CNPS Inventory Plant Detail

Calochortus westonii

Common Name:	Shirley Meadows star-tulip
Family:	Liliaceae
Synonyms:	Calochortus coeruleus var. westonii
Element Code:	PMLIL0D1M0
Full Name:	Calochortus westonii Eastw.
USDA PLANTS Symbol:	CAWE2

Biology
Lifeform: perennial bulbiferous herb Blooming Period: May - June Habitat: granitic. • Broadleafed upland forest • Lower montane coniferous forest • Meadows and seeps

Rarity Status
CA Rare Plant Rank: 1B.2 Rare, threatened, or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2.2 S2: Imperiled. .2: Threatened. Global Rank: G2 G2: Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 23
Element Occurrence Ranks:

A B C D X U

7 12 2 0 0 2

Population Status:

Historic >20 yrs	Recent <=20 yrs
14	9

Presence:

Present Extant	Possibly Extirpated	Extirpated
23	0	0

Notes
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. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 1974-01-01 Last Update: 2013-01-18

Location

Elevation: 1500 - 2105 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Kern (KRN), Tulare (TUL)

Quads: name (DWR code) USGS code
Alta Sierra (261A) 35118F5, Johnsondale (285A) 35118H5, Tobias Peak (285D) 35118G5, Camp Nelson (308A) 36118B5, Camp Wishon (308B) 36118B6, Sentinel Peak (308D) 36118A5, Case Mountain (332A) 36118D7

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-118.5,36.0