2022 James Maley 2019 Manzanita Dictionary 2022 James Maley 2009 Thomas Stoughton 2021 Aaron Echols 2021 Aaron Echols 2021 Aaron Echols 2009 Thomas Stoughton 2005 Chris Wagner, SBNF 2005 Chris Wagner, SBNF
Horkelia wilderae is a perennial herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).
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Suggested Citation
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: 05/13/2025).
one or more occurrences