Distribution map of Bulbophyllum hirudiniferum
Bulbophyllum hirudiniferum J.J.Verm., Selbyana 7, 1 (1982) 24, fig. 4, J.J. Vermeulen, drawing, plant habit and flower analysis, based on NGF (Streiman & Kairo) 44589 (holo L)
Bulbophyllum hirudiniferum J.J.Verm., herbarium sheet, NGF (Streiman & Kairo) 44589 (holotype L)