| Name | Ophioglossum vulgatum var. pycnostichum Fernald |
| Authorship | Fernald |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Ophioglossum vulgatum Linnaeus |
| GUID | urn:lsid:ipni.org:names:1124511-2 |
| Citation | 1939 Rhodora 41: 494 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Ophioglossum vulgatum var. pycnostichum Fernald |
| Identification made in | [no date] (3) |
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