| Name | Phreatia ganggapensis P. Royen |
| Authorship | P. Royen |
| Rank | Species |
| Placed in | Phreatia Lindley |
| Citation | 1979 Alpine Fl. New Guinea 2: 769 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Phreatia ganggapensis P. Royen |
| Identification made in | 2012 (1) |