| Name | Greenia Nuttall |
| Authorship | Nuttall |
| Rank | Genus |
| NomenclaturalStatus | LaterHomonym |
| Placed in | Poaceae |
| Contains | Greenia arkansana Nutt. |
| Remarks | later homonym (non S. Wallman 1791); = Limnodea Dewey 1894 |
| GUID | urn:lsid:ipni.org:names:18139-1 |
| Citation | 1835 Trans. Amer. Philos. Soc. ser. 2, 5: 142 |