CNPS Inventory Plant Detail

Astragalus lentiginosus var. sierrae

Common Name:	Big Bear Valley milk-vetch
Family:	Fabaceae
Synonyms:
Element Code:	PDFAB0FB9L
Full Name:	Astragalus lentiginosus Hook. var. sierrae Jones
USDA PLANTS Symbol:	ASLES5

Biology
Lifeform: perennial herb Blooming Period: April - August Habitat: gravelly or rocky. • Mojavean desert scrub • Meadows and seeps • Pinyon and juniper woodland • Upper montane coniferous forest

Rarity Status
CA Rare Plant Rank: 1B.2 Rare, threatened, or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G5T2 T2: Imperiled. G5: (species) Secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 68
Element Occurrence Ranks:

A B C D X U

2 5 12 4 0 45

Population Status:

Historic >20 yrs	Recent <=20 yrs
12	56

Presence:

Present Extant	Possibly Extirpated	Extirpated
68	0	0

Notes

Known only from Big Bear Valley and the Baldwin Lake region. Threatened by urbanization, illegal dumping, mining, road construction, vegetation/fuel management activities, road maintenance, and recreational activities. See Revision of North American Species of Astragalus, p. 124 (1923) by M. E. Jones for original description, and Memoirs of the New York Botanical Garden 13:925 (1964) for taxonomic treatment.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 1994-01-01
Last Update: 2010-03-15

Location

Elevation: 1800 - 2600 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Los Angeles (LAX), San Bernardino (SBD), Ventura (VEN)

Quads: name (DWR code) USGS code
Onyx Peak (104B) 34116B6, Moonridge (105A) 34116B7, Big Bear Lake (105B) 34116B8, Rattlesnake Canyon (130C) 34116C6, Fawnskin (131C) 34116C8, Big Bear City (131D) 34116C7, Butler Peak (132D) 34117C1, Mount San Antonio (134C) 34117C6

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

1579

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 .

-116.875,34.25