[wikipedia] Comparison to Mimulus nanus: Taxonomy
This plant is sometimes nearly identical to Mimulus nanus, and can be differentiated from it only by close examination of characteristics such as the arrangement of hairs inside the mouth of the flower.[6] (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).