Dendrobium chalmersii F.Muell., habit, photo N.E.G. Cruttwell, based on Cruttwell (/68, PNG, Milne Bay Prov., Ilakai)
Dendrobium prostheciglossum Schltr. var. obtusilobum Schltr., habit, photo J.B. Comber, ex PNG, Wabag
Dendrobium prostheciglossum Schltr. var. obtusilobum Schltr., flower, photo J.B. Comber, ex PNG, Wabag