Species Details

Astragalus albens

Cushenbury milk-vetch

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Classification

Scientific Name: Astragalus albens Greene
Common Name: Cushenbury milk-vetch
Family:	Fabaceae
Element Code:	PDFAB0F0A0
USDA Plants Symbol:	ASAL4
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	FE (1994-08-24)
State List:	None
Global Rank:	G1
State Rank:	S1
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2024-01-02

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Mar-Jun

Elevation:
1095 - 2000 meters
3595 - 6560 feet

General Habitats:

Joshua tree "woodland"
Mojavean desert scrub
Pinyon and juniper woodland

Microhabitat Details:

Microhabitat:

Carbonate (usually)
Granitic (rarely)

Notes

Notes: See Bulletin of the California Academy of Sciences 1:156 (1885) for original description, and Fremontia 16(1):20-21 (1988) for discussion of mining threats.
Threats: Threatened by carbonate mining, grazing, energy development, road construction, and vehicles.
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	9
	Total EOs	% of EOs
EOs with Threat Listed:	18	78 %
Mining	14	60%
ORV activity	9	39%
Road/trail construction/maint.	7	30%
Vandalism/dumping/litter	3	13%
Foot traffic/trampling	2	8%
Grazing	2	8%
Other	2	8%
Recreational use (non-ORV)	2	8%
Development	1	4%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					23
A	B	C	D	X	U
2	9	5	0	0	7

Occurrence Status:
Historical >20 Years	14
Recent <=20 Years	9

Presence:
Presumed Extant	23
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
San Bernardino (SBD)

Quads: Name (Quad Code)
Big Bear City (3411637), Cougar Buttes (3411647), Fawnskin (3411638), Rattlesnake Canyon (3411636)

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

Map

Presumed Extant

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CNPS Rare Plant Inventory