Bulbophyllum membranaceum

Smith, J.J., Orchid. Java (1905) 465Description.
Smith, J.J., Orchid. Java, Fig.-Atl. (1911) fig. 356
Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 794, as Bulbophyllum nuruanum Schltr.
Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 267, fig. 1022, as Bulbophyllum nuruanum Schltr.
O'Byrne, P., Lowland Orchid. Papua New Guinea (1994) 464, fig.