[Wikipedia] Taxonomy, Range, Habitat: It was first described by Charles Konig.[2] It is native to western North America from Alaska and northwestern Canada to the southern Rocky Mountains, where it is a plant of alpine and subalpine environments, usually in wet areas.[3] Despite the common name, this is not a true grass. (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: 04/05/2025).