CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record trifolium_jokerstii - Wed, Dec. 1, 2021, 12:57 ET b
Trifolium jokerstii
common nameButte County golden clover
CalPhotos image
more photos
© 2001 Robert E. Preston, Ph.D.  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
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 listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (3):
Oroville Dam (575C) 3912154, Shippee (576C) 3912156, Oroville (576D) 3912155
quad data info

Counties, states, regions:
Butte (BUT)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Valley and foothill grassland (VFGrs)(mesic)
•Vernal pools (VnPls)
blooming period Mar-May  
elevation range50 - 480 meters
Known from fewer than ten occurrences. Possibly threatened by trampling and grazing. See T. barbigerum var. andrewsii in The Jepson Manual, and Novon 8:91 (1998) for original description.
full nameTrifolium jokerstii Vincent & R. Morgan
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDFAB40310
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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