CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record calochortus_syntrophus - Sat, Nov. 27, 2021 00:20 ET c
Calochortus syntrophus
common nameCallahan's mariposa lily
CalPhotos image
more photos
© 2001 John Game  Follow image link for photo data.
life form bulbiferous herb
CA Rare Plant Rank
List 1B.1
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.1: Seriously endangered in California
state rank
S1      ranking system key
global rank
G1     G1: Less than 6 occurrences OR less than 1,000 individuals OR less than 2,000 acres.
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (6):
Barkley Mountain (608B) 4012126, Dewitt Peak (609B) 4012128, Lyonsville (626C) 4012136, Finley Butte (627D) 4012137, Whitmore (645B) 4012168, Roaring Creek (663B) 4012188
quad data info

Counties, states, regions:
Shasta (SHA), Tehama (TEH)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Cismontane woodland (CmWld)
•Valley and foothill grassland (VFGrs)(vernally mesic)
blooming period May-Jun  
elevation range525 - 1145 meters
Threatened by horticultural collecting. See Herbertia 49:20 (1993) for original description.
full nameCalochortus syntrophus Callahan
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PMLIL0D1S0
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 Sat, Nov. 27, 2021 from

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