Calflora, a 501c3 non-profit
Distribution by County   12561    
Holodiscus dumosus  (Nutt. ex Hook.) A. Heller

(not an active name)
Rockspirea
Holodiscus dumosus is a shrub that is not native to California.
Record Count by County

Alameda: 75 Lake: 24 Plumas: 36 Solano: 6
Alpine: 44 Lassen: 23 Riverside: 23 Sonoma: 132
Amador: 9 Los Angeles: 87 San Benito: 42 Stanislaus: 1
Butte: 22 Madera: 8 San Bernardino: 70 Sutter: 5
Calaveras: 2 Marin: 278 San Diego: 16 Tehama: 20
Colusa: 4 Mariposa: 26 San Francisco: 14 Trinity: 64
Contra Costa: 65 Mendocino: 74 San Luis Obispo: 91 Tulare: 37
Del Norte: 14 Modoc: 3 San Mateo: 240 Tuolumne: 39
El Dorado: 49 Mono: 106 Santa Barbara: 65 Ventura: 40
Fresno: 25 Monterey: 108 Santa Clara: 90 Yolo: 2
Glenn: 6 Napa: 19 Santa Cruz: 38 Yuba: 2
Humboldt: 107 Nevada: 30 Shasta: 52
Inyo: 107 Orange: 35 Sierra: 15
Kern: 18 Placer: 42 Siskiyou: 28

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).