Longsepal beardtongue
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Lamiales
- family: Plantaginaceae
- genus: Penstemon
- species: Penstemon calycosus
Decatur- Huntsville
Alabama- Kent
- Montville Center
Connecticut- Hanover
Indiana- Bowling Green
- Mount Vernon
Kentucky- Watchung
New Jersey- Nashville
Tennessee
United States