| Name | Antirhea cahosiana Urban & Ekman |
| Authorship | Urban & Ekman |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Antirhea Commerson ex Jussieu |
| Citation | 1929 Ark. Bot. 22A(10): 93 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Antirhea cahosiana Urban & Ekman |
| Identification made in | [no date] (1) |