| Name | Polyachyrus cinereus Ricardi & Weldt |
| Authorship | Ricardi & Weldt |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Polyachyrus |
| GUID | urn:lsid:ipni.org:names:239112-1 |
| Citation | 1974 Gayana, Bot. 26: 26 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Polyachyrus cinereus Ricardi & Weldt |
| Identification made in | [no date] (1), 1972 (1) |