Calflora, a 501c3 non-profit
Distribution by County   5010    
Lonicera involucrata  (Richardson) Banks ex Spreng.
Coast twinberry,   Twin berry,   Twinberry honeysuckle
Lonicera involucrata is a shrub that is native to California, and also found elsewhere in North America and beyond.
Record Count by County

Alameda: 44 Inyo: 1 Napa: 3 Shasta: 14
Alpine: 21 Lake: 6 Nevada: 45 Sierra: 12
Amador: 1 Lassen: 1 Placer: 9 Solano: 1
Butte: 17 Los Angeles: 1 Plumas: 18 Sonoma: 77
Colusa: 4 Madera: 9 San Francisco: 54 Tehama: 1
Contra Costa: 21 Marin: 138 San Joaquin: 1 Trinity: 1
Del Norte: 7 Mariposa: 17 San Luis Obispo: 74 Tulare: 47
El Dorado: 17 Mendocino: 74 San Mateo: 125 Tuolumne: 22
Fresno: 47 Modoc: 1 Santa Barbara: 42 Yuba: 6
Glenn: 6 Mono: 38 Santa Clara: 8
Humboldt: 98 Monterey: 24 Santa Cruz: 7

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).