bristly mousetail
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Ranunculales
- family: Ranunculaceae
- genus: Myosurus
- species: Myosurus apetalus
Sacramento
California- Joseph
- Klamath Falls
- Madras
- Sunriver
- The Dalles
- Union
Oregon- Cle Elum
- Dallesport
Washington- Kemmerer
- Pine Bluffs
Wyoming
United States