Calflora, a 501c3 non-profit
Distribution by County   59    
Acer macrophyllum  Pursh
Big leaf maple,   Bigleaf maple
Acer macrophyllum is a tree that is native to California, and also found elsewhere in North America and beyond.
Record Count by County

Alameda: 68 Lassen: 5 San Benito: 13 Solano: 21
Amador: 19 Los Angeles: 289 San Bernardino: 79 Sonoma: 257
Butte: 143 Marin: 201 San Diego: 15 Stanislaus: 1
Calaveras: 19 Mariposa: 33 San Francisco: 5 Tehama: 54
Colusa: 6 Mendocino: 79 San Joaquin: 1 Trinity: 89
Contra Costa: 62 Monterey: 116 San Luis Obispo: 55 Tulare: 29
Del Norte: 12 Napa: 61 San Mateo: 133 Tuolumne: 16
El Dorado: 45 Nevada: 74 Santa Barbara: 87 Ventura: 47
Fresno: 20 Orange: 63 Santa Clara: 154 Yolo: 8
Glenn: 3 Placer: 47 Santa Cruz: 97 Yuba: 10
Humboldt: 127 Plumas: 66 Shasta: 67
Kern: 17 Riverside: 17 Sierra: 37
Lake: 13 Sacramento: 1 Siskiyou: 19

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: 12/03/2024).