Bulbophyllum phreatiopse J.J.Verm., J.J. Vermeulen, drawing, plant habit and flower analysis, based on Hoogland & Craven 10899 (holo L; iso AMES, BRI, CANB, also alc., K, LAE)
Bulbophyllum phreatiopse J.J.Verm., Blumea 38 (1993) 151, fig. 6, J.J. Vermeulen, drawing, flower analysis, based on Hoogland & Craven 10899 (holo L; iso AMES, BRI, CANB, also alc., K, LAE)