| Name | Phreatia crassifolia Ridley |
| Authorship | Ridley |
| Rank | Species |
| Placed in | Phreatia Lindley |
| Citation | 1909 J. Fed. Malay States Mus. 4: 69 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Phreatia crassifolia Ridley |
| Identification made in | [no date] (1) |