Dendrobium forbesii Ridl., habit, photo Roy. Bot. Gard. Edin., based on Edinburgh cult. C4609
Dendrobium forbesii Ridl., flower, photo D. Titmuss, based on P. Spence cult.
Dendrobium forbesii Ridl., inflorescence, photo A. Vogel, based on Leiden cult. 32312
Dendrobium forbesii Ridl., drawing by S.P. Hillier in Kew Bull. 38 (1983) 246, fig. 1 F, G
Dendrobium forbesii Ridl. (as Dendrobium forbesii Ridl. var. praestans Schltr.), drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 169, fig. 631
Dendrobium forbesii Ridl. var. praestans Schltr. (= Dendrobium forbesii Ridl.), detail of isosyntype specimen: Schlechter 18513 (L)
Dendrobium forbesii Ridl. var. praestans Schltr. (= Dendrobium forbesii Ridl.), isosyntype specimen: Schlechter 18513 (L)
