Erythronium klamathense is a perennial herb (bulb) that is native to California, and also found in Oregon.
California Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).
[Wikipedia] Rarity, Range: Erythronium klamathense is a rare species of flowering plant in the lily family known by the common name Klamath fawn lily. It is native to northern California (Shasta and Siskiyou Counties) and southern Oregon (Jackson, Josephine, Klamath, Douglas and Lane Counties), where it grows in the Klamath Mountains and the southernmost peaks of the Cascade Range. (link added by Mary Ann Machi)
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2025.The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 03/28/2025).