Cystorchis obscura Blume, Fl. Javae, n.s., 1 (1858) 74, pl. 37, f. 2
Type: Zippel s.n. (New Guinea) (holo L? NOT FOUND)
Hetaeria obscura (Blume) Miq., Fl. Ned. Indië 3 (1859) 726
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Eurycentrum smithianum Schltr., Bot. Jahrb. Syst. 45 (1911) 393
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Eurycentrum goodyeroides Ridl., Trans. Linn. Soc. London, Bot. 9 (1916) 207
Type: Kloss s.n. (Camp 3, 2500 ft.) (holo BM)
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Eurycentrum amblyoceras Schltr., Repert. Spec. Nov. Regni Veg. 17 (1921) 368
Type: Chalmers s.n. (Cloudy Mts, Papua) (holo B, lost)
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Eurycentrum atroviride J.J.Sm., Nova Guinea 14 (1929) 347, pl. 44, 10
Type: Lam 1162 (lecto L, chosen by Ormerod); 941 (syn BO, L)