Dendrobium williamsianum Rchb.f., flowers, photo D. Titmuss, based on D. Batchelor cult.
Dendrobium williamsianum Rchb.f., flowers, photo P. O'Byrne, based on O'Byrne D610
Dendrobium williamsianum Rchb.f., flowers, photo D. Titmuss, based on S. Batchelor cult.
Dendrobium williamsianum Rchb.f., lip, photo P. O'Byrne, based on O'Byrne D610
Dendrobium williamsianum Rchb.f., drawing by N.H.S. Howcroft in Orchadian 4 (1972) 47