Dendrobium rigidum R.Br., habit, photo N.E.G. Cruttwell, based on Cruttwell (12/74, PNG, Cape Vogel)
Dendrobium rigidum R.Br., flowers, photo P. O'Byrne, based on O'Byrne D551
Dendrobium rigidum R.Br., flowers, photo D. Titmuss, based on E. L. cult.
Dendrobium rigidum R.Br., drawing by N.H.S. Howcroft in Orchadian 5 (1978) 183
Dendrobium rigidum R.Br. (as Dendrobium desmotrichoides J.J.Sm.), drawing J.J. Smith, based on Bogor cult. (Jaheri 60) s.n.
