| Name | Amaranthus caudatus var. alopecurus Moquin-Tandon |
| Authorship | Moquin-Tandon |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Amaranthus caudatus Linnaeus |
| Citation | 1849 Prodr. [A. P. de Candolle] 13(2): 256 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Amaranthus caudatus var. alopecurus Moquin-Tandon |
| Identification made in | 2007 (1) |