Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 872, as Bulbophyllum macgregorii Schltr.
Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 886
Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 311, fig. 1194, as Bulbophyllum hedyothyrsus Schltr.
Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 305, fig. 1171, as Bulbophyllum macgregorii Schltr.
Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 310, fig. 1192
Smith, J.J., Nova Guinea 18, 1 (1935) 66, as Bulbophyllum macgregorii Schltr.
Howcroft, N.H.S., Orchadian 8 (1987) 231, fig., as Bulbophyllum hedyothyrsus Schltr.
Vermeulen, J.J., Orchid Monogr. 7 (1993) 98, fig. 54
O'Byrne, P., Lowland Orchid. Papua New Guinea (1994) 416, fig., pl.
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