| Name | Penstemon triflorus A. Heller |
| Authorship | A. Heller |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| Contains | Penstemon triflorus var. integrifolius (Pennell) Cory |
| GUID | urn:lsid:ipni.org:names:187826-2 |
| Citation | 1895 Contr. Herb. Franklin Marshall Coll. 1: 92 |
| Holdings | 21 Specimens held in the Harvard University Herbaria identified as Penstemon triflorus A. Heller |
| Identification made in | [no date] (6), 1930 (1), 1974 (14) |