Erysimum capitatum var. angustatum

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Scientific Name: Erysimum capitatum (Douglas) Greene var. angustatum (Greene) Rossbach
Common Name: Contra Costa wallflower
Family:	Brassicaceae
Element Code:	PDBRA16052
USDA Plants Symbol:	ERCAA
Synonyms/Other Names:

Lifeform: perennial herb

Blooming Period: Mar-Jul

Elevation:
3 - 20 meters
10 - 65 feet

General Habitats:

Microhabitat Details:

Microhabitat:

Notes: Known only from the Antioch Dunes. Seriously threatened by mining, agricultural conversion, non-native plants, and industrial development. Recovery work in progress. See Pittonia 3:132 (1896) for original description, Aliso 4(1):115-124 (1958) for taxonomic treatment, and Biological Conservation 65:257-278 (1993) for population biology.
Threats:
Taxonomy:

THREAT LIST:
Threat List Total:	4
	Total EOs	% of EOs
EOs with Threat Listed:	3	75 %
Development	2	50%
Non-native plant impacts	2	50%
Road/trail construction/maint.	2	50%
Disking	1	25%

Occurrence Status:
Historical >20 Years	2
Recent <=20 Years	2

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Contra Costa (CCA)

Quads: Name (Quad Code)
Antioch North (3812117), Brentwood (3712186), Honker Bay (3812118), Jersey Island (3812116)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Presumed Extant

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CNPS Rare Plant Inventory