| Name | Euphrasia callosa Pennell |
| Authorship | Pennell |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphrasia |
| GUID | urn:lsid:ipni.org:names:802414-1 |
| Citation | 1943 J. Arnold Arbor. 24: 273 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Euphrasia callosa Pennell |
| Identification made in | [no date] (1) |
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