Taxon Details

Calochortus raichei

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:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	BLM_S; SB_UCSC
CRPR Changes:
Add Date:	1988-01-01
Date Edited:	2025-07-01

Ecology and Life History

Lifeform: perennial bulbiferous herb

Blooming Period: May-Aug

Elevation:
200 - 490 meters
655 - 1610 feet

General Habitats:

Closed-cone coniferous forest
Chaparral

Microhabitat Details:

Microhabitat:

Serpentine

Notes

Notes: Known only from The Cedars near Guerneville.
Threats: Potentially threatened by mining and road construction.
Taxonomy: See Herbertia 43(1):2-9 (1987) for original description, and Fremontia 15(2):18 (1987) for species account.

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					9
A	B	C	D	X	U
2	2	0	0	0	5

Occurrence Status:
Historical >20 Years	8
Recent <=20 Years	1

Presence:
Presumed Extant	9
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

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)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

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CNPS Rare Plant Inventory