Distribution map of Bulbophyllum infundibuliforme
Bulbophyllum infundibuliforme J.J.Sm. ssp. infundibuliforme, J.J. Vermeulen, drawing, plant habit and flower analysis
Bulbophyllum garupinum Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 247, fig. 946
Bulbophyllum infundibuliforme J.J.Sm., herbarium sheet, probably syntype specimen, Teysmann s.n. (without loc.) (BO, probably syntype specimen)