| Name | Phreatia palawensis (Schlechter) Tuyama | 
| Authorship | (Schlechter) Tuyama | 
| Rank | Species | 
| Placed in | Phreatia Lindley | 
| Citation | 1940 Bot. Mag. (Tokyo), Special Issue 54: 278 | 
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Phreatia palawensis (Schlechter) Tuyama | 
| Identification made in | [no date] (3) |