Cynoglossum longifolium
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Boraginales
- family: Boraginaceae
- genus: Cynoglossum
- species: Cynoglossum longifolium
- Bergshamra
- Djursholm
Stockholm- Göteborg
Västra Götaland
Sweden- Denver
Colorado
United States