| Name | Penstemon clutei A. Nelson | 
| Authorship | A. Nelson | 
| Rank | Species | 
| Placed in | Penstemon Schmidel | 
| Citation | 1927 Amer. Bot. (Binghamton) 33(3): 109–110 | 
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Penstemon clutei A. Nelson | 
| Identification made in | [no date] (3) |