Arachnis longicaulis (Schltr.) L.O.Williams, habit, photo N.E.G. Cruttwell, based on Cruttwell (11/83, PNG, Bulolo)
Arachnis longicaulis (Schltr.) L.O.Williams, flower, photo N.E.G. Cruttwell, based on Cruttwell (1/79, PNG, Bulolo)
Arachnis longicaulis (Schltr.) L.O.Williams, drawing N.H.S. Howcroft 410
Arachnis longicaulis (Schltr.) L.O.Williams, drawing N.H.S. Howcroft 33, from Bulolo
Vandopsis longicaulis Schltr., from Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 343, fig. 1322
Arachnis longicaulis (Schltr.) L.O.Williams, herbarium sheet, Schlechter 18420, isotype specimen (L)
Vandopsis longicaulis Schltr., herbarium sheet, Schlechter 18420, isotype specimen (BO)
