Smith, J.J., Orchid. Java (1905) 154
Smith, J.J., Orchid. Java, Fig.-Atl. (1909) fig. 114
Smith, J.J., Bull. Dép. Agric. Indes Néerl. 43 (1910) 13
Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 42, fig. 144, as Pholidota sororia Schltr.
Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 42, fig. 145, as Pholidota sororia Schltr. var. djamuensis Schltr.
de Vogel, E.F., Orchid Monogr. 3 (1988) 39, fig. 17, pl. 4a & b
Wood, J.J., Orchid. Borneo 4 (2003) 193, fig. 81, pl. 17C & D, 18A & B
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