| Penstemon calycosus Small |
| Currently Accepted Name: | Penstemon calycosus Small - Determined By: Deam, April 1936 |
| Herbarium Name Used: | Penstemon calycosus Small |
| Locality: | USA. Indiana. Jackson: Devil's Backbone, 12 miles east of Bedford. |
| Submission Info: | Submitted by Admin on 04 May 2015 |