Dendrobium prostheciglossum Schltr., inflorescence, photo N.E.G. Cruttwell, based on Cruttwell (/82, PNG, Mt. Gahavisuka)
Dendrobium prostheciglossum Schltr., inflorescence, photo W. Baker, based on Baker 845 (Papua (Indonesia), Mt. Jaya)
Dendrobium prostheciglossum Schltr. var. obtusilobum Schltr., flower, photo J.B. Comber, ex PNG, Wabag
Dendrobium prostheciglossum Schltr. var. obtusilobum Schltr., habit, photo J.B. Comber, ex PNG, Wabag
Dendrobium prostheciglossum Schltr., drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 187, fig. 700
Dendrobium prostheciglossum Schltr. var. obtusilobum Schltr., drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 187, fig. 701