CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18jan 1-22-18
Status: record ceanothus_ophiochilus - Wed, Feb. 21, 2018 22:05 ET c
Ceanothus ophiochilus
common nameVail Lake ceanothus
CalPhotos image
more photos
© 2004 Brian Parker  Follow image link for photo data.
life form evergreen shrub
CA Rare Plant Rank
List 1B.1
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.1: Seriously endangered in California
state rank
S1      ranking system key
global rank
G1     G1: Less than 6 occurrences OR less than 1,000 individuals OR less than 2,000 acres.
Where did the "RED" code go?
CA state listingEndangered  01/94
federal listingThreatened  10/13/98
where found
MAPS - Use v8 link below.

Topographic quads (2):
Vail Lake (049B) 3311648, Pechanga (050A) 3311741
quad data info

Counties, states, regions:
Riverside (RIV)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)(gabbroic or pyroxenite-rich outcrops)
blooming period Feb-Mar  
elevation range580 - 1065 meters
Known from only three occurrences near Vail Lake; first discovered in 1989. Threatened by proposed development, alteration of fire regimes, firebreak construction, and long-term hybridization with C. crassifolius. See Phytologia 70(1):28-41 (1991) for original description.
full nameCeanothus ophiochilus Boyd, Ross & Arnseth
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  CEOP Element Code  PDRHA041M0
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, v7-18jan). California Native Plant Society. Sacramento, CA. Accessed on Wed, Feb. 21, 2018 from

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