Bulbophyllum grandiflorum

Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 740
Smith, J.J., Nova Guinea 14, 3 (1929) 479
Howcroft, N.H.S., Orchadian 6 (1978) 3, fig. 2
O'Byrne, P., Lowland Orchid. Papua New Guinea (1994) 438, fig.