panicle willowherb
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Myrtales
- family: Onagraceae
- genus: Epilobium
- species: Epilobium brachycarpum
- Kortrijk
Flanders
Belgium- Grand Forks
- North Saanich
- Victoria
British Columbia
Canada- Hoppegarten
- Neuenhagen
Brandenburg- Gießen
Hesse
Germany- Fort Collins
- Idaho Springs
- Platteville
Colorado- New Castle
- Wilmington Manor
Delaware- Boise
- Driggs
- Moscow
- Soda Springs
- Weiser
Idaho- Jackson
Michigan- Carson City
- Reno
- Verdi
- Wells
Nevada- Rutland
Vermont
United States