Distribution map of Bulbophyllum vexillarium
Bulbophyllum vexillarium Ridl., Trans. Linn. Soc. London, Bot. 9 (1916) 183, P. van Royen, drawing, column and lip, based on Kloss s.n. (Camp 12 to 13, 11000 to 10500 ft.) (holo BM)
Bulbophyllum vexillarium Ridl., Trans. Linn. Soc. London, Bot. 9 (1916) 183, J.J. Vermeulen, sketch, column and lip, based on Kloss s.n. (Camp 12 to 13, 11000 to 10500 ft.) (holo BM)