CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record lathyrus_sulphureus_var._argillaceus - Sat, Dec. 4, 2021, 01:48 ET b
Lathyrus sulphureus var. argillaceus
common namedubious pea
CalPhotos image
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life formperennial herb
CA Rare Plant Rank
List 3
LIST 3: We need more information about this plant (Review List).
state rank
S1S2   S1S2: Intermediate between S1 and S2
global rank
G5T1T2      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (9):
West Point (493A) 3812045, Rail Road Flat (493D) 3812035, Auburn (527A) 3812181, Grass Valley (542A) 3912121, Rough And Ready (542B)? 3912122, Wolf (542C)? 3912112, Lake Combie (542D)? 3912111, Ono 15' SE (630D) 4012235, Redding (647C) 4012254
quad data info

Counties, states, regions:
Calaveras (CAL), El Dorado (ELD), Nevada (NEV)?, Placer (PLA), Shasta (SHA), Tehama (TEH)
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)
•Upper montane coniferous forest (UCFrs)
blooming period Apr-May  
elevation range150 - 930 meters
Move to List 1B? Location, rarity, and endangerment information needed. Taxonomy poorly understood; needs further study. Possibly threatened by development and road maintenance. A synonym of L. sulphureus in TJM (1993) and TJM 2. See Flora of California 2(1):393 (1936) by W.L. Jepson for original description.
full nameLathyrus sulphureus Gray var. argillaceus Jeps.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  LASUA Element Code  PDFAB25101
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, Dec. 4, 2021 from

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