Unresolved		TICA	2012-02-11
Ambrosia bidentata Michx.	Accepted		TICA	2012-02-11
Ambrosia bryantii (Curran) Payne	Accepted		TICA	2012-02-11
Ambrosia camphorata (Greene) W.W.Payne	Accepted		TICA	2012-02-11	1
Ambrosia canescens A.Gray	Accepted		TICA	2012-02-11
Ambrosia carduacea (Greene) W.W.Payne	Accepted		TICA	2012-02-11
Ambrosia chamissonis (Less.) Greene	Accepted		TICA	2012-02-11
Ambrosia cheiranthifolia A.Gray	Accepted		TICA	2012-02-11
Ambrosia chenopodiifolia (Benth.) W.W.Payne	Accepted		TICA	2012-02-11
Ambrosia confertiflora DC.	Accepted		TICA	2012-02-11
Ambrosia cordifolia (A.Gray) W.W.Payne	Accepted		TICA	2012-02-11
Ambrosia crithmifolia DC.	Accepted		TICA	2012-02-11
Ambrosia deltoidea (Torr.) W.W.Payne	Accepted		TICA	2012-02-11
Ambrosia dentata (Cabrera) M.O.Dillon	Accepted		TICA	2012-02-11
Ambrosia divaricata (Brandegee) Payne	Accepted		TICA	2012-02-11
Ambrosia diversifolia (Piper) Rydb.	Accepted		TICA	2012-02-11
Ambrosia dumosa (A.Gray) W.W.Payne	Accepted		TICA	2012-02-11
Ambrosia eriocentra (A.Gray) W.W.Payne	Accepted		TICA	2012-02-11
Ambrosia flexuosa (A.Gray) W.W.Payne	Accepted		TICA	2012-02-11
Ambrosia grayi (A.Nelson) Shinners	Accepted		TICA	2012-02-11
Ambrosia × helenae Rouleau	Accepted		TICA	2012-02-11
Ambrosia heterophylla Muhl.	Unresolved		TICA	2012-02-11
Ambrosia hispida Pursh	Accepted		TICA	2012-02-11
Ambrosia humilis Vell.	Unresolved		TICA	2012-02-11
Ambrosia ilicifolia (A.Gray) W.W.Payne	Accepted		TICA	2012-02-11
Ambrosia integrifolia Muhl.	Unresolved		TICA	2012-02-11
Ambrosia × intergradiens W.H.Wagner	Accepted		TICA	2012-02-11
Ambrosia johnstoniorum Henrickson	Accepted		TICA	2012-02-11
Ambrosia linearis (Rydb.) W.W.Payne	Accepted		TICA	2012-02-11
Ambrosia longistylis Nutt.	Unresolved		TICA	2012-02-11
Ambrosia longistylis A.Gray	Unresolved		TICA	2012-02-11
Ambrosia magdalenae (Brandegee) W.W.Payne	Accepted		TICA	2012-02-11
Ambrosia maritima L.	Accepted		TICA	2012-02-11
Ambrosia media Rydb.	Unresolved		TICA	2012-02-11
Ambrosia mexicana Hort. ex Bedevian	Unresolved		TICA	2012-02-11
Ambrosia microcephala DC.	Accepted		TICA	2012-02-11
Ambrosia monogyra (Torr. & A.Gray) Strother & B.G.Baldwin	Accepted		TICA	2012-02-11
Ambrosia nivea (B.L.Rob. & Fernald) W.W.Payne	Accepted		TICA	2012-02-11
Ambrosia pannosa W.W.Payne	Accepted		TICA	2012-02-11
Ambrosia peruviana Willd.	Accepted		TICA	2012-02-11
Ambrosia pitcheri Torr.	Unresolved		TICA	2012-02-11
Ambrosia × platysperma (Seaman) Strother & B.G. Baldw.	Unresolved		TICA	2012-02-11
Ambrosia × platyspina (Seaman) Strother & B.G.Baldwin	Accepted		TICA	2012-02-11
Ambrosia polystachya DC.	Accepted		TICA	2012-02-11
Ambrosia psilostachya DC.	Accepted		TICA	2012-02-11
Ambrosia pumila (Nutt.) A.Gray	Accepted		TICA	2012-02-11
Ambrosia purpurascens Ten.	Unresolved		TICA	2012-02-11
Ambrosia salsola (Torr. & A.Gray) Strother & B.G.Baldwin	Accepted		TICA	2012-02-11
Ambrosia scabra Hook. & Arn.	Accepted		TICA	2012-02-11
Ambrosia striata Rydb.	Unresolved		TICA	2012-02-11
Ambrosia tacorensis Meyen	Accepted		TICA	2012-02-11
Ambrosia tarapacana Phil.	Accepted		TICA	2012-02-11
Ambrosia tenuifolia Spreng.	Accepted		TICA	2012-02-11
Ambrosia tomentosa Nutt.	Accepted		TICA	2012-02-11
Ambrosia trifida L.	Accepted		TICA	2012-02-11
Ambrosia variabilis Rydb.	Unresolved		TICA	2012-02-11
Ambrosia velutina O.E.Schulz	Accepted		TICA	2012-02-11
Ambrosia villosissima Forssk.	Accepted		TICA	2012-02-11

Statistics

The Plant List includes 196 scientific plant names of species rank for the genus Ambrosia. Of these 51 are accepted species names.

The Plant List includes a further 81 scientific plant names of infraspecific rank for the genus Ambrosia. 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 196 species names for the genus Ambrosia recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	51	26.0%
◕	Synonym	127	64.8%
◕	Unplaced	1	0.5%
◕	Unassessed	17	8.7%

All names

The status of the 277 names (including infraspecific names) for the genus Ambrosia recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	51	18.4%
◕	Synonym	203	73.3%
◕	Unplaced	2	0.7%
◕	Unassessed	21	7.6%

Of the species names,

• 14 are recorded as illegitimate

The confidence with which the status of the 196 species names recorded in The Plant List for the genus Ambrosia, are assigned as follows:

	Confidence level	Accepted	Synonym	Unplaced	Unassessed	Total
	High confidence	0	0	0	0	0	0%
	Medium confidence	43	101	0	0	144	73.5%
	Low confidence	8	26	1	17	52	26.5%

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