Taxon Report

Erythronium hendersonii Wats.

Henderson's fawn lily

Print Report

© 2021 Scot Loring

Classification


Scientific Name:	Erythronium hendersonii Wats.
Common Name:	Henderson's fawn lily
Family:	Liliaceae
Element Code:	PMLIL0U070
USDA Plants Symbol:	ERHE7
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial bulbiferous herb
Blooming Period: Apr-Jul	Apr-Jul
Elevation:	300-1600 (985-5250)
General Habitats:	Lower montane coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.3
Global Rank:	G4
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	USFS_S
CRPR Changes:	changed from 2.3 to 2B.3 on 2013-06-12

Occurrence Data from the CNDDB


Total Occurrences:	7
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	2
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	5

Location


California Endemic: False
California Counties and Islands: Name (Code)
Del Norte (DNT), Siskiyou (SIS)
Quads: Name (Quad Code)
Mt. Ashland (4212216), Siskiyou Pass (4212215), Takilma (4212315), Broken Rib Mtn. (4112386), Cecilville (4112322), Cottonwood Peak (4112286), Grasshopper Ridge (4112321), Greenview (4112258), Hamburg (4112371), Hiouchi (4112471), Hornbrook (4112285), Polar Bear Mtn. (4112385), Seiad Valley (4112372)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	2	29 %
Erosion/runoff	2	28%
Road/trail construction/maint.	1	14%

Notes



Forms hybrid swarms with E. citrinum in OR. See Proceedings of the American Academy of Arts and Sciences 22:479 (1887) for original description, and Madroño 3(2):91 (1935) for taxonomic treatment.
Threats:

Taxonomy:

Selected References

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 4 January 2025].