Hall's willowweed
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Myrtales
- family: Onagraceae
- genus: Epilobium
- species: Epilobium halleanum
Chico- Felton
- Mount Hermon
- San Bernardino
California- Canyonville
- Hines
- Salem
- Silverton
- White City
Oregon- Asotin
- Cle Elum
- Medical Lake
- Pullman
- Seattle
Washington
United States