Bulbophyllum microcharis Schltr. in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 209
Type: Schlechter 14472 (holo B, lost)
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Bulbophyllum pallidiflorum Schltr., Bot. Jahrb. Syst. 39 (1906) 86
Type: Schlechter 15704 (holo B, lost; iso P)
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Bulbophyllum remotum J.J.Sm., Repert. Spec. Nov. Regni Veg. 10 (1912) 488
Type: Gjellerup 563 (holo BO)
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Bulbophyllum ferruginescens Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 736
Type: Schlechter 17352 (syn B, lost; K); 18989 (syn B, lost; BM, K); 19119 (syn B, lost)
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Bulbophyllum govidjoae Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 734
Type: Schlechter 19749 (holo B, lost)
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Bulbophyllum imitans Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 734
Type: Schlechter 19771 (holo B, lost)
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Bulbophyllum kempterianum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 736
Type: Schlechter 19037 (holo B, lost)
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Bulbophyllum pallidiflavum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 735
Type: Schlechter 16475 (holo B, lost; iso AMES, E, G, K, L, NY, S)
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Bulbophyllum perlongum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 737
Type: Schlechter 18701 (holo B, lost)
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Bulbophyllum uduense Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 735
Type: Schlechter 19904 (holo B, lost; iso AMES, BO, L)
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Bulbophyllum constrictilabre J.J.Sm., Meded. Rijks-Herb. 23 (1915) 14
Type: Pulle 887 (syn BO; K, L); 940 (syn BO; K, L, U); 940 a (L)
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Bulbophyllum angiense J.J.Sm., Nova Guinea 12, 4 (1916) 403, pl. 149, fig. 280
Type: Gjellerup 1119 (holo BO)
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Bulbophyllum longiserpens Schltr., Bot. Jahrb. Syst. 58 (1923) 138
Type: Ledermann 10941; 11017 (syn B, lost)
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Bulbophyllum acutibrachium J.J.Sm., Nova Guinea 14 (1929) 466, pl. 76, fig. 113
Type: Lam 1952 (New Guinea, Mamberamo, Doormantop) (holo L; iso BO)
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Bulbophyllum disjunctibulbum J.J.Sm., Nova Guinea 14 (1929) 467, pl. 76, fig. 114
Type: Lam 1541 (New Guinea, Mamberamo, Doormantop) (holo L; iso BO)
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Bulbophyllum sculptum J.J.Sm., Nova Guinea 14 (1929) 464, pl. 76, fig. 111
Type: Lam 1767 (holo BO)
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Bulbophyllum cordilabrum P.Royen, Alp. Fl. New Guinea 2 (1979) 185, fig. 71
Type: ANU (Wade) 7277 (holo CANB; iso AMES, L, LAE)
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Bulbophyllum subalpinum P.Royen, Alp. Fl. New Guinea 2 (1979) 180, fig. 69
Type: Brass 9229 (holo L; iso AMES, BM, BO)
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Bulbophyllum equivestigium Gilli, Ann. Naturhist. Mus. Wien 84/B (1983) 16, fig. 2
Type: Gilli 566 (holo W)