California oat grass
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Poaceae
- genus: Danthonia
- species: Danthonia californica
Challenge-Brownsville- Highlands-Baywood Park
- Nice
- Oakland
California- Moscow
Idaho- Friday Harbor
- Minnehaha
- Pullman
- Seattle
- Spanaway
- Spokane
- Vancouver
- White Salmon
Washington
United States