Calflora, a 501c3 non-profit
Distribution by County   4212    
Holodiscus microphyllus  Rydb.

(not an active name)
Oceanspray,   Rockspiraea,   Small leaved cream bush
Holodiscus microphyllus is a shrub that is native to California, and also found elsewhere in western North America.
also called Holodiscus discolor var. microphyllus
Record Count by County

Alameda: 75 Lake: 24 Plumas: 37 Solano: 6
Alpine: 46 Lassen: 24 Riverside: 29 Sonoma: 131
Amador: 9 Los Angeles: 102 San Benito: 42 Stanislaus: 1
Butte: 23 Madera: 12 San Bernardino: 142 Sutter: 5
Calaveras: 2 Marin: 278 San Diego: 16 Tehama: 21
Colusa: 4 Mariposa: 31 San Francisco: 14 Trinity: 65
Contra Costa: 65 Mendocino: 75 San Luis Obispo: 91 Tulare: 132
Del Norte: 14 Modoc: 4 San Mateo: 240 Tuolumne: 59
El Dorado: 51 Mono: 143 Santa Barbara: 66 Ventura: 41
Fresno: 97 Monterey: 114 Santa Clara: 90 Yolo: 2
Glenn: 6 Napa: 19 Santa Cruz: 38 Yuba: 2
Humboldt: 107 Nevada: 33 Shasta: 55
Inyo: 136 Orange: 37 Sierra: 17
Kern: 26 Placer: 44 Siskiyou: 31

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).