| Name | Penstemon acaulis L. O. Williams |
| Authorship | L. O. Williams |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Penstemon Schmidel |
| GUID | urn:lsid:ipni.org:names:807834-1 |
| Citation | 1934 Ann. Missouri Bot. Gard. 21: 345 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Penstemon acaulis L. O. Williams |
| Identification made in | [no date] (3) |
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