CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record opuntia_basilaris_var._treleasei - Wed, Dec. 8, 2021, 20:54 ET b
Opuntia basilaris var. treleasei
common nameBakersfield cactus
CalPhotos image
more photos
Donald Myrick © 1999 California Academy of Sciences  Follow image link for photo data.
life form stem succulent
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
G5T1      ranking system key
Where did the "RED" code go?
CA state listingEndangered  01/90
federal listingEndangered  07/19/90
where found
MAPS - Use v8 link below.

Topographic quads (15):
Lebec (189D) 3411877, Arvin (214A) 3511827, Weed Patch (214B) 3511828, Mettler (214C) 3511818, Tejon Hills (214D) 3511817, Coal Oil Canyon (215D) 3511911, Mount Adelaide (238B) 3511846, Bena (238C) 3511836, Oiler Peak (238D)* 3511835, Rio Bravo Ranch (239A) 3511847, Oil Center (239B) 3511848, Lamont (239C)* 3511838, Edison (239D) 3511837, Oildale (240A)* 3511941, North Of Oildale (263D) 3511951
quad data info

Counties, states, regions:
Kern (KRN), Los Angeles (LAX)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chenopod scrub (ChScr)
•Cismontane woodland (CmWld)
•Valley and foothill grassland (VFGrs)/sandy or gravelly
blooming period Apr-May  
elevation range120 - 1450 meters
Threatened by energy development, agricultural conversion, grazing, mining, vehicles, and especially urbanization in the Bakersfield area. USFWS uses the name O. treleasei. See Contributions from the U.S. National Herbarium 3:434 (1896) for original description, Wasmann Journal of Biology 25:289-290 (1967) for species account, and Madroņo 39(1):79 (1992) for information on a new population.
full nameOpuntia basilaris Engelm. & Bigel. var. treleasei (Coult.) Toumey
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  OPBAT Element Code  PDCAC0D055
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 Wed, Dec. 8, 2021 from

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