Hecastocleis shockleyi is a shrub that is native to California, and also found elsewhere in western North America.California Rare Plant Rank: 3 (review list).
[Wikipedia] Taxonomy: Hecastocleis shockleyi was described by Asa Gray in 1882 and placed it to the tribe Mutisieae. Kåre Bremer in 1994 assigned it to the subtribe Mutisiinae, while Hind in 2006 erected its own group within the Mutisieae. (link added by Mary Ann Machi)
Calflora:
Information on California plants for education, research and conservation,
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[web application]. 2025.The Calflora Database
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https://www.calflora.org/(Accessed: 03/29/2025).
one or more occurrences