Douglas' grasswidow
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Asparagales
- family: Iridaceae
- genus: Olsynium
- species: Olsynium douglasii
Oak Bay
British Columbia
CanadaBergshamra
Djursholm
StockholmGöteborg
Västra Götaland
SwedenDallesport
Goldendale
Mabton
Pullman
Spokane
West Valley
Yakima
Washington
United States