| Name | Equisetum variegatum var. nelsoni A. A. Eaton |
| Authorship | A. A. Eaton |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Equisetum variegatum Schleicher ex F. Weber & D. Mohr |
| Citation | 1904 Fern Bull. 12: 41 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Equisetum variegatum var. nelsoni A. A. Eaton |
| Identification made in | [no date] (1) |
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