Calanthe ombrophila P.Royen, Alp. Fl. New Guinea 2 (1979) 140, fig. 58
Type: Balgooy, van 214 (holo L)
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Calanthe curvato-ascendens Gilli, Ann. Naturhist. Mus. Wien 84, B (1980 publ. 1983) 17, fig. 4
Type: Gilli 466 (holo W)
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Calanthe tenuis Gilli, Ann. Naturhist. Mus. Wien 84, B (1980 publ. 1983) 20 (non Ames & C.Schweinf.)
Type: Gilli 347 (holo W)
Calanthe fragilis Govaerts, World Checklist Seed Plants 3, 1 (1999) 11 (nom. nov.)