Taxon Report

Calochortus raichei Farwig & Girard

Cedars fairy-lantern

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Taxon Summary

Calochortus raichei, commonly known as Cedars fairy-lantern, is a perennial bulbiferous herb in the Liliaceae that is found only in California. It occurs within Chaparral, and Closed-cone coniferous forest, growing at elevations from 200 to 490 meters. Calochortus raichei is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.


  Classification

Scientific Name:
Calochortus raichei Farwig & Girard
Common Name:
Cedars fairy-lantern
Family: Liliaceae
Element Code: PMLIL0D1L0
USDA Plants Symbol: CARA16
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial bulbiferous herb
Blooming Period: May-Aug May-Aug
Elevation: 200-490 (655-1610)
General Habitats: Chaparral, Closed-cone coniferous forest
Microhabitat: Serpentine
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 9
Element Occurrence Ranks:
   Excellent (A) 2
   Good (B) 2
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 5
California Endemic:  True
California Counties and Islands: Name (Code)
Sonoma (SON)
Quads: Name (Quad Code)
Cazadero (3812351), Fort Ross (3812352), Guerneville (3812258), Tombs Creek (3812362), Warm Springs Dam (3812361)

Threat List Data from the CNDDB

Threat List Total: 1
EOs with Threat Listed: Total EOs % of EOs
4 44 %
Road/trail construction/maint. 4 44%

Notes

Known only from The Cedars near Guerneville. Potentially threatened by mining and road construction. See Herbertia 43(1):2-9 (1987) for original description, and Fremontia 15(2):18 (1987) for species account.
Threats:
Taxonomy:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 5 February 2025].