Sarcochilus robertsii Schltr., Repert. Spec. Nov. Regni Veg. 3 (1907) 320
Type: Roberts s.n. (1887, New Caledonia (holo B, lost)
Chamaeanthus robertsii (Schltr.) Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 957
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Chamaeanthus laxus Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 958
Type: Schlechter 18367 (holo B, lost; iso AMES, BO, L, MO); para: Schlechter 19040 (B, lost)
Gunnarella laxa (Schltr.) Senghas, Orchidee 39 (1988) 73