Muhlenbergia jonesii is a perennial grasslike herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 4.3 (limited distribution).
[en.hortipedia.com] Etymology: Muhlenbergia jonesii was first described and the name validly published by George Vasey but was revised and reclassified by Albert Spear Hitchcock in 1912. (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: 04/02/2025).
one or more occurrences