| Name | Penstemon antirrhinoides subsp. microphyllus (A. Gray) D. D. Keck |
| Authorship | (A. Gray) D. D. Keck |
| Rank | Subspecies |
| NomenclaturalStatus | Unknown |
| Placed in | Penstemon antirrhinoides Bentham |
| GUID | urn:lsid:ipni.org:names:1071830-2 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Penstemon antirrhinoides subsp. microphyllus (A. Gray) D. D. Keck |
| Identification made in | [no date] (1) |
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