Distribution map of Bulbophyllum luteum
Bulbophyllum luteum J.J.Verm., flower, photo A. Schuiteman, based on Yumte 213
Bulbophyllum luteum J.J.Verm., Nordic J. Bot. 26 (2008) 165, fig. 21, J.J. Vermeulen, drawing, based on Yumte 213 (holo L), from Indonesia, Papua, Bird's head Peninsula