| Name | Penstemon richardsonii Douglas ex Lindley |
| Authorship | Douglas ex Lindley |
| Rank | Species |
| Placed in | Penstemon Schmidel |
| Contains | Penstemon richardsonii var. curtiflorus (D. D. Keck) Cronquist Penstemon richardsonii var. dentatus (D. D. Keck) Cronquist |
| Citation | 1828 Bot. Reg. 13: t. 1121 |
| Holdings | 70 Specimens held in the Harvard University Herbaria identified as Penstemon richardsonii Douglas ex Lindley |
| Identification made in | [no date] (69), 1931 (1) |
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