CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-14nov 11-15-14
Status: record calochortus_clavatus_var._gracilis - Mon, Nov. 24, 2014 00:01 ET c
Calochortus clavatus var. gracilis
common nameslender mariposa lily
CalPhotos image
more photos
© 2005 John Isaac Holson  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
S2S3   S2S3: Intermediate between S2 and S3
global rank
G4T2T3      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
(12/2) v7 maps currently unavailable - use link below for v8 details and maps

Topographic quads (22):
Mount Baldy (108B) 3411726, Glendora (109A) 3411727, Azusa (109B) 3411728, Burbank (111A) 3411823, Calabasas (112B) 3411826, Malibu Beach (112C) 3411816, Topanga (112D) 3411815, Point Dume (113D) 3411817, Crystal Lake (135D) 3411737, Acton (136B) 3411842, Agua Dulce (137A) 3411843, Mint Canyon (137B) 3411844, Newhall (138A) 3411845, Val Verde (138B) 3411846, Santa Susana (138C) 3411836, Oat Mountain (138D) 3411835, Green Valley (162C) 3411854, Sleepy Valley (162D) 3411853, Liebre Mountain (163B) 3411866, Whitaker Peak (163C) 3411856, Warm Springs Mountain (163D) 3411855, Black Mountain (164A) 3411867
quad data info

Counties, states, regions:
Los Angeles (LAX), Ventura (VEN)
counties map
CNDDB Quick Viewer
Web application for exploring the CNDDB elements reported at the quad level.
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A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)
•Coastal scrub (CoScr)
•Valley and foothill grassland (VFGrs)
blooming period Mar-Jun  
elevation range320 - 1000 meters
Threatened by development, mining, non-native plants, and vehicles. See Annals of the Missouri Botanical Garden 27(4):371-561 (1940) for original description.
full nameCalochortus clavatus Wats. var. gracilis Ownbey
Version 8    INVENTORY VERSION 8 - Details for this taxon, including GIS and other links

Additional information:
standard acronym  CACLG Element Code  PMLIL0D096
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). 2014. Inventory of Rare and Endangered Plants (online edition, v7-14nov). California Native Plant Society. Sacramento, CA. Accessed on Mon, Nov. 24, 2014 from

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