CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record calochortus_simulans - Sun, Nov. 28, 2021 07:18 ET c
Calochortus simulans
common nameLa Panza mariposa lily
CalPhotos image
more photos
© 1982 Steve Lowens  Follow image link for photo data.
life form bulbiferous herb
CA Rare Plant Rank
List 1B.3
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.3: Not very 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 (23):
Bates Canyon (193B) 3411988, Chimineas Ranch (218B) 3511928, Taylor Canyon (218C) 3511918, Branch Mountain (219A) 3512021, Chimney Canyon (219C) 3512012, Miranda Pine Mountain (219D) 3512011, Caldwell Mesa (220A) 3512023, Tar Spring Ridge (220B) 3512024, Pismo Beach (221B) 3512026, La Panza NE (244A) 3512041, La Panza (244C) 3512032, California Valley (244D) 3512031, Camatta Ranch (245A) 3512043, Wilson Corner (245B) 3512044, Santa Margarita Lake (245C) 3512034, Pozo Summit (245D) 3512033, Santa Margarita (246A) 3512045, Atascadero (246B) 3512046, San Luis Obispo (246C) 3512036, Lopez Mountain (246D) 3512035, Shedd Canyon (268C) 3512054, Creston (269D) 3512055, Tierra Redonda Mountain (294C) 3512078
quad data info

Counties, states, regions:
Santa Barbara (SBA), 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)
•Lower montane coniferous forest (LCFrs)
•Valley and foothill grassland (VFGrs)/sandy, often granitic, sometimes serpentinite
blooming period Apr-Jun  
elevation range325 - 1150 meters
Threatened by grazing and development. Potentially threatened by road construction and mainetenance. Possibly threatened by recreational activities, vehicles, and non-native plants. Apparently intergrades with C. venustus. See Leaflets of Western Botany 4:4 (1944) for original description.
full nameCalochortus simulans (Hoov.) Munz
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  CASI7 Element Code  PMLIL0D170
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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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 Sun, Nov. 28, 2021 from

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