| Classification | Amaranthaceae |
| Classification 1 | Amaranthaceae: Amaranthus |
| Harvard University Herbaria Barcode(s) | 00036997 |
| Type Status | Holotype |
| Collector | Josiah Gregg |
| Country | Mexico |
| Geography | North America: North America (CA, US, MX) (Region): Mexico |
| Locality | Mouth of the Rio Grande |
| Date Collected | 1847-12-17 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6ad69c0b-e50c-4b99-ba91-3ce12c9cd8e7 |
| Harvard University Herbaria Barcode | 00036997 |
| Herbarium | GH |
| Family | Amaranthaceae |
| Determination | Amaranthus Linnaeus |
| Determination Remarks | [is label name] |
| Family | Amaranthaceae |
| Determination | Amaranthus greggii S. Watson |
| Determination Remarks | [is Current name] |
| Family | Amaranthaceae |
| Type Status | Holotype |
| Holotype of | Amaranthus greggii S. Watson |
| Verified by | J. D. Sauer |
| Date Determined | 1952 |
| Determination Remarks | Revision of the Dioecious Amaranths |
| Taxon Reference | (for Amaranthus greggii S. Watson) Proc. Amer. Acad. Arts 1877. 12: 274. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
