| Name | Penstemon cyanocaulis Payson |
| Authorship | Payson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| GUID | urn:lsid:ipni.org:names:187325-2 |
| Citation | 1915 Bot. Gaz. 60: 380 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Penstemon cyanocaulis Payson |
| Identification made in | [no date] (9), 1930 (2) |
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