| Name | Phreatia laxa var. perlaxa Schlechter |
| Authorship | Schlechter |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Phreatia laxa Schlechter |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Phreatia laxa var. perlaxa Schlechter |
| Identification made in | [no date] (1) |