| Name | Xanthium affine Greene |
| Authorship | Greene |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Xanthium |
| GUID | urn:lsid:ipni.org:names:269202-2 |
| Citation | 1899 Pittonia 4: 60 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Xanthium affine Greene |
| Identification made in | [no date] (1) |