Stipa tirsa
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Poaceae
- genus: Stipa
- species: Stipa tirsa
Västervik
Kalmar- Bergshamra
- Djursholm
Stockholm- Göteborg
Västra Götaland
Sweden
Denver
Colorado
United States