| Name | Equisetum laevigatum A. Brown |
| Authorship | A. Brown |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Equisetum Linnaeus |
| Contains | Equisetum laevigatum f. caespitosum A. A. Eaton Equisetum laevigatum f. ramosum A. A. Eaton |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Equisetum laevigatum A. Brown |
| Identification made in | [no date] (1) |