CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record astragalus_johannis-howellii - Sat, Nov. 27, 2021 12:30 ET c
Astragalus johannis-howellii
common nameLong Valley milk-vetch
CalPhotos image
more photos
© 1980 Dean Wm. Taylor  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
S1      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 listingRare  07/82
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (9):
Watterson Canyon (433B) 3711866, Toms Place (433C) 3711856, Casa Diablo Mountain (433D) 3711855, Whitmore Hot Springs (434A) 3711867, Convict Lake (434D) 3711857, Glass Mountain (451C) 3711876, West Of Huntoon Spring (468C) 3811816, Aurora (486C) 3811838, Dome Hill (487D) 3811931
quad data info

Counties, states, regions:
Mono (MNO), Nevada (NV)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Great Basin scrub (GBScr)(sandy loam)
blooming period Jun-Aug  
elevation range2040 - 2530 meters
Threatened by grazing, vehicles, and mining. Possibly threatened by trampling and illegal dumping. Usually found in swales in vicinity of former or present hot springs activity. See Leaflets of Western Botany 8(5):124-125 (1957) for original description, and Memoirs of the New York Botanical Garden 13:467-468 (1964) for taxonomic treatment.
full nameAstragalus johannis-howellii Barneby
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  ASJO Element Code  PDFAB0F4H0
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 Sat, Nov. 27, 2021 from

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