CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record calochortus_westonii - Fri, Nov. 26, 2021 21:24 ET c
Calochortus westonii
common nameShirley Meadows star-tulip
CalPhotos image
more photos
© 1982 Steve Lowens  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
S3      ranking system key
global rank
G3     G3: 21-80 occurrences or 3,000-10,000 individuals OR 10,000-50,000 acres
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (7):
Alta Sierra (261A) 3511865, Johnsondale (285A) 3511885, Tobias Peak (285D) 3511875, Camp Nelson (308A) 3611825, Camp Wishon (308B) 3611826, Sentinel Peak (308D) 3611815, Case Mountain (332A) 3611847
quad data info

Counties, states, regions:
Kern (KRN), Tulare (TUL)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Broadleafed upland forest (BUFrs)
•Lower montane coniferous forest (LCFrs)
•Meadows and seeps (Medws)/granitic
blooming period May-Jun  
elevation range1500 - 2105 meters
Threatened by logging, road construction, and vehicles. Sequoia NF has adopted species management guidelines. See Proceedings of the California Academy of Sciences IV 20:136 (1931) for original description.
full nameCalochortus westonii Eastw.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  CAWE2 Element Code  PMLIL0D1M0
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 Fri, Nov. 26, 2021 from

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