CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record erythronium_oregonum - Sun, Nov. 28, 2021 00:34 ET c
Erythronium oregonum
common namegiant fawn lily
CalPhotos image
more photos
© 2006 Louis-M. Landry  Follow image link for photo data.
life formperennial herb
CA Rare Plant Rank
List 2B.2
LIST 2B: Rare, threatened, or endangered in California, but more common elsewhere.
     0.2: Fairly endangered in California
state rank
S2      ranking system key
global rank
G4G5      ranking system key
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (22):
Bell Springs (600A) 3912385, Ettersburg (617B) 4012328, Myers Flat (635D) 4012337, Scotia (636A) 4012441, Taylor Peak (636B) 4012442, Iaqua Buttes (653B) 4012368, Yager Junction (653D) 4012357, Willow Creek (670B) 4012386, Grouse Mountain (670C) 4012376, Hennessy Peak (670D) 4012375, Lord-ellis Summit (671A) 4012387, Blue Lake (671B) 4012388, Cecilville (685B) 4112322, Hoopa (687C) 4112316, Tish Tang Point (687D) 4112315, Hupa Mountain (688D) 4112317, Somes Bar (703B) 4112344, Fish Lake (704C) 4112336, Blue Creek Mountain (705A) 4112347, Johnsons (705D) 4112337, Gasquet (739C) 4112378, Hiouchi (740D) 4112471
quad data info

Counties, states, regions:
Del Norte (DNT), Humboldt (HUM), Mendocino (MEN), Siskiyou (SIS), Trinity (TRI), Oregon (OR), Washington (WA)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Cismontane woodland (CmWld)
•Meadows and seeps (Medws)/sometimes serpentinite, rocky, openings
blooming period Mar-Jun(Jul),   Months in parentheses are uncommon.
elevation range100 - 1150 meters
Need quad for TRI Co. Threatened by horticultural collecting, road maintenance, and logging. California populations are geographically separate; may be a white form of E. revolutum. Specimens with white anthers sometimes referred to as ssp. leucandrum. See Madrono 3: 99 (1935) for original description and Madrono 35(1): 32-38 (1988) for taxonomic treatment.
full nameErythronium oregonum Appleg.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  EROR4 Element Code  PMLIL0U0C0
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Sun, Nov. 28, 2021 from

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