Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 856
Smith, J.J., Nova Guinea 12, 1 (1913) 85, t. 23, fig. 68, as Bulbophyllum pelma J.J.Sm.
Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 296, fig. 1136
Vermeulen, J.J., Orchid Monogr. 7 (1993) 142, fig. 98
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