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Distribution by County   1368    
Calystegia occidentalis  (A. Gray) Brummitt  ssp. occidentalis 
Chaparral false bindweed,   Modoc morning glory,   Western morning glory
Calystegia occidentalis ssp. occidentalis is a perennial herb that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 6 Lake: 16 Orange: 2 Siskiyou: 20
Amador: 5 Lassen: 9 Placer: 27 Solano: 4
Butte: 51 Los Angeles: 3 Plumas: 43 Sonoma: 9
Calaveras: 1 Madera: 1 Sacramento: 5 Sutter: 1
Colusa: 3 Marin: 9 San Benito: 1 Tehama: 41
Del Norte: 39 Mariposa: 9 San Joaquin: 1 Trinity: 31
El Dorado: 5 Mendocino: 21 San Mateo: 13 Tulare: 5
Fresno: 4 Modoc: 32 Santa Clara: 7 Tuolumne: 32
Glenn: 1 Monterey: 1 Santa Cruz: 4 Yolo: 5
Humboldt: 22 Napa: 13 Shasta: 34 Yuba: 7
Kern: 4 Nevada: 20 Sierra: 5

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: 12/13/2025).