F. Mueller, 1888
Dendrobium cuthbertsonii is widely distributed on the island of New Guinea from the northwestern part of Irian Jaya along the central dividing mountain range down to the southeast of Papua New Guinea, on the mountains of the Milne Bay Province. This species has also been sighted on Goodenough Island and the southeastern mountains of New Ireland. It can be found at altitudes of 750-3500m. Flower size 3cm. Plant size 3-5cm.