[Wikipedia] Ornamental Plant, Weed Status, Wildlife Food: It is cultivated as an ornamental grass. This species also has potential as a noxious weed and is easily spread via seed contamination. It has been declared a weed in Puerto Rico and a potentially invasive weed in Mexico.[6]
The seeds are eaten by songbirds and small mammals, while the larvae of certain butterflies feed on the plant. (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: 03/28/2025).