⚠ Version 1 of The Plant List has been superseded.

You should refer instead to the current version of The Plant List.

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
Ambrosia acanthicarpa Hook.	Accepted		TICA
Ambrosia acuminata (Brandegee) W.W.Payne	Accepted		TICA
Ambrosia ambrosioides (Cav.) W.W.Payne	Accepted		TICA
Ambrosia arborescens Mill.	Accepted		TICA
Ambrosia artemisiifolia L.	Accepted		TICA
Ambrosia artemisioides Meyen & Walp.	Accepted		TICA
Ambrosia bidentata Michx.	Accepted		TICA
Ambrosia bryantii (Curran) Payne	Accepted		TICA
Ambrosia camphorata (Greene) W.W.Payne	Accepted		TICA
Ambrosia canescens A.Gray	Accepted		TICA
Ambrosia carduacea (Greene) W.W.Payne	Accepted		TICA
Ambrosia chamissonis (Less.) Greene	Accepted		TICA
Ambrosia cheiranthifolia A.Gray	Accepted		TICA
Ambrosia chenopodiifolia (Benth.) W.W.Payne	Accepted		TICA
Ambrosia confertiflora DC.	Accepted		TICA
Ambrosia cordifolia (A.Gray) W.W.Payne	Accepted		TICA
Ambrosia deltoidea (Torr.) W.W.Payne	Accepted		TICA
Ambrosia dentata (Cabrera) M.O.Dillon	Accepted		TICA
Ambrosia divaricata (Brandegee) Payne	Accepted		TICA
Ambrosia diversifolia (Piper) Rydb.	Accepted		TICA
Ambrosia dumosa (A.Gray) W.W.Payne	Accepted		TICA
Ambrosia eriocentra (A.Gray) W.W.Payne	Accepted		TICA
Ambrosia flexuosa (A.Gray) W.W.Payne	Accepted		TICA
Ambrosia grayi (A.Nelson) Shinners	Accepted		TICA
Ambrosia × helenae Rouleau	Accepted		TICA
Ambrosia hispida Pursh	Accepted		TICA
Ambrosia ilicifolia (A.Gray) W.W.Payne	Accepted		TICA
Ambrosia × intergradiens W.H.Wagner	Accepted		TICA
Ambrosia johnstoniorum Henrickson	Accepted		TICA
Ambrosia linearis (Rydb.) W.W.Payne	Accepted		TICA
Ambrosia magdalenae (Brandegee) W.W.Payne	Accepted		TICA
Ambrosia maritima L.	Accepted		TICA
Ambrosia microcephala DC.	Accepted		TICA
Ambrosia monogyra (Torr. & A.Gray) Strother & B.G.Baldwin	Accepted		TICA
Ambrosia nivea (B.L.Rob. & Fernald) W.W.Payne	Accepted		TICA
Ambrosia pannosa W.W.Payne	Accepted		TICA
Ambrosia peruviana Willd.	Accepted		TICA
Ambrosia × platyspina (Seaman) Strother & B.G.Baldwin	Accepted		TICA
Ambrosia polystachya DC.	Accepted		TICA
Ambrosia psilostachya DC.	Accepted		TICA
Ambrosia pumila (Nutt.) A.Gray	Accepted		TICA
Ambrosia salsola (Torr. & A.Gray) Strother & B.G.Baldwin	Accepted		TICA
Ambrosia scabra Hook. & Arn.	Accepted		TICA
Ambrosia tacorensis Meyen	Accepted		TICA
Ambrosia tarapacana Phil.	Accepted		TICA
Ambrosia tenuifolia Spreng.	Accepted		TICA
Ambrosia tomentosa Nutt.	Accepted		TICA
Ambrosia trifida L.	Accepted		TICA
Ambrosia velutina O.E.Schulz	Accepted		TICA
Ambrosia villosissima Forssk.	Accepted		TICA

Statistics

The Plant List includes 108 scientific plant names of species rank for the genus Ambrosia. Of these 50 are accepted species names.

The Plant List includes a further 34 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 108 species names for the genus Ambrosia recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	50	46.3%
◕	Synonym	43	39.8%
◕	Unplaced	0	0%
◕	Unassessed	15	13.9%

All names

The status of the 142 names (including infraspecific names) for the genus Ambrosia recorded in The Plant List, are as follows:

	Status	Total
◕	Accepted	53	37.3%
◕	Synonym	72	50.7%
◕	Unplaced	0	0%
◕	Unassessed	17	12.0%

Of these names,

• 8 are recorded as illegitimate

The confidence with which the status of the 108 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	40	0	0	83	76.9%
	Low confidence	7	3	0	15	25	23.1%

The source of the species name record found in The Plant List for the genus Ambrosia, are as follows: