Calflora
Taxon  Report   3009    
Epilobium oreganum  Greene
Grants pass willowherb,  Oregon fireweed
Epilobium oreganum, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America, Oregon.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   CNDDB
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
Observation Search
(117 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Family: ONAGRACEAE  
Genus: Epilobium

Wetlands: Occurs in wetlands

Ultramafic affinity: 3.8; (broad endemic / strong indicator)

Habitat: bogs/fens

Communities: Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, Freshwater Wetlands, wetland-riparian

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
JEF + PLANTS: Epilobium exaltatum
More information about  Epilobium oreganum

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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Nov 24, 2020).