CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-16sep 9-2-16
Status: record calochortus_obispoensis - Tue, Oct. 25, 2016 23:59 ET c
Calochortus obispoensis
common nameSan Luis mariposa lily
CalPhotos image
more photos
© 1993 Dean Wm. Taylor  Follow image link for photo data.
life form bulbiferous 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 (10):
Arroyo Grande NE (221A) 3512025, Pismo Beach (221B) 3512026, Oceano (221D)* 3512015, Port San Luis (222A) 3512027, Atascadero (246B) 3512046, San Luis Obispo (246C) 3512036, Lopez Mountain (246D) 3512035, Morro Bay South (247D) 3512037, Pebblestone Shut-in (271A) 3512161, Cambria (271D) 3512151
quad data info

Counties, states, regions:
San Luis Obispo (SLO)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)
•Cismontane woodland (CmWld)
•Coastal scrub (CoScr)
•Valley and foothill grassland (VFGrs)/often serpentinite
blooming period May-Jul  
elevation range50 - 730 meters
Threatened by grazing, development, pipeline construction, road construction, and recreational activities. Potentially threatened by vegetation/fuel management and mining. See Journal of Ecology 75:977-995 (1987) for population biology.
full nameCalochortus obispoensis Lemmon
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  CAOB Element Code  PMLIL0D110
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). 2016. Inventory of Rare and Endangered Plants (online edition, v7-16sep). California Native Plant Society. Sacramento, CA. Accessed on Tue, Oct. 25, 2016 from

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