[Wikipedia] Limited Range, Hybridization, Butterfly Attractant: This monkeyflower is an uncommon plant found only on four of the Channel Islands of California (Anacapa, San Clemente, Santa Cruz, and Santa Rosa) and in San Diego County.[2][3] This plant sometimes hybridizes with Diplacus longiflorus.[4] This species is attractive to butterflies including the western buckeye, mylitta crescent, and the variable checkerspot. (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: 03/31/2025).
one or more occurrences