CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record astragalus_rattanii_var._jepsonianus - Wed, Dec. 8, 2021, 19:59 ET b
Astragalus rattanii var. jepsonianus
common nameJepson's milk-vetch
CalPhotos image
more photos
© 2001 George W. Hartwell  Follow image link for photo data.
life formannual 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
S3      ranking system key
global rank
G4T3      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (25):
Idria (339B) 3612046, Walter Springs (516A) 3812263, Aetna Springs (516B) 3812264, Detert Reservoir (517A) 3812265, Mount St. Helena (517B) 3812266, Glascock Mountain (532A) 3812283, Wilson Valley (532B) 3812284, Jericho Valley (532C) 3812274, Knoxville (532D) 3812273, Lower Lake (533A) 3812285, Whispering Pines (533C) 3812276, Middletown (533D) 3812275, Leesville (547B) 3912224, Wilbur Springs (547C) 3912214, Salt Canyon (547D) 3912213, Hough Springs (548A) 3912225, Stonyford (564A) 3912245, St. John Mountain (564B) 3912246, Gilmore Peak (564D) 3912235, Chrome (580A) 3912265, Paskenta (596A) 3912285, Hall Ridge (596C) 3912276, Newville (596D) 3912275, Cold Fork (612B) 4012226, Lowrey (612D) 4012215
quad data info

Counties, states, regions:
Colusa (COL), Glenn (GLE), Lake (LAK), Mendocino (MEN), Napa (NAP), San Benito (SBT), Sonoma (SON), Tehama (TEH), Yolo (YOL)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)
•Cismontane woodland (CmWld)
•Valley and foothill grassland (VFGrs)/often serpentinite
blooming period Mar-Jun  
elevation range295 - 700 meters
Most occurrences small and widely scattered. Possibly threatened by road maintenance, vehicles, renewable energy development, and non-native plants. See Aliso 4:137 (1958) for original description, Memoirs of the New York Botanical Garden 13:1052 (1964) for taxonomic treatment, and Systematic Botany 17(3):367-379 (1992) for distributional information.
full nameAstragalus rattanii Gray var. jepsonianus Barneby
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  ASRAJ Element Code  PDFAB0F7E1
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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