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: 43 Inyo: 1 Napa: 3 Santa Cruz: 8
Alpine: 21 Lake: 6 Nevada: 44 Shasta: 12
Butte: 17 Lassen: 1 Placer: 8 Sierra: 11
Colusa: 5 Madera: 7 Plumas: 18 Siskiyou: 21
Contra Costa: 21 Marin: 132 San Francisco: 50 Solano: 1
Del Norte: 34 Mariposa: 17 San Joaquin: 1 Sonoma: 76
El Dorado: 14 Mendocino: 73 San Luis Obispo: 72 Trinity: 1
Fresno: 45 Modoc: 14 San Mateo: 118 Tulare: 46
Glenn: 6 Mono: 33 Santa Barbara: 42 Tuolumne: 22
Humboldt: 143 Monterey: 23 Santa Clara: 8 Yuba: 6

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: 05/07/2024).