Species Details

Erythronium hendersonii

Henderson's fawn lily

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Photo of Erythronium hendersonii
© 2021 Scot Loring
Photo of Erythronium hendersonii
©2005 Jerry Murray
Photo of Erythronium hendersonii
© 2021 Scot Loring
Scientific Name:
Erythronium hendersonii Wats.
Common Name:
Henderson's fawn lily
Family: Liliaceae
Element Code: PMLIL0U070
USDA Plants Symbol: ERHE7
Synonyms/Other Names:
CA Rare Plant Rank: 2B.3
Fed List: None
State List: None
Global Rank: G4
State Rank:
S2
Other Status: USFS_S
CRPR Changes:
changed from 2.3 to 2B.3 on 2013-06-12
Add Date: 1974-01-01
Date Edited: 2021-06-03
Lifeform: perennial bulbiferous herb
Blooming Period: Apr-Jul
JFMAMJJASOND
Elevation:
300 - 1600 meters
985 - 5250 feet
General Habitats:
  • Lower montane coniferous forest
Microhabitat Details:
Microhabitat:
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 MadroƱo 3(2):91 (1935) for taxonomic treatment.
Threats:
Taxonomy:
Threat List Total: 2
Total EOs % of EOs
EOs with Threat Listed: 2 29 %
THREAT LIST:
Erosion/runoff 2 28%
Road/trail construction/maint. 1 14%
Total Occurrences: 7
Element Occurrence Ranks:
A B C D X U
0 2 0 0 0 5
Occurrence Status:
Historical >20 Years 5
Recent <=20 Years 2
Presence:
Presumed Extant 7
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR)
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)
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.
Presumed Extant
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