| Name | Equisetum arvense f. microstachya A. A. Eaton |
| Authorship | A. A. Eaton |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Equisetum arvense Linnaeus |
| GUID | urn:lsid:ipni.org:names:294383-2 |
| Citation | 1899 Fern Bull. 7: 87 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Equisetum arvense f. microstachya A. A. Eaton |
| Identification made in | [no date] (1) |