Bulbophyllum bracteolatum Lindl. 1838 Bulbophyllum bractescens Rolfe ex Kerr 1927 Bulbophyllum brassii J.J.Verm. 1993 Bulbophyllum breimerianum J.J.Verm. & A.Vogel (2007) Bulbophyllum breve Schltr. 1913 Bulbophyllum brevibrachiatum (Schltr.) J.J.Sm. 1912 Bulbophyllum brevicolumna J.J.Verm. 1991 Bulbophyllum brevilabium Schltr. 1913 Bulbophyllum brevipedunculatum T.C.Hsu & S.W.Chung (2008) Bulbophyllum brevipes Ridl. 1898 Bulbophyllum brevipetalum H.Perrier 1937 Bulbophyllum brevispicatum Z.H.Tsi & S.C.Chen 1994 Bulbophyllum brienianum (Rolfe) Merr. 1921 Bulbophyllum bruneiense J.J.Verm. & A.L.Lamb (2008) Bulbophyllum bryoides Guillaumin 1957 Bulbophyllum bryophilum Hermans (2007) Bulbophyllum bryophytoides G.A.Fisch. & Andriant. (2009) Bulbophyllum bulhartii Sieder & Kiehn (2009). Bulbophyllum bulliferum J.J.Sm. 1908 Bulbophyllum burfordiense Garay, Hamer & Siegerist 1996: Burford Bulbophyllum Bulbophyllum burttii Summerh. 1953 C Bulbophyllum caecilii J.J.Sm. 1927 Bulbophyllum caecum J.J.Sm. 1926 Bulbophyllum caespitosum Thouars 1822 Bulbophyllum calceilabium J.J.Sm. 1929 Bulbophyllum calceolus J.J.Verm. 1991 Bulbophyllum caldericola G.F.Walsh 1993 Bulbophyllum calimanianum (2007) Bulbophyllum callichroma Schltr. 1913: Green-Calli Bulbophyllum Bulbophyllum calliferum J.J.Verm. & A.L.Lamb (2013) Bulbophyllum callipes J.J.Sm. 1908 Bulbophyllum callosum Bosser 1965: Callous Bulbophyllum Bulbophyllum caloglossum Schltr. 1913: Beautiful-lipped Bulbophyllum Bulbophyllum calviventer J.J.Verm. 1993 Bulbophyllum calvum Summerh. 1966 Bulbophyllum calyptogyne J.J.Verm. & P.O'Byrne (2011). Bulbophyllum calyptratum Kraenzl. 1895: Hooded Bulbophyllum Bulbophyllum calyptratum var. calyptratum Bulbophyllum calyptratum var. graminifolium (Summerh.) J.J.Verm. 1986 Bulbophyllum calyptratum var. lucifugum (Summerh.) J.J.Verm. 1987 Bulbophyllum calyptropus Schltr. 1924 Bulbophyllum cambodianum (Christenson) J.J.Verm., Schuit. & de Vogel (2014). Bulbophyllum cameronense Garay, Hamer & Siegerist 1996: Cameron Highlands Bulbophyllum Bulbophyllum campanuliflorum J.J.Verm., Schuit. & de Vogel (2014). Bulbophyllum campos-portoi Brade 1951 Bulbophyllum camptochilum J.J.Verm. 1996 Bulbophyllum candidum Hook.f. 1890 Bulbophyllum canlaonense Ames 1912 Bulbophyllum cantagallense (Barb.Rodr.) Cogn. in C.F.P.von Martius & auct. suc. (eds.) 1902 Bulbophyllum capilligerum J.J.Sm. 1927 Bulbophyllum capillipes C.S.P.Parish & Rchb.f. 1874 Bulbophyllum capitatum (Blume) Lindl. 1830 Bulbophyllum capituliflorum Rolfe 1906 Bulbophyllum capnophyton J.J.Verm., Schuit. & de Vogel (2014) Bulbophyllum capuronii Bosser 1971 Bulbophyllum caputgnomonis J.J.Verm. 1993 Bulbophyllum carassense R.C.Mota, F.Barros & Stehmann (2009) Bulbophyllum cardiobulbum Bosser 1965 Bulbophyllum cardiophyllum J.J.Verm. 1991 Bulbophyllum careyanum (Hook.) Spreng. 1826: Carey's Bulbophyllum Bulbophyllum cariniflorum Rchb.f. in W.G.Walpers 1861 Bulbophyllum carinilabium J.J.Verm. 1991 Bulbophyllum carnosilabium Summerh. (1953 publ. 1954). Bulbophyllum carnosisepalum J.J.Verm. 1986 Bulbophyllum carrianum J.J.Verm. 2000 Bulbophyllum cataractarum Schltr. 1924 Bulbophyllum catenarium Ridl. 1894: Chain-like Bulbophyllum Bulbophyllum catenulatum Kraenzl. 1921: Chain-shaped Bulbophyllum Bulbophyllum cateorum J.J.Verm. 1992 Bulbophyllum catillus J.J.Verm. & P.O'Byrne 2003 Bulbophyllum caudatisepalum Ames & C.Schweinf. in O.Ames 1920 Bulbophyllum caudatum Lindl. (1830). Bulbophyllum caudipetalum J.J.Sm. 1913 Bulbophyllum cauliflorum Hook.f. 1890 Bulbophyllum cauliflorum var. cauliflorum Bulbophyllum cauliflorum var. sikkimense N.Pearce & P.J.Cribb 2001 Bulbophyllum cavibulbum J.J.Sm.