| Name | Penstemon lassenianus Greene |
| Authorship | Greene |
| Rank | Species |
| Placed in | Penstemon Schmidel |
| GUID | urn:lsid:ipni.org:names:808163-1 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Penstemon lassenianus Greene |
| Identification made in | [no date] (1) |
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