CNPS Inventory Plant Detail

Astragalus preussii var. laxiflorus

Common Name:	Lancaster milk-vetch
Family:	Fabaceae
Synonyms:
Element Code:	PDFAB0F721
Full Name:	Astragalus preussii Gray var. laxiflorus Gray
USDA PLANTS Symbol:	ASPRL2

Biology
Lifeform: perennial herb Blooming Period: March - May Habitat: • Chenopod scrub

Rarity Status
CA Rare Plant Rank: 1B.1 Rare, threatened, or endangered in California and elsewhere .1: Seriously endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S1 S1: Critically Imperiled. Global Rank: G4T2 T2: Imperiled. G4: (species) Apparently secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Historic >20 yrs	Recent <=20 yrs
5	0

Presence:

Present Extant	Possibly Extirpated	Extirpated
3	2	0

Notes

Known in CA only from near Lancaster and Edwards AFB, where extremely rare; only reported once in recent years. Field work needed. See Proceedings of the American Academy of Arts and Sciences 13:369 (1878) for original description, and Memoirs of the New York Botanical Garden 13:576 (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: 1988-01-01
Last Update: 2010-03-15

Location

Elevation:

California Endemic: no

States: California, Arizona, Nevada

California Counties and Islands: name (code)
Kern (KRN), Los Angeles (LAX), Riverside (RIV), San Bernardino (SBD)

Quads: name (DWR code) USGS code
La Quinta (065A) 33116F3, Lancaster West (161B)?* 34118F2, Redman (185C) 34117G8, Mud Hills (207D) 35117A1

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

332

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 .

-117.875,34.75