Calflora, a 501c3 non-profit
Distribution by County   3973    
Guillenia lasiophylla  (Hook. & Arn.) Greene

(not an active name)
California mustard,   Shaggy thelypod
Guillenia lasiophylla is an annual herb that is native to California, and also found elsewhere in western North America.
also called Caulanthus lasiophyllus
Record Count by County

Alameda: 33 Kings: 14 Sacramento: 3 Shasta: 10
Butte: 9 Lake: 13 San Benito: 74 Solano: 9
Colusa: 11 Los Angeles: 196 San Bernardino: 384 Sonoma: 14
Contra Costa: 35 Marin: 43 San Diego: 229 Stanislaus: 10
El Dorado: 1 Mariposa: 2 San Francisco: 15 Tehama: 8
Fresno: 81 Mendocino: 7 San Joaquin: 8 Trinity: 2
Glenn: 3 Merced: 15 San Luis Obispo: 287 Tulare: 4
Humboldt: 2 Monterey: 74 San Mateo: 42 Ventura: 96
Imperial: 62 Napa: 33 Santa Barbara: 142 Yolo: 11
Inyo: 111 Orange: 11 Santa Clara: 39
Kern: 196 Riverside: 137 Santa Cruz: 13

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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/21/2024).