Distribution map of Bulbophyllum oligochaete
Bulbophyllum oligochaete Schltr., J.J. Vermeulen, sketch, flower analysis, based on Kloss s.n., Camp 6a, (7-1-1913), type of B. ovale Ridl.
Bulbophyllum oligochaete Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 279, fig. 1068