| Name | Euphrasia williamsii B. L. Robinson |
| Authorship | B. L. Robinson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphrasia |
| Contains | Euphrasia williamsii var. vestita Fernald & Wiegand |
| GUID | urn:lsid:ipni.org:names:102187-2 |
| Citation | 1901 Rhodora 3: 272 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Euphrasia williamsii B. L. Robinson |
| Identification made in | [no date] (2) |
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