Calflora, a 501c3 non-profit
Distribution by County   2999    
Epilobium halleanum  Hausskn.

(not an active name)
Glandular willowherb,   Hairy willowherb,   Hall's willowherb,   Pringle's willow herb,   Slender willowherb
Epilobium halleanum is a perennial herb that is native to California, and also found elsewhere in western North America.
also called Epilobium hallianum
Record Count by County

Alpine: 5 Inyo: 8 Nevada: 27 Shasta: 8
Amador: 1 Lake: 7 Placer: 31 Sierra: 14
Butte: 10 Lassen: 8 Plumas: 18 Siskiyou: 1
Calaveras: 1 Madera: 12 Riverside: 1 Sonoma: 8
Colusa: 2 Marin: 4 San Bernardino: 12 Tehama: 4
El Dorado: 32 Mariposa: 15 San Diego: 2 Trinity: 13
Fresno: 39 Mendocino: 5 Santa Barbara: 2 Tulare: 21
Glenn: 1 Modoc: 1 Santa Clara: 1 Tuolumne: 17
Humboldt: 4 Mono: 19 Santa Cruz: 14 Ventura: 3

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).