CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record thermopsis_californica_var._argentata - Wed, Dec. 1, 2021, 07:21 ET b
Thermopsis californica var. argentata
common namesilvery false lupine
CalPhotos image
more photos
R. Mitchel Beauchamp © 1971 CNPS  Follow image link for photo data.
life form rhizomatous herb
CA Rare Plant Rank
List 4.3
LIST 4: Limited distribution (Watch List).
     0.3: Not very endangered in California
state rank
S4      ranking system key
global rank
G4T4      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Counties, states, regions:
Kern (KRN), Lassen (LAS), Los Angeles (LAX), Modoc (MOD), Santa Barbara (SBA), Shasta (SHA), Siskiyou (SIS), Ventura (VEN)
  • Pending additional quad-level data, only county data are being provided for List 4 plants.
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Cismontane woodland (CmWld)
•Lower montane coniferous forest (LCFrs)
•Pinyon and juniper woodland (PJWld)
blooming period Apr-Oct  
elevation range665 - 2335 meters
Possibly threatened by trampling, road maintenance, and vehicles. See T. macrophylla var. argentata in TJM (1993). See Erythea 3:18 (1895) for original description and Annals of the Missouri Botanical Garden 81(4):719 (1994) for revised nomenclature.
full nameThermopsis californica Wats. var. argentata (Greene) Chen & Turner
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDFAB3Z011
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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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. 1, 2021 from

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