Schlechter, R. 1912. Repert. Spec. Nov. Regni Veg. Beih. 1: 488.
Schlechter, R. 1923. Repert. Spec. Nov. Regni Veg. Beih. 21: t. 165, fig. 617.
Cribb, P.J. 1983. Kew Bull. 38: 293, pl. 16C, D, map 9.
O'Byrne, P. 1994. Lowland Orchids of Papua New Guinea: 280, fig.
%LABEL% (%SOURCE%)