CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record calochortus_persistens - Sat, Dec. 4, 2021, 18:42 ET b
Calochortus persistens
common nameSiskiyou mariposa lily
CalPhotos image
more photos
© 1998 John Game  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
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 listingRare  07/82
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (6):
Yreka (717B) 4112266, Indian Creek Baldy (718A) 4112267, Hornbrook (734A) 4112285, Cottonwood Peak (734B) 4112286, Badger Mountain (734C) 4112276, Mckinley Mountain (735D) 4112277
quad data info

Counties, states, regions:
Siskiyou (SIS), Oregon (OR)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Lower montane coniferous forest (LCFrs)
•North Coast coniferous forest (NCFrs)/Rocky, acidic
blooming period Jun-Jul  
elevation range1000 - 1860 meters
Threatened by non-native plants, habitat disturbance, road construction, horticultural collecting, grazing, and alteration of fire regimes. As of 2002, no successful reproduction observed in past five years. Klamath NF has adopted species management guidelines. Previously a candidate for federal listing. See Annals of the Missouri Botanical Garden 27:448 (1940) for original description.
full nameCalochortus persistens Ownbey
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  CAPE Element Code  PMLIL0D140
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 Sat, Dec. 4, 2021 from

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