Smith, J.J., Nova Guinea 8, 3 (1911) 525
Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 84, as Vrydagzynea pachyceras Schltr.
Smith, J.J., Nova Guinea 12, 3 (1915) 190
Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 34, fig. 116, as Vrydagzynea pachyceras Schltr.
Smith, J.J., Nova Guinea 14, 3 (1929) 511
Smith, J.J., Nova Guinea 18, 1 (1935) 12
Ormerod, P., Orchadian 11 (1994) 218
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