Distribution map of Bulbophyllum biantennatum
Bulbophyllum biantennatum Schltr., flower, photo T. M. Reeve, based on Reeve 772
Bulbophyllum biantennatum Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 244, fig. 930