| Name | Amaranthus californicus (Moquin-Tandon) S. Watson |
| Authorship | (Moquin-Tandon) S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Amaranthus Linnaeus |
| Citation | 1880 Bot. California 2: 42 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Amaranthus californicus (Moquin-Tandon) S. Watson |
| Identification made in | [no date] (5), 2005 (1) |