| Name | Penstemon deustus var. suffrutescens L. F. Henderson |
| Authorship | L. F. Henderson |
| Rank | Variety |
| Placed in | Penstemon deustus Douglas |
| Citation | 1931 Rhodora 33: 206 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Penstemon deustus var. suffrutescens L. F. Henderson |
| Identification made in | [no date] (8) |
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