| Name | Phaca annua Geyer |
| Authorship | Geyer |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Phaca Linnaeus |
| GUID | urn:lsid:ipni.org:names:513194-1 |
| Citation | 1847 London J. Bot. 6: 213 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Phaca annua Geyer |
| Identification made in | [no date] (1) |