CNPS Inventory Plant Detail

Ambrosia chenopodiifolia

Common Name:	San Diego bur-sage
Family:	Asteraceae
Synonyms:
Element Code:	PDAST0C080
Full Name:	Ambrosia chenopodiifolia (Benth.) Payne
USDA PLANTS Symbol:	AMCH5

Biology
Lifeform: perennial shrub Blooming Period: April - June Habitat: • Coastal scrub

Rarity Status
CA Rare Plant Rank: 2.1 Rare, threatened, or endangered in California, but more common elsewhere .1: Seriously endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2.1 S2: Imperiled. .1: Very threatened. Global Rank: G3? G3: Vulnerable.

Occurrence Data from DFG
California Natural Diversity Database

Historic >20 yrs	Recent <=20 yrs
9	3

Presence:

Present Extant	Possibly Extirpated	Extirpated
10	1	1

Notes
Known in CA from fewer than 15 occurrences. Threatened by development. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 1974-01-01 Last Update: 2010-03-15

Location

Elevation: 55 - 155 meters

California Endemic: no

States: California, Baja California

California Counties and Islands: name (code)
San Diego (SDG)

Quads: name (DWR code) USGS code
Otay Mesa (010C) 32116E8, National City (011A) 32117F1, Imperial Beach (011D) 32117E1

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-117.0,32.5