Penstemon sudans is a shrub (stem succulent) that is native to California, and also found elsewhere in western North America.California Rare Plant Rank: 4.3 (limited distribution).
[Wikipedia] Range, Habitat: Penstemon sudans is a species of penstemon known by the common name Susanville beardtongue. It is native to northern Nevada and northeastern California, especially in the vicinity of Susanville, where it grows in scrub and forest habitat, often in rocky soils. (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