Dendrobium subquadratum J.J.Sm. (as Dendrobium sikinii Schltr.), drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 164, fig. 616
Dendrobium subquadratum J.J.Sm., drawing J.J. Smith, based on Versteeg 1391
Dendrobium subquadratum J.J.Sm., drawing Natadipoera, based on Versteeg 1391
Dendrobium sikinii Schltr. (= Dendrobium subquadratum J.J.Sm.), detail of isotype specimen: Schlechter 16283 (L)
Dendrobium sikinii Schltr. (= Dendrobium subquadratum J.J.Sm.), isotype specimen: Schlechter 16283 (L)
