Calflora, a 501c3 non-profit
Distribution by County   13428    
Diplacus douglasii  (Benth.) G.L. Nesom
Purple mouse ears
Diplacus douglasii is an annual herb that is native to California, and also found elsewhere in western North America.
also called Mimulus douglasii
Record Count by County

Alameda: 8 Humboldt: 11 Napa: 29 Shasta: 4
Amador: 3 Kern: 6 Nevada: 4 Solano: 2
Butte: 60 Lake: 19 Placer: 2 Sonoma: 14
Calaveras: 3 Madera: 4 San Benito: 32 Stanislaus: 3
Colusa: 8 Marin: 37 San Joaquin: 2 Sutter: 1
Contra Costa: 6 Mariposa: 17 San Luis Obispo: 5 Tehama: 13
El Dorado: 12 Mendocino: 11 San Mateo: 43 Trinity: 5
Fresno: 7 Merced: 1 Santa Clara: 22 Tuolumne: 42
Glenn: 2 Monterey: 13 Santa Cruz: 8

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 04/04/2025).