Phreatia potamophila Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 937 (non Schltr. 1911)
Type: Schlechter 16268 (B, lost); 16765 (B, lost; BO); 18070 (B, lost; BO, L)
Phreatia rivularis Schltr., Bot. Jahrb. Syst. 58 (1923) 149 (nom. superfl.)