2019 Matt Berger 2023 Karen Swift 2021 Mike Russler 2019 Matt Berger 2017 Dee Shea Himes 2023 Karen Swift 2023 Karen Swift 2004 Mike Ireland 2015 John Doyen 2021 Mike Russler 2019 Matt Berger 2011 Robert Brown 2019 Matt Berger 2021 Mike Russler 2021 Karen Swift 2021 Karen Swift 2014 Belinda Lo
Erythronium tuolumnense is a perennial herb (bulb) that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
[Wikipedia] Range, Rarity, Habitation, Cultivation, Conservation: Erythronium tuolumnense is a species of flowering plant in the family Liliaceae, known by the common name Tuolumne fawn lily or Tuolumne dog's tooth violet. However, it is neither a true lily nor a violet. It is endemic to the Sierra Nevada of Tuolumne County, California; from 600 m (1,969 ft) along Italian Bar Road up to 1,000 m (3,281 ft) altitude at the headwaters of Deer Creek.
This rare plant is threatened by human activity such as logging in its small native range.
Inhabiting moist, light deciduous woodland, this plant is also found in cultivation. The species and the hybrid cultivar 'Pagoda' have gained the Royal Horticultural Society's Award of Garden Merit.
Known from only a small number of populations, the largest of which have over ten thousand individuals. Erythronium tuolumnense is listed as imperiled by NaturServe. It has a small historic range, and human activity, especially recreational off-road vehicle use threatens the largest population. Other threats include mining, garbage dumping, camping, logging and fire suppression. (contributed by Mary Ann Machi)
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Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2023. Berkeley, California:The Calflora Database
[a non-profit organization].Available: