| Name | Penstemon deustus Douglas |
| Authorship | Douglas |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| Contains | Penstemon deustus var. pedicellatus M. E. Jones Penstemon deustus var. savagei L. F. Henderson Penstemon deustus var. suffrutescens L. F. Henderson Penstemon deustus var. variabilis (Suksdorf) Cronquist |
| Holdings | 135 Specimens held in the Harvard University Herbaria identified as Penstemon deustus Douglas |
| Identification made in | [no date] (132), 1930 (3) |
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