CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-14nov 11-15-14
Status: record erythronium_oregonum - Sun, Nov. 23, 2014 19:58 ET c
Erythronium oregonum
common namegiant fawn lily
CalPhotos image
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© 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
G5     G5: demonstrably secure to ineradicable
CA state listingNone  
federal listingNone  
where found
(12/2) v7 maps currently unavailable - use link below for v8 details and maps

Topographic quads (23):
Bell Springs (600A) 3912385, Weott (635C) 4012338, 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, Korbel (671C) 4012378, Cecilville (685B) 4112322, Hoopa (687C) 4112316, Tish Tang Point (687D) 4112315, Hupa Mountain (688D) 4112317, Somes Bar (703B) 4112344, Blue Creek Mountain (705A) 4112347, Johnsons (705D) 4112337, Buckhorn Bally (735A) 4112287, 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)
counties map
CNDDB Quick Viewer
Web application for exploring the CNDDB elements reported at the quad level.
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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 - Details for this taxon, including GIS and other 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
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Suggested citation: California Native Plant Society (CNPS). 2014. Inventory of Rare and Endangered Plants (online edition, v7-14nov). California Native Plant Society. Sacramento, CA. Accessed on Sun, Nov. 23, 2014 from

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