Distribution map of Bulbophyllum major
Bulbophyllum ischnopus Schltr. var. major Ridl., Trans. Linn. Soc. London, Bot. 9 (1916) 182, J.J. Vermeulen, drawing, plant habit and flower analysis, based on Kloss s.n. (Camp 9-11, 5500 to 8300 ft.) (holo BM)
Bulbophyllum major (Ridl.) P.Royen, Alp. Fl. New Guinea 2 (1979) 213, fig. 77, P. van Royen, drawing