| Name | Penstemon palmeri var. eglandulosus (D. D. Keck) N. H. Holmgren |
| Authorship | (D. D. Keck) N. H. Holmgren |
| Rank | Variety |
| Placed in | Penstemon palmeri A. Gray |
| Citation | 1979 Brittonia 31: 105 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Penstemon palmeri var. eglandulosus (D. D. Keck) N. H. Holmgren |
| Identification made in | [no date] (4) |
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