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