CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record astragalus_tricarinatus - Fri, Nov. 26, 2021 18:46 ET c
Astragalus tricarinatus
common nametriple-ribbed milk-vetch
CalPhotos image
more photos
© 2004 John Green  Follow image link for photo data.
life formperennial herb
CA Rare Plant Rank
List 1B.2
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.2: Fairly endangered in California
state rank
S2      ranking system key
global rank
G2     G2: 6-20 occurrences OR 1,000-3,000 individuals OR 2,000-10,000 acres
Where did the "RED" code go?
CA state listingNone  
federal listingEndangered  10/06/98
where found
MAPS - Use v8 link below.

Topographic quads (11):
Orocopia Canyon (063D) 3311557, Valerie (064C) 3311652, Martinez Mountain (065D) 3311653, East Deception Canyon (082A) 3311683, Myoma (082D) 3311673, Desert Hot Springs (083A) 3311685, White Water (083B) 3311686, Yucca Valley South (103C) 3411614, Joshua Tree South (103D) 3411613, Catclaw Flat (104C) 3411616, Morongo Valley (104D) 3411615
quad data info

Counties, states, regions:
Riverside (RIV), San Bernardino (SBD)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Joshua tree "woodland" (JTWld)
•Sonoran desert scrub (SDScr)/sandy or gravelly
blooming period Feb-May  
elevation range450 - 1190 meters
Known from fewer than 20 occurrences. Possibly threatened by pipeline maintenance and vehicles.
full nameAstragalus tricarinatus Gray
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  ASTR5 Element Code  PDFAB0F920
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 Fri, Nov. 26, 2021 from

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