| Name | Amaranthus sclerantoides f. chathamensis B. L. Robinson & Greenman |
| Authorship | B. L. Robinson & Greenman |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Amaranthus sclerantoides (Andersson) Andersson |
| Citation | 1895 Amer. J. Sci. ser. 3, 50: 140 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Amaranthus sclerantoides f. chathamensis B. L. Robinson & Greenman |
| Identification made in | [no date] (4) |