Mediocalcar robustum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 225
Type: Schlechter 20278 (holo B, lost); (neo: Ledermann 8880 E; iso AMES, K)
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Mediocalcar bicolor J.J.Sm., Bull. Inst. Bot. Buitenzorg 7 (1900) 3
Type: J.J. Smith s.n. (Moluccas, Ambon, Tuna top) (holo BO)
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Mediocalcar kaniense Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 226
Type: Schlechter 16714 (lecto K; AMES, B, lost, BM, BO, K); 17715 (syn B, lost; AMES, BM, BO, K)
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Mediocalcar stenopetalum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 226
Type: Schlechter 20204 (holo B, lost)
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Mediocalcar ponapense Schltr., Bot. Jahrb. Syst. 56 (1921) 475
Type: Ledermann 13359 (syn B, lost); 13712 (syn B, lost)
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Mediocalcar ternatense J.J.Sm., Bull. Jard. Bot. Buitenzorg, sér. 3, 9 (1927) 146
Type: Beguin 1539 (Moluccas, Ternate) (holo L; iso BO)
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Mediocalcar selebicum J.J.Sm., Bot. Jahrb. Syst. 65 (1933) 476
Type: Kjellberg 1505 (Celebes) (holo L; iso BO, K, S)
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Bulbophyllum urceolatum A.D.Hawkes, Pacific Sci. 6 (1952) 4