CNPS

CNPS Rare Plant Inventory

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: 2021-08-25

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Mar-Jun
Elevation:
1095 - 2000 meters
3595 - 6560 feet
General Habitat:
  • Joshua tree "woodland"
  • Mojavean desert scrub
  • Pinyon and juniper woodland
General Micro Habitat:
Micro Habitat:
  • Carbonate (usually)
  • Granitic (rarely)

Notes

Notes:
Threatened by carbonate mining, grazing, energy development, road construction, and vehicles. 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:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Total Occurrences: 23
Element Occurrence Ranks:
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
Print this Map
Counties   Quads

Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2022. Rare Plant Inventory (online edition, v9-01 1.5). Website https://www.rareplants.cnps.org [accessed 4 July 2022].