Dendrobium helix P.J.Cribb, habit, photo Roy. Bot. Gard. Kew, based on Kew cult. (G.H. Slade)
Dendrobium helix P.J.Cribb, inflorescence, photo N.E.G. Cruttwell, based on Cruttwell (New Britain)
Dendrobium helix P.J.Cribb, flowers, photo J.B. Comber, at National Capital Botanical Garden, Port Moresby
Dendrobium helix P.J.Cribb, flowers, photo Roy. Bot. Gard. Kew, based on Kew cult. (G.H. Slade)
Dendrobium helix P.J.Cribb, drawing by M. Swann in Kew Bull. 41 (1986) 667, fig. 11
