Astragalus webberi

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Scientific Name: Astragalus webberi Gray
Common Name: Webber's milk-vetch
Family:	Fabaceae
Element Code:	PDFAB0F9J0
USDA Plants Symbol:	ASWE
Synonyms/Other Names:

Lifeform: perennial herb

Blooming Period: May-Jul

Elevation:
731 - 1250 meters
2400 - 4100 feet

General Habitats:

Microhabitat Details:

Microhabitat:

Notes: Undocumented in SIE Co.; need quads. Threatened by illegal dumping, mining, non-native plants, road construction, road maintenance, and vehicles. See Botany of California 1:154 (1876) for original description.
Threats:
Taxonomy:

THREAT LIST:
Threat List Total:	9
	Total EOs	% of EOs
EOs with Threat Listed:	10	83 %
Road/trail construction/maint.	9	75%
Other	4	33%
Vandalism/dumping/litter	3	25%
ORV activity	2	16%
Wood cutting or brush clearing	1	8%
Recreational use (non-ORV)	1	8%
Logging	1	8%
Mining	1	8%
Non-native plant impacts	1	8%

Occurrence Status:
Historical >20 Years	7
Recent <=20 Years	5

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Plumas (PLU)

Quads: Name (Quad Code)
Caribou (4012112), Crescent Mills (4012018), Taylorsville (4012017), Twain (4012111)

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