[Wikipedia] Taxonomy, Range: Austin's beardtongue, named for Stafford Wallace Austin, collector of plants and husband of writer Mary Hunter Austin. It grows in Inyo County, California where it is found on the Grapevine Mountains, Inyo Mountains, Last Chance Range, Panamint Range, and White Mountains. (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: 04/22/2025).