[Wikipedia] Galls: This species is host to the following insect induced galls:
Asteromyia carbonifera (Osten Sacken, 1862)
Procecidochares anthracina (Doane, 1899)
Rhopalomyia cruziana Felt, 1908 (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).
