| Name | Penstemon campanulatus var. subglandulosus S. S. White | 
| Authorship | S. S. White | 
| Rank | Variety | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Penstemon campanulatus (Cavanilles) Willdenow | 
| GUID | urn:lsid:ipni.org:names:1183375-2 | 
| Citation | 1947 J. Arnold Arbor. 28: 440 | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Penstemon campanulatus var. subglandulosus S. S. White | 
| Identification made in | [no date] (2) |