CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record astragalus_preussii_var._laxiflorus - Wed, Dec. 8, 2021, 11:47 ET b
Astragalus preussii var. laxiflorus
common nameLancaster milk-vetch
CalPhotos image
more photos
© 2006 Trent M. Draper  Follow image link for photo data.
life formperennial herb
CA Rare Plant Rank
List 1B.1
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.1: Seriously endangered in California
state rank
S1      ranking system key
global rank
G4T2      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (3):
La Quinta (065A) 3311663, Lancaster West (161B)?* 3411862, Redman (185C) 3411778
quad data info

Counties, states, regions:
Kern (KRN), Los Angeles (LAX), Riverside (RIV), San Bernardino (SBD), Arizona (AZ), Nevada (NV)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chenopod scrub (ChScr)
blooming period Mar-May  
elevation range700 - 700 meters
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.
full nameAstragalus preussii Gray var. laxiflorus Gray
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  ASPRL2 Element Code  PDFAB0F721
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web

Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Wed, Dec. 8, 2021 from

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