Distribution map of Bulbophyllum humile
Bulbophyllum humile Schltr., floral analysis, R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 239, fig. 910
Bulbophyllum humile Schltr., herbarium sheet, Schlechter 17848 (isotype specimen K), photo copyright the Board of Trustees of the Royal Botanic Gardens, Kew