Toxicity: Possible skin irritation from touching the leaf of this plant. Do not eat the leaf of this plant.
Wetlands: Arid West: Equally likely to occur in wetlands and non wetlands Mountains, Valleys and Coast: Occurs usually in wetlands, occasionally in non wetlands
[Wikipedia] Gall Host: This species is host to the following insect and mite induced galls:
Aceria abalis Keifer leaf gall mite
Rhopalomyia occidentalis (Felt, 1916) leaf midge (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).