| Name | Penstemon rubicundus D. D. Keck |
| Authorship | D. D. Keck |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| GUID | urn:lsid:ipni.org:names:187747-2 |
| Citation | 1937 Amer. Midl. Naturalist 18: 802 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Penstemon rubicundus D. D. Keck |
| Identification made in | [no date] (2) |