lilac penstemon
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Lamiales
- family: Plantaginaceae
- genus: Penstemon
- species: Penstemon gracilis
Lethbridge- Peace River
Alberta
Canada
Kittredge
Colorado- West Peoria
Illinois- Brainerd
- Minneapolis
- Saint Anthony
Minnesota- Spearfish
South Dakota
United States