Smith, J.J., Nova Guinea 8, 3 (1911) 529, t. 77C, as Spathoglottis obovata J.J.Sm.
Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 401
Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 141, fig. 529
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