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Distribution by County   3019    
Epilobium torreyi  (S. Watson) Hoch & P. H. Raven
Narrow boisduvalia,   Narrow leaved boisduvalia,   Torrey's willowherb
Epilobium torreyi is an annual herb that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 4 Lassen: 13 Sacramento: 62 Sonoma: 19
Amador: 1 Madera: 4 San Benito: 10 Stanislaus: 2
Butte: 76 Marin: 10 San Bernardino: 10 Sutter: 2
Calaveras: 5 Mariposa: 7 San Diego: 1 Tehama: 42
Colusa: 4 Mendocino: 13 San Joaquin: 1 Trinity: 2
Contra Costa: 7 Merced: 1 San Luis Obispo: 5 Tulare: 6
El Dorado: 8 Modoc: 3 San Mateo: 17 Tuolumne: 8
Fresno: 9 Monterey: 13 Santa Clara: 16 Yolo: 1
Glenn: 1 Napa: 26 Santa Cruz: 3 Yuba: 8
Humboldt: 3 Nevada: 12 Shasta: 15
Kern: 6 Placer: 11 Sierra: 6
Lake: 16 Plumas: 7 Solano: 8

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).