[Wikipedia] Range, Habitat: It is native to North America in the west from British Columbia, south to Baja California (Mexico), east to New Mexico, and north to Wyoming and Idaho. Symphyotrichum frondosum grows in wet habitats such as marshes and meadows, especially in alkaline or saline conditions. (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: 03/30/2025).
