Penstemon calcareus is a perennial herb that is native to California, and also found in Nevada.
California Rare Plant Rank: 1B.3 (rare, threatened, or endangered in CA and elsewhere).
[Wikipedia] Range: It is native to California, where it is known from the deserts of central San Bernardino County, as well as the Death Valley area, where its distribution extends just over the border into Nevada. (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: 03/29/2025).
one or more occurrences