Taxon  Report   2997    
Epilobium glaberrimum  Barbey  ssp. fastigiatum  (Nutt.) Hoch & P. H. Raven
Cluster stemmed willowherb,   Glaucus willowherb,   Smooth willowherb
Epilobium glaberrimum ssp. fastigiatum, a dicot, is a perennial herb that is native to California, and also found elsewhere in western North America.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial

Bloom Period
Family: Onagraceae  
Genus: Epilobium
Parent: Epilobium glaberrimum

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Communities: wetland-riparian

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
JEF + PLANTSEpilobium glaberrimum var. fastigiatum
PLANTSEpilobium platyphyllum
More information about  Epilobium glaberrimum ssp. fastigiatum

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]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 05/19/2022).