[wikipedia] Range, Habitat: Silene bernardina is a species of flowering plant in the family Caryophyllaceae known by the common name Palmer's catchfly.[1]
It is native to western North America from Washington and Idaho, through California and Oregon, to Baja California. It grows in several types of habitat, including chaparral scrub, mountain forests, and higher-elevation habitats in alpine climates. (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).