distribution map
Phreatia macra Schltr., habit & floral analysis, drawing P. van Royen in Alpine Flora of New Guinea 2 (1979) fig. 267, based on Hoogland 9925
Phreatia macra Schltr., drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 328, fig. 1263