Taxon Report

Erythronium klamathense Appleg.

Klamath fawn lily

Print Report

Taxon Summary

Erythronium klamathense, commonly known as Klamath fawn lily, is a perennial bulbiferous herb in the Liliaceae that is found in California and elsewhere. It occurs within Meadows and seeps, and Upper montane coniferous forest, growing at elevations from 1200 to 1850 meters. Erythronium klamathense is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Erythronium klamathense Appleg.
Common Name:	Klamath fawn lily
Family:	Liliaceae
Element Code:	PMLIL0U090
USDA Plants Symbol:	ERKL
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial bulbiferous herb
Blooming Period: Apr-Jul	Apr-Jul
Elevation:	1200-1850 (3935-6070)
General Habitats:	Meadows and seeps, Upper montane coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.2
Global Rank:	G4
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	SB_UCSC
CRPR Changes:	changed from 2.2 to 2B.2 on 2013-06-12 changed from 4.3 to 2.2 on 2006-12-22

Occurrence Data from the CNDDB


Total Occurrences:	14
Element Occurrence Ranks:
Excellent (A)	3
Good (B)	2
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	9

Location


California Endemic: False
California Counties and Islands: Name (Code)
Shasta (SHA), Siskiyou (SIS)
Quads: Name (Quad Code)
Bartle (4112137), Dead Horse Summit (4112127), Dunsmuir (4112223), Pondosa (4112126), Seven Lakes Basin (4112224)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	9	64 %
Logging	9	64%
Road/trail construction/maint.	1	7%

Notes



Possibly threatened by road maintenance and logging. See Contributions from the Dudley Herbarium 1:151 (1930) for original description, and Madroño 3(2):64 (1935) for taxonomic treatment.
Threats:
Possibly threatened by road maintenance and logging.
Taxonomy:

Selected References

CRPR List Change on 2006-12-22

USFS Potential Species of Conservation Concern Profile

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 12 February 2025].