Dendrobium longissimum Schltr., drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 196, fig. 735
Dendrobium longissimum Schltr., detail of isotype specimen: Schlechter 19878 (L)
Dendrobium longissimum Schltr., isotype specimen: Schlechter 19878 (L)
