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: 31 Kings: 14 Riverside: 134 Santa Cruz: 12
Butte: 9 Lake: 13 Sacramento: 4 Shasta: 11
Colusa: 11 Los Angeles: 193 San Benito: 75 Solano: 11
Contra Costa: 35 Marin: 40 San Bernardino: 379 Sonoma: 14
El Dorado: 1 Mariposa: 2 San Diego: 226 Stanislaus: 10
Fresno: 82 Mendocino: 7 San Francisco: 15 Tehama: 8
Glenn: 3 Merced: 15 San Joaquin: 9 Trinity: 2
Humboldt: 2 Monterey: 73 San Luis Obispo: 291 Tulare: 4
Imperial: 62 Napa: 33 San Mateo: 42 Ventura: 94
Inyo: 109 Orange: 11 Santa Barbara: 143 Yolo: 11
Kern: 196 Plumas: 1 Santa Clara: 39

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: 04/28/2024).