Calanthe caulescens J.J.Sm., habit (in situ), photo N.E.G. Cruttwell, based on Cruttwell (9/79, PNG, Mt. Rongo)
Calanthe caulescens J.J.Sm., drawing J.J. Smith, from de Kock 144
Calanthe apostasioides Schltr., from Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 132, fig. 497
Calanthe caulescens J.J.Sm., herbarium sheet, Kock, de 144, holotype specimen (BO)
Calanthe salmoniviridis P.Royen, herbarium sheet, Brass 9055, holotype specimen (L)
