Calflora, a 501c3 non-profit
Distribution by County   784    
Aster occidentalis  (Nutt.) Torr. & A. Gray

(not an active name)
Western mountain aster
Aster occidentalis is a perennial herb that is native to California, and also found elsewhere in western North America.
also called Symphyotrichum spathulatum
Record Count by County

Alameda: 1 Kern: 6 Placer: 58 Solano: 1
Alpine: 34 Lake: 3 Plumas: 82 Sonoma: 5
Amador: 6 Lassen: 24 Riverside: 7 Stanislaus: 5
Butte: 46 Madera: 17 Sacramento: 4 Sutter: 2
Calaveras: 2 Mariposa: 24 San Bernardino: 103 Tehama: 20
Colusa: 6 Mendocino: 5 San Joaquin: 8 Trinity: 12
El Dorado: 109 Modoc: 7 Santa Clara: 4 Tulare: 78
Fresno: 51 Mono: 114 Shasta: 18 Tuolumne: 46
Humboldt: 5 Napa: 9 Sierra: 47 Yuba: 1
Inyo: 43 Nevada: 68 Siskiyou: 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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/24/2024).