[Wikipedia] Range: Erythronium purpurascens is a species of flowering plant in the lily family which is known by the common names purple fawn lily and Sierra Nevada fawn lily.[2][1]
It is endemic to California, where it grows in the high mountains of the southern Cascade Range, Coast Ranges, and northern Sierra Nevada from Siskiyou County south to Mendocino and Placer Counties.[2] (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: 03/30/2025).