| Name | Penstemon deustus var. variabilis (Suksdorf) Cronquist |
| Authorship | (Suksdorf) Cronquist |
| Rank | Variety |
| Placed in | Penstemon deustus Douglas |
| Citation | 1959 Vasc. Pl. Pacif. N. W. 4: 380 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Penstemon deustus var. variabilis (Suksdorf) Cronquist |
| Identification made in | [no date] (11) |
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