List of Bulbophyllum species

Bulbophyllum Thouars 1822, is a large orchid genus that contains over 2000 epiphytic species from the orchid family Orchidaceae. The following is a list of Bulbophyllum species accepted by the World Checklist of Selected Plant Families as at January 2019:

A

 * Bulbophyllum abbreviatum Schltr. 1924
 * Bulbophyllum abbrevilabium Carr 1932
 * Bulbophyllum aberrans Schltr. 1911
 * Bulbophyllum ablepharon Schltr. 1923
 * Bulbophyllum absconditum J.J.Sm. 1905
 * Bulbophyllum absconditum subsp. absconditum
 * Bulbophyllum absconditum subsp. hastula J.J.Verm. 1993
 * Bulbophyllum acanthoglossum Schltr. 1913
 * Bulbophyllum acropogon Schltr. 1913
 * Bulbophyllum acuminatum (Ridl.) Ridl. 1907: Tapering-flower Bulbophyllum
 * Bulbophyllum acutibracteatum De Wild. 1921
 * Bulbophyllum acutibracteatum var. acutibracteatum
 * Bulbophyllum acutibracteatum var. rubrobrunneopapillosum (De Wild.) J.J.Verm. 1986
 * Bulbophyllum acutiflorum A.Rich. 1841
 * Bulbophyllum acutilingue J.J.Sm. 1908
 * Bulbophyllum acutilobum J.J.Verm. & P.O'Byrne 2008
 * Bulbophyllum acutispicatum H.Perrier 1951
 * Bulbophyllum adangense Seidenf. 1979
 * Bulbophyllum adelphidium J.J.Verm. 1993
 * Bulbophyllum adenoblepharon Schltr. 1913
 * Bulbophyllum adiamantinum Brade 1951
 * Bulbophyllum adjungens Seidenf. 1979
 * Bulbophyllum adolphii Schltr. 1921
 * Bulbophyllum aechmophorum J.J.Verm. 1993
 * Bulbophyllum aemulum Schltr. 1905
 * Bulbophyllum aeolium Ames (1913 publ. 1914)
 * Bulbophyllum aeolium subsp. aeolium
 * Bulbophyllum aeolium subsp. padasense
 * Bulbophyllum aestivale Ames 1915
 * Bulbophyllum affine Wall. ex Lindl. 1830: Similar Bulbophyllum
 * Bulbophyllum afzelii Schltr. 1918
 * Bulbophyllum afzelii var. afzelii
 * Bulbophyllum afzelii var. microdoron (Schltr.) Bosser 1965
 * Bulbophyllum agapethoides Schltr. 1911
 * Bulbophyllum agastor Garay, Hamer & Siegerist 1996: Flat Bulbophyllum
 * Bulbophyllum aggregatum Besser 1965: Crowded Bulbophyllum
 * Bulbophyllum aithorhachis J.J.Verm. 1996
 * Bulbophyllum alabastraceus P.Royen 1979
 * Bulbophyllum alagense Ames 1907: Alag River Bulbophyllum
 * Bulbophyllum alatum J.J.Verm. 1991
 * Bulbophyllum albibracteum Seidenf. 1979
 * Bulbophyllum albidostylidium Seidenf. 1995
 * Bulbophyllum albociliatum (Tang S.Liu & H.Y.Su) K.Nakaj. 1973
 * Bulbophyllum albociliatum var. albociliatum
 * Bulbophyllum albociliatum var. shanlinshiense T.P.Lin & Y.N.Chang (2013)
 * Bulbophyllum albociliatum var. weiminianum T.P.Lin & Y.N.Chang (2005)
 * Bulbophyllum alboroseum Ames 1922
 * Bulbophyllum alcicorne C.S.P.Parish & Rchb.f. 1874
 * Bulbophyllum alexandrae Schltr. 1925: Alexander's Bulbophyllum
 * Bulbophyllum algidum Ridl. 1916
 * Bulbophyllum alinae Szlach.(2001)
 * Bulbophyllum alkmaarense J.J.Sm. 1911
 * Bulbophyllum alleizettei Schltr. 1922
 * Bulbophyllum allenkerrii Seidenf. 1979: Allen Kerr's Bulbophyllum
 * Bulbophyllum alliifolium J.J.Sm. 1905
 * Bulbophyllum allotrion J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum alpinum (P.Royen) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum alsiosum Ames 1912
 * Bulbophyllum alticaule Ridl. 1916
 * Bulbophyllum alticola Schltr. 1912
 * Bulbophyllum alveatum J.J.Verm. 1993
 * Bulbophyllum amauroloma J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum amazonicum L.O.Williams 1939
 * Bulbophyllum ambatoavense Bosser 2004
 * Bulbophyllum amblyacron Schltr. 1913
 * Bulbophyllum amblyanthum Schltr. 1913
 * Bulbophyllum ambrense H.Perrier 1937
 * Bulbophyllum ambrosia (Hance) Schltr. 1919: Sweet-smelling Bulbophyllum
 * Bulbophyllum ambrosia subsp. ambrosia
 * Bulbophyllum ambrosia subsp. nepalensis J.J.Wood 1986
 * Bulbophyllum amoenum Bosser 1965
 * Bulbophyllum amorosoanum Naive, M.Leon & Cootes 2017
 * Bulbophyllum amphorimorphum H.Perrier 1951
 * Bulbophyllum amplebracteatum Teijsm. & Binn. 1862
 * Bulbophyllum amplebracteatum subsp. amplebracteatum
 * Bulbophyllum amplebracteatum subsp. carunculatum (Garay, Hamer & Siegerist) J.J.Verm. & P.O'Byrne (2011).
 * Bulbophyllum amplebracteatum subsp. orthoglossum (H.Wendl. & Kraenzl.) J.J.Verm. & P.O'Byrne (2011).
 * Bulbophyllum amplifolium (Rolfe) N.P.Balakr. & Sud.Chowdhury 1968
 * Bulbophyllum amplistigmaticum Kores 1989
 * Bulbophyllum anaclastum J.J.Verm. 1993
 * Bulbophyllum anakbaruppui J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum analamazoatrae Schltr. 1924
 * Bulbophyllum anascaputum Cootes, Cabactulan (2017)
 * Bulbophyllum anceps Rolfe 1892
 * Bulbophyllum andersonii (Hook.f.) J.J.Sm. 1912
 * Bulbophyllum andohahelense H.Perrier 1939
 * Bulbophyllum andreeae A.D.Hawkes 1956
 * Bulbophyllum anguliferum Ames & C.Schweinf. in O.Ames 1920: Angle-carrying Bulbophyllum
 * Bulbophyllum angusteovatum Seidenf. 1979
 * Bulbophyllum angustifolium (Blume) Lindl. 1830
 * Bulbophyllum angustipetalum (Seidenf.) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum anisopterum J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum anjae J.J.Verm. & de Vogel (2014)
 * Bulbophyllum anjozorobeense Bosser 2000
 * Bulbophyllum ankaizinense (Jum. & Perrier) Schltr. 1924: Ankaizine Bulbophyllum
 * Bulbophyllum ankaratranum Schltr. 1924
 * Bulbophyllum ankerae J.J.Verm. & P.O'Byrne (2011)
 * Bulbophyllum ankylochele J.J.Verm. 1993
 * Bulbophyllum ankylodon J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum ankylorhinon J.J.Verm. 1992
 * Bulbophyllum annamense (Garay) Sieder & Kiehn (2009)
 * Bulbophyllum annandalei Ridl. 1920
 * Bulbophyllum anodon J.J.Verm., Thavipoke & J.Phelps (2014)
 * Bulbophyllum antennatum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum antenniferum (Lindl.) Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum antheae (J.J.Verm. & A.L.Lamb) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum antioquiense Kraenzl. 1899
 * Bulbophyllum antongilense Schltr. 1924
 * Bulbophyllum apertum Schltr. 1906
 * Bulbophyllum apetalum Lindl. (1862)
 * Bulbophyllum aphanopetalum Schltr. 1906
 * Bulbophyllum apheles J.J.Verm. 1991
 * Bulbophyllum apiculatum Schltr. 1913
 * Bulbophyllum apiferum Carr 1930
 * Bulbophyllum apodum Hook.f. 1890: Bulbless Bulbophyllum
 * Bulbophyllum apoense Schuit. & de Vogel 2003
 * Bulbophyllum appendiculatum (Rolfe) J.J.Sm. 1912
 * Bulbophyllum appressicaule Ridl. 1917
 * Bulbophyllum appressum Schltr. 1913
 * Bulbophyllum approximatum Ridl. 1886
 * Bulbophyllum aquinoi (Cootes, M.Leon & Naive) J.M.H.Shaw (2017)
 * Bulbophyllum arachnites Ridl. (1909)
 * Bulbophyllum araiophyllum J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum arcaniflorum Ridl. 1916
 * Bulbophyllum arcuatilabium Aver. 1999
 * Bulbophyllum ardjunense J.J.Sm. 1927
 * Bulbophyllum arfakense J.J.Sm. in L.S.Gibbs 1917
 * Bulbophyllum arfakianum Kraenzl. 1904
 * Bulbophyllum argoxanthum J.J.Verm. (2008)
 * Bulbophyllum argyropus (Endl.) Rchb.f. 1876 – silver strand orchid
 * Bulbophyllum arianeae Fraga & E.C.Smidt 2004
 * Bulbophyllum aristatum (Rchb.f.) Hemsl. 1884
 * Bulbophyllum aristilabre J.J.Sm. 1912
 * Bulbophyllum aristopetalum Kores 1989
 * Bulbophyllum armeniacum J.J.Sm. 1917
 * Bulbophyllum arminii Sieder & Kiehn (2009)
 * Bulbophyllum arrectum Kraenzl. 1921
 * Bulbophyllum arsoanum J.J.Sm. 1912
 * Bulbophyllum artostigma J.J.Verm. 1993
 * Bulbophyllum artvogelii J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum arunachalense (A.N.Rao) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum aschemon J.J.Verm. & A.L.Lamb (2008)
 * Bulbophyllum ascochiloides J.J.Sm. 1927
 * Bulbophyllum ascochilum J.J.Verm. (2008)
 * Bulbophyllum asperilingue Schltr. 1919
 * Bulbophyllum aspersum J.J.Sm. 1912
 * Bulbophyllum astelidum Aver. 1994
 * Bulbophyllum atratum J.J.Sm. 1917
 * Bulbophyllum atrolabium Schltr. 1923
 * Bulbophyllum atropurpureum Barb.Rodr. 1877: Black-purple Bulbophyllum
 * Bulbophyllum atrorubens Schltr. 1906
 * Bulbophyllum atrosanguineum Aver. 2003
 * Bulbophyllum atroviride J.J.Verm. (2008)
 * Bulbophyllum attenuatum Rolfe 1896: Dagger-shaped Bulbophyllum
 * Bulbophyllum aubrevillei Bosser 1965
 * Bulbophyllum aundense Ormerod (2005)
 * Bulbophyllum auratum (Lindl.) Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum aureoapex Schltr. 1913
 * Bulbophyllum aureobrunneum Schltr. 1913
 * Bulbophyllum aureum (Hook.f.) J.J.Sm. 1912: Golden Bulbophyllum
 * Bulbophyllum auricomum Lindl. 1830
 * Bulbophyllum auriculatum J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum auriflorum H.Perrier 1937
 * Bulbophyllum auritum J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum auroreum J.J.Sm. 1928
 * Bulbophyllum australe (Seidenf.) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum averyanovii Seidenf. 1992
 * Bulbophyllum ayuthayense J.J.Verm., Schuit. & de Vogel (2014)

B

 * Bulbophyllum bacilliferum J.J.Sm. 1928
 * Bulbophyllum baculiferum Ridl. 1916
 * Bulbophyllum baileyi F.Muell. 1875 - fruit fly orchid
 * Bulbophyllum bakoense J.J.Verm. & A.L.Lamb (2008)
 * Bulbophyllum baladeanum J.J.Sm. 1912
 * Bulbophyllum balgooiji J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum ballii P.J.Cribb 1977
 * Bulbophyllum bandischii Garay 1992
 * Bulbophyllum bantaengense (J.J.Sm.) J.J.Verm. & P.O'Byrne (2011)
 * Bulbophyllum barbasapientis J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum barbatum Barb.Rodr. 1882
 * Bulbophyllum barbavagabundum J.J.Verm. (2008)
 * Bulbophyllum barbigerum Lindl. 1837: Bearded Bulbophyllum
 * Bulbophyllum bariense Gagnep. 1930: Bari Bulbophyllum
 * Bulbophyllum baronii Ridl. 1885
 * Bulbophyllum basisetum J.J.Sm. 1929
 * Bulbophyllum bathieanum Schltr. 1916
 * Bulbophyllum bavonis J.J.Verm. 1984
 * Bulbophyllum beccarii Rchb.f. 1879: Beccar's Bulbophyllum
 * Bulbophyllum belonaeglossum J.J.Verm. & A.L.Lamb (2008)
 * Bulbophyllum belopetalum J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum berenicis Rchb.f. 1880
 * Bulbophyllum bernadetteae J.-B.Castillon (2012)
 * Bulbophyllum betchei F.Muell. 1881
 * Bulbophyllum biantennatum Schltr. 1913
 * Bulbophyllum bicarinatum J.J.Verm. & A.L.Lamb (2013)
 * Bulbophyllum bicaudatum Schltr. 1913
 * Bulbophyllum bicolor Lindl. 1830
 * Bulbophyllum bicoloratum Schltr. 1924
 * Bulbophyllum bidentatum (Barb.Rodr.) Cogn. in C.F.P.von Martius & auct. suc. (eds.) 1902
 * Bulbophyllum bidenticulatum J.J.Verm. 1984
 * Bulbophyllum bidenticulatum subsp. bidenticulatum
 * Bulbophyllum bidenticulatum subsp. joyceae J.J.Verm. 1987
 * Bulbophyllum bidoupense Aver. & Duy (2015)
 * Bulbophyllum bifarium Lindl. 1864
 * Bulbophyllum biflorum Teijsm. & Binn. 1855: Two-flowered Bulbophyllum
 * Bulbophyllum bifurcatoflorens (Fukuy.) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum bigibbosum J.J.Sm. 1913
 * Bulbophyllum bigibbum Schltr. 1923
 * Bulbophyllum bilobipetalum J.J.Sm. (1927)
 * Bulbophyllum birmense Schltr. 1910
 * Bulbophyllum bisepalum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum biseriale Carr 1930
 * Bulbophyllum biserratum J.J.Verm. (2008)
 * Bulbophyllum bisetoides Seidenf. 1970
 * Bulbophyllum bisetum Lindl. 1842
 * Bulbophyllum bismarckense Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum bittnerianum Schltr. 1910
 * Bulbophyllum blaoense Tich & Diep ex Aver. & Tich (2015)
 * Bulbophyllum blepharistes Rchb.f. 1872: Fringed Bulbophyllum
 * Bulbophyllum blepharocardium Schltr. (1913)
 * Bulbophyllum blepharochilum Garay 1999: Lip-fringe Bulbophyllum
 * Bulbophyllum blepharopetalum Schltr. 1913
 * Bulbophyllum bliteum J.J.Verm. 1993
 * Bulbophyllum bohnkeanum Campacci (2008)
 * Bulbophyllum boiteaui H.Perrier 1939
 * Bulbophyllum bolivianum Schltr. 1922
 * Bulbophyllum bolsteri Ames 1912
 * Bulbophyllum bombycinum J.J.Verm. (2008)
 * Bulbophyllum bomiense Z.H.Tsi 1978
 * Bulbophyllum bonaccordense (C.S.Kumar) J.J.Verm. (2014)
 * Bulbophyllum boninense (Schltr.) J.J.Sm. 1912
 * Bulbophyllum bontocense Ames 1912
 * Bulbophyllum boonjee B.Gray & D.L.Jones 1984 – maroon strand orchid
 * Bulbophyllum boosii J.J.Verm. & Kindler (2015)
 * Bulbophyllum bootanense C.S.P.Parish & Rchb.f. 1874
 * Bulbophyllum botryophorum Ridl. 1897
 * Bulbophyllum boudetianum Fraga 2004
 * Bulbophyllum boulbetii Tixier 1966
 * Bulbophyllum bowkettiae F.M.Bailey 1884 – striped snake orchid
 * Bulbophyllum brachiatum (Schltr.) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum brachychilum Schltr. 1913
 * Bulbophyllum brachypetalum Schltr. 1913
 * Bulbophyllum brachyphyton Schltr. 1918
 * Bulbophyllum brachypus (Schltr.) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum brachyrhopalon J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum brachystachyum Schltr. 1924
 * Bulbophyllum brachytriche J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum bracteatum F.M.Bailey 1891 – blotched pineapple orchid
 * 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. 1929
 * Bulbophyllum cavipes J.J.Verm. 1996
 * Bulbophyllum centrosemiflorum J.J.Sm. 1912
 * Bulbophyllum cephalophorum Garay, Hamer & Siegerist 1996: Spherical-inflorescence Bulbophyllum
 * Bulbophyllum cerambyx J.J.Sm. 1915
 * Bulbophyllum ceratostylis J.J.Sm. 1904
 * Bulbophyllum cercanthum (Garay, Hamer & Siegerist) J.M.H.Shaw (2009).
 * Bulbophyllum cerebellum J.J.Verm. 1996
 * Bulbophyllum cerinum Schltr. 1913
 * Bulbophyllum ceriodorum Boiteau 1942
 * Bulbophyllum cernuum (Blume) Lindl. 1830: Nodding Bulbophyllum
 * Bulbophyllum chaetostroma Schltr. 1913
 * Bulbophyllum chalcochloron J.J.Verm. (2008).
 * Bulbophyllum chanii J.J.Verm. & A.L.Lamb 1991
 * Bulbophyllum chaunobulbon Schltr. 1913
 * Bulbophyllum cheiri Lindl. 1844
 * Bulbophyllum cheiri subsp. cheiri
 * Bulbophyllum cheiri subsp. subuliferum (Schltr.) J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum cheiropetalum Ridl. 1926
 * Bulbophyllum × chikukwa Fibeck & Mavi (2000 publ. 2001).
 * Bulbophyllum chimaera Schltr. 1913: Chimarea Bulbophyllum
 * Bulbophyllum chinense (Lindl.) Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum chloranthum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905: Green-blooming Bulbophyllum
 * Bulbophyllum chlorascens J.J.Sm. 1927
 * Bulbophyllum chloroglossum Rchb.f. 1871
 * Bulbophyllum chlorolirion J.J.Verm. (2008)
 * Bulbophyllum chloropterum Rchb.f. 1850
 * Bulbophyllum chlororhopalon Schltr. 1913
 * Bulbophyllum chondriophorum (Gagnep.) Seidenf. (1973 publ. 1974)
 * Bulbophyllum chrysanthum J.J.Verm. (2008)
 * Bulbophyllum chrysendetum Ames 1915
 * Bulbophyllum chrysocephalum Schltr. 1911
 * Bulbophyllum chrysochilum Schltr. 1912
 * Bulbophyllum chrysoglossum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum chrysotes Schltr. 1913
 * Bulbophyllum chthonochroma J.J.Verm. & Sieder (2015)
 * Bulbophyllum ciliatilabrum H.Perrier 1937
 * Bulbophyllum ciliatum (Blume) Lindl. 1830
 * Bulbophyllum ciliipetalum Schltr. 1913
 * Bulbophyllum ciliolatum Schltr. 1913
 * Bulbophyllum ciluliae Bianch. & J.A.N.Bat. (2004)
 * Bulbophyllum cimicinum J.J.Verm. 1982
 * Bulbophyllum × cipoense Borba & Semir 1998
 * Bulbophyllum cirrhoglossum H.Perrier 1951
 * Bulbophyllum cirrhosum L.O.Williams 1940
 * Bulbophyllum citrellum Ridl. 1916
 * Bulbophyllum citricolor J.J.Sm. 1932
 * Bulbophyllum citrinilabre J.J.Sm. 1913
 * Bulbophyllum clandestinum Lindl. 1841: Close-sitting Bulbophyllum
 * Bulbophyllum claptonense (Rolfe) Rolfe (1905)
 * Bulbophyllum claussenii Rchb.f. 1846
 * Bulbophyllum clavatum Thouars 1822
 * Bulbophyllum clavuliflorum J.J.Verm. & A.L.Lamb (2008)
 * Bulbophyllum cleistogamum Ridl. 1896: Self-fertilizing Bulbophyllum
 * Bulbophyllum clemensiae Ames 1912
 * Bulbophyllum clemensiorum J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum clinocoryphe J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum clinopus J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum clipeibulbum J.J.Verm. 2001
 * Bulbophyllum coccinatum H.Perrier 1938
 * Bulbophyllum cochleatum Lindl. 1862
 * Bulbophyllum cochleatum var. bequaertii (De Wild.) J.J.Verm. 1986
 * Bulbophyllum cochleatum var. brachyanthum (Summerh.) J.J.Verm. 1986
 * Bulbophyllum cochleatum var. cochleatum: Mann's Bulbophyllum
 * Bulbophyllum cochleatum var. tenuicaule (Lindl.) J.J.Verm. 1986
 * Bulbophyllum cochlia Garay, Hamer & Siegerist 1994
 * Bulbophyllum cochlioides J.J.Sm. 1929
 * Bulbophyllum cocoinum Bateman ex Lindl. 1837: Coconut Bulbophyllum
 * Bulbophyllum codonanthum Schltr. 1911
 * Bulbophyllum coelochilum J.J.Verm. 1991
 * Bulbophyllum cogniauxianum (Kraenzl.) J.J.Sm. 1912
 * Bulbophyllum coiloglossum Schltr. in K.M.Schumann & C.A.G.Lauterbach (1905)
 * Bulbophyllum collettii King & Pantl. 1897
 * Bulbophyllum colliferum J.J.Sm. 1911
 * Bulbophyllum collinum Schltr. 1913
 * Bulbophyllum coloratum J.J.Sm. 1910
 * Bulbophyllum colubrimodum Ames1923
 * Bulbophyllum colubrinum (Rchb.f.) Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum comatum Lindl. 1862
 * Bulbophyllum comatum var. comatum
 * Bulbophyllum comatum var. inflatum (Rolfe) J.J.Verm. 1986
 * Bulbophyllum comberi J.J.Verm. in J.B.Comber 1990: Comber's Bulbophyllum
 * Bulbophyllum comberipictum J.J.Verm. 2002
 * Bulbophyllum cominsii Rolfe (1895)
 * Bulbophyllum commersonii Thouars 1822
 * Bulbophyllum commissibulbum J.J.Sm. 1929
 * Bulbophyllum comorianum H.Perrier 1938: Comoros Islands Bulbophyllum
 * Bulbophyllum comosum Collett & Hemsl. 1890
 * Bulbophyllum complanatum H.Perrier 1937
 * Bulbophyllum compressilabellatum P.Royen 1979
 * Bulbophyllum compressum Teijsm. & Binn. 1862
 * Bulbophyllum comptonii Rendle 1921
 * Bulbophyllum concatenatum P.J.Cribb & P.Taylor 1980
 * Bulbophyllum concavibasalis P.Royen 1979
 * Bulbophyllum concavilabium P.O'Byrne & P.T.Ong (2014)
 * Bulbophyllum conchidioides Ridl. 1886
 * Bulbophyllum conchophyllum J.J.Sm. 1912
 * Bulbophyllum concinnum Hook.f. 1890
 * Bulbophyllum concolor J.J.Sm. 1914
 * Bulbophyllum condensatum J.J.Verm. (2008)
 * Bulbophyllum condylochilum J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum confragosum T.P.Lin & Y.N.Chang (2013)
 * Bulbophyllum congestiflorum Ridl. 1917
 * Bulbophyllum coniferum Ridl. 1909
 * Bulbophyllum connatum Carr 1933
 * Bulbophyllum consimile J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum conspectum J.J.Sm. (1927)
 * Bulbophyllum conspersum J.J.Sm. 1913
 * Bulbophyllum contortisepalum J.J.Sm. 1912
 * Bulbophyllum cootesii M.A.Clem. (1999-2000 publ. 1999): Cootes' Bulbophyllum
 * Bulbophyllum corallinum Tixier & Guillaumin 1963
 * Bulbophyllum cordemoyi Frapp. ex Cordem. 1895
 * Bulbophyllum coriophorum Ridl. 1886: Bug-smelling Bulbophyllum
 * Bulbophyllum cornu-cervi King 1895
 * Bulbophyllum cornu-ovis Rysy (2011)
 * Bulbophyllum cornutum (Blume) Rchb.f. in W.G.Walpers 1861: Horned Bulbophyllum
 * Bulbophyllum corolliferum J.J.Sm. 1917
 * Bulbophyllum corrugatum J.J.Verm. (2008)
 * Bulbophyllum corticicola Schltr. (1910)
 * Bulbophyllum corythium N.Hall 1981
 * Bulbophyllum coweniorum J.J.Verm. & P.O'Byrne 2003: Cowen's Bulbophyllum
 * Bulbophyllum crabro (C.S.P.Parish & Rchb.f.) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum crassicaudatum Ames & C.Schweinf. in O.Ames (1920)
 * Bulbophyllum crassifolium Thwaites ex Trimen 1885: Thick-leafed Bulbophyllum
 * Bulbophyllum crassinervium J.J.Sm. 1900
 * Bulbophyllum crassipes Hook.f. 1890: Thick-spurred Bulbophyllum
 * Bulbophyllum crassipetalum H.Perrier 1937
 * Bulbophyllum crenilabium W.Kittr. (1984 publ. 1985).
 * Bulbophyllum crepidiferum J.J.Sm. 1920
 * Bulbophyllum croceodon J.J.Verm. & P.O'Byrne (2008).
 * Bulbophyllum croceum (Blume) Lindl. 1830: Saffron-yellow Bulbophyllum
 * Bulbophyllum crocodilus J.J.Sm. 1912
 * Bulbophyllum cruciatum J.J.Sm. 1911
 * Bulbophyllum cruciferum J.J.Sm. 1917
 * Bulbophyllum cruentum Garay, Hamer & Siegerist 1992: Blood-red Bulbophyllum
 * Bulbophyllum cruttwellii J.J.Verm. 1993
 * Bulbophyllum cryptanthoides J.J.Sm. 1912
 * Bulbophyllum cryptanthum Cogn. 1899
 * Bulbophyllum cryptophoranthus Garay 1999
 * Bulbophyllum cryptostachyum Schltr. 1924
 * Bulbophyllum cubicum Ames 1922
 * Bulbophyllum culex Ridl. 1916
 * Bulbophyllum cumberlegei (Seidenf.) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum cumingii (Lindl.) Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum cuneatum Rolfe ex Ames 1905
 * Bulbophyllum cuniculiforme J.J.Sm. 1911
 * Bulbophyllum cupreum Lindl. 1838: Copper-colored Bulbophyllum
 * Bulbophyllum curranii Ames 1912
 * Bulbophyllum curvibulbum Frapp. ex Cordem. 1895
 * Bulbophyllum curvicaule Schltr. 1913
 * Bulbophyllum curvifolium Schltr. 1916
 * Bulbophyllum curvimentatum J.J.Verm. 1984
 * Bulbophyllum cuspidipetalum J.J.Sm. 1908: Lanceolate-leafed Bulbophyllum
 * Bulbophyllum cyanotriche J.J.Verm. 1996
 * Bulbophyllum cyatheicola (P.Royen) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum cyclanthum Schltr. 1916
 * Bulbophyllum cycloglossum Schltr. 1913
 * Bulbophyllum cyclopense J.J.Sm. 1912
 * Bulbophyllum cyclophoroides J.J.Sm. 1928
 * Bulbophyllum cyclophyllum Schltr. 1913
 * Bulbophyllum cylindraceum Wall. ex Lindl. 1830: Cylindrical Bulbophyllum
 * Bulbophyllum cylindricum King 1895
 * Bulbophyllum cylindrobulbum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum cylindrocarpum Frapp. ex Cordem. 1895
 * Bulbophyllum cylindrocarpum var. andringitrense Bosser 2000
 * Bulbophyllum cylindrocarpum var. aurantiacum Frapp. ex Cordem. 1895
 * Bulbophyllum cylindrocarpum var. cylindrocarpum
 * Bulbophyllum cylindrocarpum var. olivaceum Frapp. ex Cordem. 1895
 * Bulbophyllum cymbidioides J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum cymbochilum J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum cyrtognomom J.J.Verm. & A.L.Lamb (2008)
 * Bulbophyllum cyrtophyllum J.J.Verm. (2008)

D

 * Bulbophyllum dacruzii Campacci (2010)
 * Bulbophyllum dalatense Gagnep. 1930
 * Bulbophyllum danii Perez-Vera 2003
 * Bulbophyllum dasypetalum Rolfe ex Ames 1905
 * Bulbophyllum dasystachys J.J.Verm. (2014)
 * Bulbophyllum davidii (Cootes & Boos) J.M.H.Shaw (2017)
 * Bulbophyllum dawongense J.J.Sm. 1934
 * Bulbophyllum dayanum Rchb.f. 1865: Day's Bulbophyllum
 * Bulbophyllum dearei (Rchb.f.) Rchb.f. 1888: Deare's Bulbophyllum
 * Bulbophyllum debile Bosser (1989 publ. 1990).
 * Bulbophyllum debrincatiae J.J.Verm. 2002
 * Bulbophyllum debruynii J.J.Sm. 1929
 * Bulbophyllum decarhopalon Schltr. 1913
 * Bulbophyllum decaryanum H.Perrier 1937: Decary's Bulbophyllum
 * Bulbophyllum decatriche J.J.Verm. 1991
 * Bulbophyllum decumbens Schltr. 1913
 * Bulbophyllum decurrentilobum J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum decurviscapum J.J.Sm. 1932: Pendant Bulbophyllum
 * Bulbophyllum decurvulum Schltr. 1912
 * Bulbophyllum dekockii J.J.Sm. 1911
 * Bulbophyllum delicatulum Schltr. 1911
 * Bulbophyllum delitescens Hance 1876
 * Bulbophyllum deltoideum Ames & C.Schweinf. in O.Ames 1920
 * Bulbophyllum deminutum J.J.Sm. 1927
 * Bulbophyllum dempoense J.J.Sm. 1920
 * Bulbophyllum dendrobioides J.J.Sm. 1913
 * Bulbophyllum dendrochiloides Schltr. 1913
 * Bulbophyllum dennisii J.J.Wood 1983: Dennis' Bulbophyllum
 * Bulbophyllum densibulbum W.Kittr. (1984 publ. [1985).
 * Bulbophyllum densifolium Schltr. 1913
 * Bulbophyllum densum Thouars 1822
 * Bulbophyllum denticulatum Rolfe 1891
 * Bulbophyllum dependens Schltr. 1913
 * Bulbophyllum depressum King & Pantl. 1897
 * Bulbophyllum desmotrichoides Schltr. 1913
 * Bulbophyllum deuterodischorense J.M.H.Shaw (2014)
 * Bulbophyllum deviantiae J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum devium J.B.Comber 1990
 * Bulbophyllum devogelii J.J.Verm. 1991
 * Bulbophyllum dewildei J.J.Verm. 1996
 * Bulbophyllum dhaninivatii Seidenf. 1965
 * Bulbophyllum dianthum Schltr. 1911
 * Bulbophyllum dibothron J.J.Verm. & A.L.Lamb 1994
 * Bulbophyllum dichaeoides Schltr. 1913
 * Bulbophyllum dichilus Schltr. 1913
 * Bulbophyllum dichotomum J.J.Sm. 1908
 * Bulbophyllum dichromum Rolfe (1907)
 * Bulbophyllum dickasonii Seidenf. 1979
 * Bulbophyllum dictyoneuron Schltr. 1913
 * Bulbophyllum didymotropis Seidenf. 1979
 * Bulbophyllum digitatum J.J.Sm. (1911)
 * Bulbophyllum digoelense J.J.Sm. 1911
 * Bulbophyllum dijkstalianum (2010)
 * Bulbophyllum diplantherum Carr 1932
 * Bulbophyllum diplohelix J.J.Verm. & Rysy (2014)
 * Bulbophyllum dischidiifolium J.J.Sm. 1909
 * Bulbophyllum dischorense Schltr. 1913
 * Bulbophyllum disciflorum Rolfe (1895)
 * Bulbophyllum discilabium H.Perrier 1951
 * Bulbophyllum discolor Schltr. 1913
 * Bulbophyllum discolor subsp. cubitale J.J.Verm. 1993
 * Bulbophyllum discolor subsp. discolor
 * Bulbophyllum disjunctum Ames & C.Schweinf. in O.Ames 1920
 * Bulbophyllum dissitiflorum Seidenf. 1979
 * Bulbophyllum dissolutum Ames, Philipp. J. Sci., C 8: 4249 (1913 publ. 1914).
 * Bulbophyllum distichobulbum P.J.Cribb 1995
 * Bulbophyllum distichum Schltr. 1913
 * Bulbophyllum divaricatum H.Perrier 1937
 * Bulbophyllum divergens J.J.Verm. & P.O'Byrne (2011).
 * Bulbophyllum djamuense Schltr. 1913
 * Bulbophyllum dolabriforme J.J.Verm. 1987
 * Bulbophyllum dolichodon J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum dolichoglottis Schltr. 1912
 * Bulbophyllum dolichopus J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum doryphoroide Ames 1915
 * Bulbophyllum dracunculus J.J.Verm. 2000
 * Bulbophyllum dransfieldii J.J.Verm. 1991
 * Bulbophyllum drepananthum J.J.Verm., de Vogel & A.Vogel (2010).
 * Bulbophyllum drepanosepalum J.J.Verm. & P.O'Byrne 1993
 * Bulbophyllum dryadum Schltr. 1913
 * Bulbophyllum dryas Ridl. 1915
 * Bulbophyllum drymoda J.J.Verm., Schuit. & de Vogel (2014).
 * Bulbophyllum drymoglossum Maxim. 1887
 * Bulbophyllum dschischungarense Schltr. 1913
 * Bulbophyllum dulongjiangense X.H.Jin (2006).
 * Bulbophyllum dunstervillei Garay 1976
 * Bulbophyllum dusenii Kraenzl. 1911

E

 * Bulbophyllum ebracteolatum Kraenzl. 1916
 * Bulbophyllum echinochilum Kraenzl. 1921
 * Bulbophyllum echinolabium J.J.Sm. 1934
 * Bulbophyllum echinulus Seidenf. 1982:
 * Bulbophyllum eciliatum Schltr. 1913
 * Bulbophyllum ecornutoides Cootes & W.Suarez (2006)
 * Bulbophyllum ecornutum (J.J.Sm.) J.J.Sm. 1914
 * Bulbophyllum ecornutum subsp. ecornutum
 * Bulbophyllum ecornutum subsp. verrucatum J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum ecristatum J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum edentatum H.Perrier 1937
 * Bulbophyllum efferatum J.J.Verm. & P.O'Byrne (2011)
 * Bulbophyllum elachanthe J.J.Verm. 1991
 * Bulbophyllum elaphoglossum Schltr. 1911
 * Bulbophyllum elasmatopus Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum elassoglossum Siegerist 1991
 * Bulbophyllum elassonotum Summerh. 1935: minuscule nodes bulbophyllum
 * Bulbophyllum elatum (Hook.f.) J.J.Sm. 1912
 * Bulbophyllum elegans Gardner ex Thwaites 1861
 * Bulbophyllum elegantius Schltr. 1913
 * Bulbophyllum elegantulum (Rolfe) J.J.Sm. 1912
 * Bulbophyllum eleiosurum J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum elephantinum J.J.Sm. 1913
 * Bulbophyllum elevatopunctatum J.J.Sm. 1920: raised dot bulbophyllum
 * Bulbophyllum elisae (F.Muell.) Benth. 1871 – pineapple orchid
 * Bulbophyllum elliae Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum elliottii Rolfe 1891
 * Bulbophyllum ellipticifolium J.J.Sm. 1935
 * Bulbophyllum ellipticum Schltr. 1913
 * Bulbophyllum elmeri Ames 1912
 * Bulbophyllum elodeiflorum J.J.Sm. 1912
 * Bulbophyllum elongatum (Blume) Hassk. 1844
 * Bulbophyllum emarginatum (Finet) J.J.Sm. 1912
 * Bulbophyllum emunitum J.J.Verm. & A.L.Lamb (2008)
 * Bulbophyllum encephalodes Summerh. 1951
 * Bulbophyllum endotrachys Schltr. 1913
 * Bulbophyllum entobaptum J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum entomonopsis J.J.Verm. & P.O'Byrne 1993
 * Bulbophyllum epapillosum Schltr. 1913
 * Bulbophyllum epibulbon Schltr. 1913
 * Bulbophyllum epicranthes Hook.f. 1890
 * Bulbophyllum epicranthes var. epicranthes
 * Bulbophyllum epicranthes var. sumatranum (J.J.Sm.) J.J.Verm. 1982
 * Bulbophyllum epiphytum Barb.Rodr. 1877
 * Bulbophyllum erectum Thouars 1822
 * Bulbophyllum ericssonii Kraenzl. (1893)
 * Bulbophyllum erinaceum Schltr. 1913
 * Bulbophyllum erioides Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum erosimarginatum Cootes, W.Suarez & Boos (2011)
 * Bulbophyllum erosipetalum C.Schweinf. 1951
 * Bulbophyllum erratum Ames 1922
 * Bulbophyllum erythroglossum Bosser 2000
 * Bulbophyllum erythrokyle J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum erythrosema J.J.Verm. (2008)
 * Bulbophyllum erythrostachyum Rolfe 1903
 * Bulbophyllum erythrostictum Ormerod (2005)
 * Bulbophyllum escritorii Ames 1915
 * Bulbophyllum eublepharum Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum eutoreton J.J.Verm. (2008)
 * Bulbophyllum evansii M.R.Hend. 1927: Evans' Bulbophyllum
 * Bulbophyllum evasum T.E.Hunt & Rupp 1950 – creeping brittle orchid
 * Bulbophyllum evrardii Gagnep. 1930: Evrard's Bulbophyllum
 * Bulbophyllum exaltatum Lindl. 1842
 * Bulbophyllum exasperatum Schltr. 1913
 * Bulbophyllum exiguiflorum Schltr. 1913
 * Bulbophyllum exiguum F.Muell. 1860 – tiny strand orchid
 * Bulbophyllum exile Ames 1908
 * Bulbophyllum exilipes Schltr. 1913
 * Bulbophyllum expallidum J.J.Verm. 1984
 * Bulbophyllum exquisitum Ames 1923

F

 * Bulbophyllum facetum Garay, Hamer & Siegerist 1996
 * Bulbophyllum falcatocaudatum J.J.Sm. 1914
 * Bulbophyllum falcatum (Lindl.) Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum falcatum var. bufo (Lindl.) Govaerts 1996
 * Bulbophyllum falcatum var. falcatum
 * Bulbophyllum falcatum var. velutinum (Lindl.) J.J.Verm. 1992
 * Bulbophyllum falcibracteum Schltr. 1923
 * Bulbophyllum falciferum J.J.Sm. 1910
 * Bulbophyllum falcifolium Schltr. 1913
 * Bulbophyllum falcipetalum Lindl. 1862
 * Bulbophyllum falculicorne J.J.Sm. 1945
 * Bulbophyllum fallacinum J.J.Verm. (2008)
 * Bulbophyllum fallax Rolfe 1889
 * Bulbophyllum farinulentum J.J.Sm. 1920
 * Bulbophyllum farinulentum subsp. densissimum (Carr) J.J.Verm. 2002
 * Bulbophyllum farinulentum subsp. farinulentum
 * Bulbophyllum farreri (W.W.Sm.) Seidenf. (1973 publ. 1974).
 * Bulbophyllum fasciatum Schltr. 1912
 * Bulbophyllum fasciculatum Schltr. 1913
 * Bulbophyllum fasciculiferum Schltr. 1923
 * Bulbophyllum fascinator (Rolfe) Rolfe 1908
 * Bulbophyllum fayi J.J.Verm. 1992
 * Bulbophyllum fendlerianum E.C.Smidt & P.J.Cribb (2008)
 * Bulbophyllum fenestratum J.J.Sm. (1907)
 * Bulbophyllum fengianum (Ormerod) J.J.Verm. (2014)
 * Bulbophyllum fenixii Ames, Philipp. J. Sci., C 8: 430 (1913 publ. 1914).
 * Bulbophyllum ferkoanum Schltr. 1918
 * Bulbophyllum fibratum (Gagnep.) T.B.Nguyen & D.H.Duong in T.B.Nguyen (ed.) 1984
 * Bulbophyllum fibrinum J.J.Sm. 1913
 * Bulbophyllum fibristectum J.J.Verm. (2008)
 * Bulbophyllum filamentosum Schltr. 1913
 * Bulbophyllum filicaule J.J.Sm. 1913
 * Bulbophyllum filifolium Borba & E.C.Smidt 2004
 * Bulbophyllum filovagans Carr 1933
 * Bulbophyllum fimbriatum (Lindl.) Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum fimbriperianthium W.M.Lin, Kuo Huang & T.P.Lin (2006)
 * Bulbophyllum finisterrae Schltr. 1913
 * Bulbophyllum fionae J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum fischeri Seidenf. (1973 publ. 1974): Fischer's Bulbophyllum
 * Bulbophyllum fissibrachium J.J.Sm. 1927
 * Bulbophyllum fissipetalum Schltr. 1913
 * Bulbophyllum flabellum-veneris (J.König) Aver. 2003
 * Bulbophyllum flagellare Schltr. 1913
 * Bulbophyllum flammuliferum Ridl. 1898: Flame-carrying Bulbophyllum
 * Bulbophyllum flavescens (Blume) Lindl. 1830
 * Bulbophyllum flavicolor J.J.Sm. 1929
 * Bulbophyllum flavidiflorum Carr 1933
 * Bulbophyllum flaviflorum (Tang, S.Liu & H.Y.Su) Seidenf. (1972 publ. 1973).
 * Bulbophyllum flavofimbriatum J.J.Sm. 1931
 * Bulbophyllum flavum Schltr. 1913
 * Bulbophyllum fletcherianum Rolfe 1911: Fletcher's Bulbophyllum, Spies' Bulbophyllum
 * Bulbophyllum flexuosum Schltr. 1913
 * Bulbophyllum floribundum J.J.Sm. 1912
 * Bulbophyllum florulentum Schltr. 1924
 * Bulbophyllum foetidilabrum Ormerod 2001
 * Bulbophyllum foetidum Schltr. 1913
 * Bulbophyllum foetidum var. foetidum
 * Bulbophyllum foetidum var. grandiflorum J.J.Sm. 1929
 * Bulbophyllum folliculiferum J.J.Sm. 1914
 * Bulbophyllum fonsflorum J.J.Verm. 1990
 * Bulbophyllum foraminiferum J.J.Verm. 1996
 * Bulbophyllum fordii (Rolfe) J.J.Sm. 1912
 * Bulbophyllum forrestii Seidenf. (1973 publ. 1974).
 * Bulbophyllum forsythianum Kraenzl. 1899
 * Bulbophyllum fossatum J.J.Verm. & P.O'Byrne (2011)
 * Bulbophyllum fractiflexum J.J.Sm. 1908
 * Bulbophyllum fractiflexum subsp. fractiflexum
 * Bulbophyllum fractiflexum subsp. solomonense J.J.Verm. & B.A.Lewis 1991
 * Bulbophyllum fragosum J.J.Verm. & A.L.Lamb (2013)
 * Bulbophyllum francoisii H.Perrier 1937
 * Bulbophyllum francoisii var. andrangense (H.Perrier) Bosser 1965
 * Bulbophyllum francoisii var. francoisii
 * Bulbophyllum fraternum J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum freyi V.P.Castro & Speckm. (2012)
 * Bulbophyllum fritillariiflorum J.J.Sm. 1912: Fritillaria-like Bulbophyllum
 * Bulbophyllum frostii Summerh. 1928
 * Bulbophyllum frustrans J.J.Sm. 1911
 * Bulbophyllum fruticicola Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum fruticulum J.J.Verm. (2008)
 * Bulbophyllum fukuyamae Tuyama 1941
 * Bulbophyllum fulgens J.J.Verm. 1996
 * Bulbophyllum fulvibulbum J.J.Verm. 1991
 * Bulbophyllum funingense Z.H.Tsi & H.C.Chen 1981
 * Bulbophyllum furcatum Aver. 2003
 * Bulbophyllum furcillatum J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum fuscatum Schltr. 1913
 * Bulbophyllum fusciflorum Schltr. 1913
 * Bulbophyllum fuscopurpureum Wight 1851
 * Bulbophyllum fuscum Lindl. 1839
 * Bulbophyllum fuscum var. fuscum
 * Bulbophyllum fuscum var. melinostachyum (Schltr.) J.J.Verm. 1986
 * Bulbophyllum futile J.J.Sm. 1908

G

 * Bulbophyllum gadgarrense Rupp 1949 – tangled rope orchid
 * Bulbophyllum gajoense J.J.Sm. 1943
 * Bulbophyllum galactanthum Schltr. 1921
 * Bulbophyllum galliaheneum P.Royen 1979
 * Bulbophyllum gamandrum J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum gamblei (Hook.f.) Hook.f. 1890: Gamble's Bulbophyllum
 * Bulbophyllum gautierense J.J.Sm. 1912
 * Bulbophyllum gehrtii E.C.Smidt & Borba (2009)
 * Bulbophyllum gemma-reginae J.J.Verm. 1996
 * Bulbophyllum geniculiferum J.J.Sm. 1912
 * Bulbophyllum geraense Rchb.f. in W.G.Walpers 1864
 * Bulbophyllum gerlandianum Kraenzl. 1886
 * Bulbophyllum gibbolabium Seidenf. 1979: Hump-lipped Bulbophyllum
 * Bulbophyllum gibbosum (Blume) Lindl. 1830: Humped Bulbophyllum
 * Bulbophyllum gilgianum Kraenzl. 1899
 * Bulbophyllum gilvum J.J.Verm. & A.L.Lamb 1994
 * Bulbophyllum gimagaanense Ames 1912
 * Bulbophyllum giriwoense J.J.Sm. 1914
 * Bulbophyllum gjellerupii J.J.Sm. 1929
 * Bulbophyllum glabrichelia Aver. (2017)
 * Bulbophyllum glabrum Schltr. 1913
 * Bulbophyllum gladiatum Lindl. 1842
 * Bulbophyllum glanduliferum Schltr. 1913
 * Bulbophyllum glandulosum Ames 1923
 * Bulbophyllum glaucifolium J.J.Verm. 1991
 * Bulbophyllum glaucum Schltr. 1913
 * Bulbophyllum glebodactylum (W.Suarez & Cootes) Sieder & Kiehn (2010 publ. 2011)
 * Bulbophyllum glebulosum J.J.Verm. & Cootes (2008)
 * Bulbophyllum globiceps Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum globuliforme Nicholls 1938
 * Bulbophyllum globulosum (Ridl.) Schuit. & de Vogel 2003
 * Bulbophyllum globulus Hook.f. 1890
 * Bulbophyllum glutinosum (Barb.Rodr.) Cogn. in C.F.P.von Martius 1902
 * Bulbophyllum gnomoniferum Ames 1908
 * Bulbophyllum gobiense Schltr. 1912
 * Bulbophyllum gofferjei J.J.Verm. & A.L.Lamb (2013)
 * Bulbophyllum goliathense J.J.Sm. 1911
 * Bulbophyllum gomphreniflorum J.J.Sm. 1918
 * Bulbophyllum gongshanense Z.H.Tsi 1981
 * Bulbophyllum goniopterum J.J.Verm., P.O'Byrne & A.L.Lamb, (2015)
 * Bulbophyllum gracile Thouars 1822
 * Bulbophyllum gracilipes King & Pantl. 1896
 * Bulbophyllum graciliscapum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum gracillimum (Rolfe) Rolfe 1907 – wispy umbrella orchid
 * Bulbophyllum gramineum Ridl. 1916
 * Bulbophyllum grammopoma J.J.Verm. 1991
 * Bulbophyllum grandiflorum Blume 1849
 * Bulbophyllum grandifolium Schltr. 1913
 * Bulbophyllum grandilabre Carr 1932
 * Bulbophyllum grandimesense B.Gray & D.L.Jones 1989 – pale rope orchid
 * Bulbophyllum granulosum Barb.Rodr. 1877
 * Bulbophyllum graveolens (F.M.Bailey) J.J.Sm. 1912
 * Bulbophyllum gravidum Lindl. 1862
 * Bulbophyllum griffithii (Lindl.) Rchb.f. in W.G.Walpers 1861: Griffith's Bulbophyllum
 * Bulbophyllum groeneveldtii J.J.Sm. 1920
 * Bulbophyllum grotianum J.J.Verm. 2002
 * Bulbophyllum grudense J.J.Sm. 1905
 * Bulbophyllum guamense Ames 1914
 * Bulbophyllum × guartelae Mancinelli & E.C.Smidt (2012)
 * Bulbophyllum gunnarii Aver. (2005)
 * Bulbophyllum gusdorfii J.J.Sm. 1917
 * Bulbophyllum guttatum Schltr. 1913
 * Bulbophyllum guttifilum Seidenf. 1996
 * Bulbophyllum guttulatoides Aver. (2005)
 * Bulbophyllum guttulatum (Hook.f.) N.P.Balakr. 1970: Small-spotted Bulbophyllum
 * Bulbophyllum gyaloglossum J.J.Verm. 1993
 * Bulbophyllum gymnopus Hook.f. 1890
 * Bulbophyllum gyrochilum Seidenf. 1979

H

 * Bulbophyllum habbemense P.Royen 1979
 * Bulbophyllum habrotinum J.J.Verm. & A.L.Lamb 1994
 * Bulbophyllum haematostictum J.J.Verm. & A.L.Lamb (2008)
 * Bulbophyllum hahlianum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum hainanense Z.H.Tsi 1981
 * Bulbophyllum halconense Ames 1907
 * Bulbophyllum hamadryas Schltr. 1913
 * Bulbophyllum hamatipes J.J.Sm. 1918
 * Bulbophyllum hamelinii W.Watson 1893
 * Bulbophyllum hampeliae Cootes, R.Boos & Naive (2016)
 * Bulbophyllum hampelianum J.M.H.Shaw (2017)
 * Bulbophyllum haniffii Carr 1932
 * Bulbophyllum hans-meyeri J.J.Wood 1981
 * Bulbophyllum hapalanthos Garay 1999
 * Bulbophyllum hassallii Kores 1989
 * Bulbophyllum hastiferum Schltr. 1911
 * Bulbophyllum hatschbachianum E.C.Smidt & Borba (2008)
 * Bulbophyllum hatusimanum Tuyama 1940
 * Bulbophyllum heldiorum J.J.Verm. 1991
 * Bulbophyllum helenae (Kuntze) J.J.Sm. 1912
 * Bulbophyllum hellwigianum Kraenzl. ex Warb. 1893
 * Bulbophyllum hemiprionotum J.J.Verm. & A.L.Lamb 1994
 * Bulbophyllum hemisterranthum J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum henanense J.L.Lu 1992
 * Bulbophyllum hengstumianum J.J.Verm., de Vogel & A.Vogel (2010)
 * Bulbophyllum henrici Schltr. 1924
 * Bulbophyllum henrici var. henrici
 * Bulbophyllum henrici var. rectangulare H.Perrier ex Hermans (2007)
 * Bulbophyllum herbula Frapp. ex Cordem. 1895
 * Bulbophyllum hermonii (P.J.Cribb & B.A.Lewis) J.J.Verm., Schuit. & de Vogel (2015)
 * Bulbophyllum heteroblepharon Schltr. 1913
 * Bulbophyllum heterorhopalon Schltr. 1913
 * Bulbophyllum heterosepalum Schltr. 1913
 * Bulbophyllum hexarhopalon Schltr. 1906
 * Bulbophyllum hexurum Schltr. 1913
 * Bulbophyllum hians Schltr. 1913
 * Bulbophyllum hiepii Aver. 1992
 * Bulbophyllum hildebrandtii Rchb.f. 1881
 * Bulbophyllum hiljeae J.J.Verm. 1991
 * Bulbophyllum himantosepalum J.J.Verm. & Sieder (2015)
 * Bulbophyllum hirsutissimum Kraenzl. 1912
 * Bulbophyllum hirsutiusculum H.Perrier 1937
 * Bulbophyllum hirtulum Ridl. 1900
 * Bulbophyllum hirtum (Sm.) Lindl. 1830
 * Bulbophyllum hirudiniferum J.J.Verm. 1982
 * Bulbophyllum hirundinis (Gagnep.) Seidenf. (1973 publ. 1974)
 * Bulbophyllum histrionicum Rchb.f. ex G.A.Fisch. & P.J.Cribb (2009)
 * Bulbophyllum hodgsonii M.R.Hend. 1927
 * Bulbophyllum hoehnei E.C.Smidt & Borba (2007)
 * Bulbophyllum hollandianum J.J.Sm. 1913
 * Bulbophyllum holochilum J.J.Sm. 1912
 * Bulbophyllum horizontale Bosser 1965
 * Bulbophyllum horridulum J.J.Verm. 1986
 * Bulbophyllum hortorum J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum hovarum Schltr. 1924
 * Bulbophyllum howcroftii Garay, Hamer & Siegerist 1995
 * Bulbophyllum hoyifolium J.J.Verm. 1993
 * Bulbophyllum huangshanense Y.M.Hu & X.H.Jin (2015)
 * Bulbophyllum humbertii Schltr. 1922
 * Bulbophyllum humblotii Rolfe 1891
 * Bulbophyllum humile Schltr. 1913
 * Bulbophyllum hyalinum Schltr. 1924
 * Bulbophyllum hyalosemoides J.J.Verm. & P.O'Byrne (2011)
 * Bulbophyllum hydrophilum J.J.Sm. 1905
 * Bulbophyllum hymenanthum Hook.f. 1890
 * Bulbophyllum hymenochilum Kraenzl. 1904
 * Bulbophyllum hyposiphon J.J.Verm. & A.L.Lamb (2013)
 * Bulbophyllum hyption J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum hystricinum Schltr. 1913

I

 * Bulbophyllum ialibuense Ormerod 2002
 * Bulbophyllum ichthyosme J.J.Verm. (2008)
 * Bulbophyllum icteranthum Schltr. 1913
 * Bulbophyllum idenburgense J.J.Sm. 1929
 * Bulbophyllum igneum J.J.Sm. 1913
 * Bulbophyllum ignevenosum Carr 1930
 * Bulbophyllum ignobile J.J.Sm. 1934
 * Bulbophyllum ikongoense H.Perrier 1937
 * Bulbophyllum illecebrum J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum imbricans J.J.Sm. 1912
 * Bulbophyllum imbricatum Lindl. 1841
 * Bulbophyllum imerinense Schltr. 1925
 * Bulbophyllum imitator J.J.Verm. 1992
 * Bulbophyllum impar Ridl. 1917
 * Bulbophyllum inacootesiae Cootes, M.Leon & Naive (2016)
 * Bulbophyllum inaequale (Blume) Lindl. 1830
 * Bulbophyllum inaequisepalum Schltr. 1923
 * Bulbophyllum inauditum Schltr. 1913
 * Bulbophyllum incarum Kraenzl. 1905: Incan Bulbophyllum
 * Bulbophyllum inciferum J.J.Verm. 1993
 * Bulbophyllum incisilabrum J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum inclinatum J.J.Sm. 1935
 * Bulbophyllum incommodum Kores 1989
 * Bulbophyllum inconspicuum Maxim. 1887
 * Bulbophyllum incumbens Schltr. 1913
 * Bulbophyllum incurvum Thouars 1822
 * Bulbophyllum indragiriense Schltr. (1906)
 * Bulbophyllum iners Rchb.f. 1880
 * Bulbophyllum infundibuliforme J.J.Sm. 1900
 * Bulbophyllum infundibuliforme subsp. hymenobracteatum (Schltr.) De Witte & J.J.Verm. (2010)
 * Bulbophyllum infundibuliforme subsp. infundibuliforme
 * Bulbophyllum inhaiense V.P.Castro & K.G.Lacerda (2009)
 * Bulbophyllum injoloense De Wild. 1916
 * Bulbophyllum injoloense subsp. injoloense
 * Bulbophyllum injoloense subsp. pseudoxypterum (J.J.Verm.) J.J.Verm. 1986
 * Bulbophyllum inops Rchb.f. 1880
 * Bulbophyllum inornatum J.J.Verm. 1987
 * Bulbophyllum inquirendum J.J.Verm. 1993
 * Bulbophyllum insectiferum Barb.Rodr. 1882
 * Bulbophyllum insipidum J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum insolitum Bosser 1971
 * Bulbophyllum insulsoides Seidenf. 1974)
 * Bulbophyllum intermedium F.M.Bailey 1901
 * Bulbophyllum interpositum J.J.Verm., Schuit. & de Vogel (2015)
 * Bulbophyllum intertextum Lindl. 1862
 * Bulbophyllum intonsum J.J.Verm. (2008)
 * Bulbophyllum intricatum Seidenf. 1979: Intricate Bulbophyllum
 * Bulbophyllum inversum Schltr. 1913
 * Bulbophyllum invisum Ames 1922
 * Bulbophyllum involutum Borba. Semir & F.Barros 1998
 * Bulbophyllum ionophyllum J.J.Verm. 1991
 * Bulbophyllum ipanemense Hoehne 1938: Ipanema Bulbophyllum
 * Bulbophyllum ischnobasis J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum ischnopus Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum iterans J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum ivorense P.J.Cribb & Perez-Vera 1975

J

 * Bulbophyllum jaapii Szlach. & Olszewski 2001
 * Bulbophyllum jackyi G.A.Fisch., Sieder & P.J.Cribb (2007)
 * Bulbophyllum jainii (Hynn. & Malhotra) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum jamaicense Cogn. 1909
 * Bulbophyllum janus J.J.Verm. 2002
 * Bulbophyllum japonicum (Makino) Makino 1910
 * Bulbophyllum jayi J.J.Verm. & A.L.Lamb (2013)
 * Bulbophyllum jiewhoei J.J.Verm. & P.O'Byrne 2000
 * Bulbophyllum johannis H.Wendl. & Kraenzl. 1894
 * Bulbophyllum johannulii J.J.Verm. 1982
 * Bulbophyllum johnsonii T.E.Hunt 1950 – yellow snake orchid
 * Bulbophyllum jolandae J.J.Verm. 1991
 * Bulbophyllum jonpetri J.J.Verm. & A.L.Lamb (2013)
 * Bulbophyllum josephi (Kuntze) Summerh. 1945
 * Bulbophyllum josephi var. josephi
 * Bulbophyllum josephi var. mahonii (Rolfe) J.J.Verm. 1986
 * Bulbophyllum josii J.J.Verm. & P.O'Byrne (2011)
 * Bulbophyllum jumelleanum Schltr. 1913

K

 * Bulbophyllum kachinense (Seidenf.) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum kainochiloides H.Perrier 1937
 * Bulbophyllum kaitiense Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum kanburiense Seidenf. 1970
 * Bulbophyllum kaniense Schltr. 1913
 * Bulbophyllum kapitense J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum karenkoensis T.P.Lin, Taiwania (2016)
 * Bulbophyllum karenkoensis var. karenkoensis
 * Bulbophyllum karenkoensis var. puniceum (T.P.Lin & Y.N.Chang) T.P.Lin (2016)
 * Bulbophyllum kauloense Schltr. 1913
 * Bulbophyllum kautskyi Toscano 2000
 * Bulbophyllum keekee N.Hall 1977
 * Bulbophyllum kegelii Hamer & Garay (1995 publ. 1997).
 * Bulbophyllum kelelense Schltr. 1913
 * Bulbophyllum kempfii Schltr. 1921
 * Bulbophyllum kemulense J.J.Sm. 1931
 * Bulbophyllum kenae J.J.Verm. 1993
 * Bulbophyllum kenchungianum P.O'Byrne & Gokusing (2016)
 * Bulbophyllum kenejianum Schltr. (1913)
 * Bulbophyllum keralense M.Kumar & Sequiera 2001
 * Bulbophyllum kermesinostriatum (J.J.Sm.) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum kermesinum Ridl. 1889
 * Bulbophyllum kestron J.J.Verm. & A.L.Lamb 1988
 * Bulbophyllum khaoyaiense Seidenf. 1970
 * Bulbophyllum khasyanum Griff. 1851
 * Bulbophyllum kiamfeeanum J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum kieneri Bosser 1971
 * Bulbophyllum kingii Hook.f. (1890)
 * Bulbophyllum kipgenii (Kishor, Chowlu & Vij) J.J.Verm., Schuit. & de Vogel 104 (2014)
 * Bulbophyllum kirroanthum Schltr. 1911
 * Bulbophyllum kittredgei (Garay, Hamer & Siegerist) J.J.Verm. (1996)
 * Bulbophyllum kivuense J.J.Verm. 1986
 * Bulbophyllum kjellbergii J.J.Sm. 1933
 * Bulbophyllum klabatense Schltr. 1911
 * Bulbophyllum klabatense subsp. klabatense
 * Bulbophyllum klabatense subsp. sulawesii (Garay, Hamer & Siegerist) J.J.Verm. & P.O'Byrne (2011)
 * Bulbophyllum koilobasis J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum kontumense Gagnep. 1950
 * Bulbophyllum korimense J.J.Sm. 1929
 * Bulbophyllum korinchense Ridl. 1917
 * Bulbophyllum korthalsii Schltr. 1907
 * Bulbophyllum kuanwuense S.W.Chung & T.C.Hsu (2006)
 * Bulbophyllum kubahense J.J.Verm. & A.L.Lamb (2011)
 * Bulbophyllum kupense P.J.Cribb & B.J.Pollard 2004
 * Bulbophyllum kusaiense Tuyama 1940
 * Bulbophyllum kwangtungense Schltr. 1924

L

 * Bulbophyllum labatii Bosser 2004
 * Bulbophyllum laciniatum (Barb.Rodr.) Cogn. in C.F.P.von Martius 1902: Small-tipped Bulbophyllum
 * Bulbophyllum lacinulosum J.J.Sm. 1927
 * Bulbophyllum laetum J.J.Verm. 1996
 * Bulbophyllum lagaroglossum J.J.Verm. (2008)
 * Bulbophyllum lagaropetalum J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum lagarophyllum J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum lageniforme F.M.Bailey 1904
 * Bulbophyllum lakatoense Bosser 1969
 * Bulbophyllum lambii J.J.Verm. 1991
 * Bulbophyllum lamelluliferum J.J.Sm. 1913
 * Bulbophyllum lamii J.J.Sm. 1929
 * Bulbophyllum lamingtonense D.L.Jones 1993 – cream rope orchid
 * Bulbophyllum lancifolium Ames 1912
 * Bulbophyllum lancilabium Ames 1915
 * Bulbophyllum lancipetalum Ames 1912
 * Bulbophyllum lancisepalum H.Perrier 1938
 * Bulbophyllum languidum J.J.Sm. 1922
 * Bulbophyllum lanuginosum J.J.Verm. 2002
 * Bulbophyllum laoticum Gagnep. 1930: Laotian Bulbophyllum
 * Bulbophyllum lasianthum Lindl. 1855
 * Bulbophyllum lasiochilum C.S.P.Parish & Rchb.f. 1874
 * Bulbophyllum lasiogaster J.J.Verm. & P.O'Byrne (2011)
 * Bulbophyllum lasioglossum Rolfe ex Ames 1905
 * Bulbophyllum lasiopetalum Kraenzl. 1916
 * Bulbophyllum latibrachiatum J.J.Sm. 1908
 * Bulbophyllum latibrachiatum var. epilosum J.J.Sm. 1913
 * Bulbophyllum latibrachiatum var. latibrachiatum
 * Bulbophyllum latipes J.J.Sm. 1935
 * Bulbophyllum latipetalum H.Perrier 1951
 * Bulbophyllum latisepalum Ames & C.Schweinf. in O.Ames 1920
 * Bulbophyllum laxiflorum (Blume) Lindl. 1830
 * Bulbophyllum laxum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum leandrianum H.Perrier 1937
 * Bulbophyllum lecouflei Bosser 1989
 * Bulbophyllum ledungense Tang & F.T.Wang 1974
 * Bulbophyllum lehmannianum Kraenzl. 1899
 * Bulbophyllum leibergii Ames & Rolfe in O.Ames 1915
 * Bulbophyllum leion J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum lemnifolium Schltr. 1913
 * Bulbophyllum lemniscatoides Rolfe 1890: lemniscatum-like bulbophyllum
 * Bulbophyllum lemniscatoides var. exappendiculatum 1920
 * Bulbophyllum lemniscatoides var. lemniscatoides
 * Bulbophyllum lemniscatum C.S.P.Parish ex Hook.f. 1872
 * Bulbophyllum lemuraeoides H.Perrier (1937)
 * Bulbophyllum lemurense Bosser & P.J.Cribb in D.J.Du Puy & al. 1999
 * Bulbophyllum leniae J.J.Verm. 1991
 * Bulbophyllum leonii Kraenzl. 1899
 * Bulbophyllum leontoglossum Schltr. 1913
 * Bulbophyllum leopardinum (Wall.) Lindl. in N.Wallich 1829: leopard-spotted bulbophyllum
 * Bulbophyllum lepantense Ames 1912
 * Bulbophyllum lepanthiflorum Schltr. 1913
 * Bulbophyllum lepidum (Blume) J.J.Sm. (1905)
 * Bulbophyllum leproglossum J.J.Verm. & A.L.Lamb 1988
 * Bulbophyllum leptanthum Hook.f. 1890
 * Bulbophyllum leptobulbon J.J.Verm. 1996
 * Bulbophyllum leptocaulon Kraenzl. 1916
 * Bulbophyllum leptochlamys Schltr. 1924
 * Bulbophyllum leptoflorum P.O'Byrne & P.T.Ong (2014)
 * Bulbophyllum leptoglossum J.J.Verm. & A.L.Lamb (2008)
 * Bulbophyllum leptoleucum Schltr. 1913
 * Bulbophyllum leptophyllum W.Kittr. (1984 publ. 1985).
 * Bulbophyllum leptopus Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum leptosepalum Hook.f. 1890
 * Bulbophyllum leptostachyum Schltr. 1922
 * Bulbophyllum leptotriche J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum leucoglossum Schuit., Juswara & Droissart (2016)
 * Bulbophyllum leucorhachis (Rolfe) Schltr. (1905)
 * Bulbophyllum leucorhodum Schltr. 1913
 * Bulbophyllum leucothyrsus Schltr. 1913: white-flowered bunch bulbophyllum
 * Bulbophyllum levanae Ames 1915: Levan's bulbophyllum
 * Bulbophyllum levanae var. giganteum Quisumb. & C.Schweinf. 1953
 * Bulbophyllum levatii Kraenzl. 1929
 * Bulbophyllum levatii subsp. levatii
 * Bulbophyllum levatii subsp. mischanthum J.J.Verm. 1993
 * Bulbophyllum leve Schltr. 1913
 * Bulbophyllum levidense J.J.Sm. 1929
 * Bulbophyllum levyae Garay, Hamer & Siegerist 1995:
 * Bulbophyllum lewisense B.Gray & D.L.Jones 1989 – Mount Lewis rope orchid
 * Bulbophyllum leysianum Burb. (1895)
 * Bulbophyllum leytense Ames 1915
 * Bulbophyllum lichenoides Schltr. 1913
 * Bulbophyllum lichenophylax Schltr. 1924
 * Bulbophyllum ligulatum W.Kittr. (1984 publ. 1985).
 * Bulbophyllum ligulifolium J.J.Sm. 1934
 * Bulbophyllum lilacinum Ridl. 1897:
 * Bulbophyllum lilianae Rendle 1917 – warty strand orchid
 * Bulbophyllum limbatum Lindl. 1840
 * Bulbophyllum lindleyanum Griff. 1851:
 * Bulbophyllum lineare Frapp. ex Cordem. 1895
 * Bulbophyllum lineariflorum J.J.Sm. 1911
 * Bulbophyllum linearifolium King & Pantl. 1897
 * Bulbophyllum linearilabium J.J.Sm. 1912
 * Bulbophyllum lineariligulatum Schltr. 1924
 * Bulbophyllum lineatum (Teijsm. & Binn.) J.J.Sm. 1912
 * Bulbophyllum lineolatum Schltr. 1913
 * Bulbophyllum linggense J.J.Sm. 1922
 * Bulbophyllum lingulatum Rendle 1921
 * Bulbophyllum lingulatum f. lingulatum
 * Bulbophyllum lingulatum f. microphyton (Guillaumin) N.Hall 1977
 * Bulbophyllum liparidioides Schltr. 1924
 * Bulbophyllum lipense Ames 1923
 * Bulbophyllum lissoglossum J.J.Verm. 1991: smooth-lipped bulbophyllum
 * Bulbophyllum lizae J.J.Verm. 1984
 * Bulbophyllum lobbii Lindl. 1847: Lobb's Bulbophyllum, Thailand Bulbophyllum, Sumatran Bulbophyllum
 * Bulbophyllum lobbii subsp. boreoborneense Mangal, F.Velazquez & J.J.Verm. (2015)
 * Bulbophyllum lobbii subsp. breviflorum (J.J.Sm.) Mangal, F.Velazquez & J.J.Verm. (2015)
 * Bulbophyllum lobbii subsp. lobbii
 * Bulbophyllum lobbii subsp. siamense (Rchb.f.) Mangal, F.Velazquez & J.J.Verm. (2015)
 * Bulbophyllum loherianum (Kraenzl.) Ames in E.D.Merrill 1925
 * Bulbophyllum lohokii J.J.Verm. & A.L.Lamb 1994
 * Bulbophyllum lokonense Schltr. 1911
 * Bulbophyllum lombokense Rysy (2014)
 * Bulbophyllum lomsakense J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum lonchophyllum Schltr. 1913
 * Bulbophyllum longebracteatum Seidenf. (1979)
 * Bulbophyllum longerepens Ridl. (1908)
 * Bulbophyllum longhutense J.J.Sm. 1931
 * Bulbophyllum longibrachiatum Z.H.Tsi 1981
 * Bulbophyllum longibracteatum Seidenf. 1979
 * Bulbophyllum longiflorum Thouars 1822 – pale umbrella orchid
 * Bulbophyllum longilabre Schltr. 1912
 * Bulbophyllum longimucronatum Ames & C.Schweinf. in O.Ames 1920
 * Bulbophyllum longipedicellatum J.J.Sm. 1910
 * Bulbophyllum longipedicellatum var. gjellerupii J.J.Sm. 1911
 * Bulbophyllum longipedicellatum var. longipedicellatum
 * Bulbophyllum longipes Rchb.f. in W.G.Walpers (1861)
 * Bulbophyllum longipetalum Pabst 1964
 * Bulbophyllum longipetiolatum Ames 1912
 * Bulbophyllum longirostre Schltr. 1913
 * Bulbophyllum longiscapum Rolfe 1896
 * Bulbophyllum longisepalum Rolfe 1895
 * Bulbophyllum longissimum (Ridl.) J.J.Sm. 1912
 * Bulbophyllum longistelidium Ridl. (1924)
 * Bulbophyllum longivagans Carr 1933
 * Bulbophyllum longivaginans H.Perrier 1937
 * Bulbophyllum lopalanthum J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum lophoglottis (Guillaumin) N.Hall 1977
 * Bulbophyllum lophoton J.J.Verm. 1993
 * Bulbophyllum lordoglossum J.J.Verm. & A.L.Lamb 1994
 * Bulbophyllum lorentzianum J.J.Sm. 1910
 * Bulbophyllum louisiadum Schltr. 1919
 * Bulbophyllum loxophyllum Schltr. 1913
 * Bulbophyllum luanii Tixier 1965
 * Bulbophyllum lucidum Schltr. 1924
 * Bulbophyllum luciphilum Stvart 2000
 * Bulbophyllum luckraftii F.Muell. 1882
 * Bulbophyllum lumbriciforme J.J.Sm. 1920
 * Bulbophyllum lupulinum Lindl. 1862
 * Bulbophyllum luteobracteatum Jum. & H.Perrier 1912
 * Bulbophyllum luteopurpureum J.J.Sm. 1907
 * Bulbophyllum luteum J.J.Verm (2008)
 * Bulbophyllum lyciachungianum P.O'Byrne & Gokusing (2016)
 * Bulbophyllum lygeron J.J.Verm. 1991
 * Bulbophyllum lyperocephalum Schltr. 1924
 * Bulbophyllum lyperostachyum Schltr. 1924
 * Bulbophyllum lyriforme J.J.Verm. & P.O'Byrne 2003

M

 * Bulbophyllum maanshanense Z.J.Liu, L.J.Chen & W.H.Rao (2010)
 * Bulbophyllum maboroense Schltr. 1913
 * Bulbophyllum machupicchuense D.E.Benn. & Christenson 2001
 * Bulbophyllum macilentum J.J.Verm. 1993
 * Bulbophyllum macneiceae Schuit. & de Vogel (2005)
 * Bulbophyllum macphersonii Rupp 1934 – small eyelash orchid
 * Bulbophyllum macphersonii var. macphersonii
 * Bulbophyllum macphersonii var. spathulatum Dockrill & St.Cloud 1957
 * Bulbophyllum macraei (Lindl.) Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum macranthoides Kraenzl. 1905: Macrantha-like Bulbophyllum
 * Bulbophyllum macranthum Lindl. 1844
 * Bulbophyllum macrobulbum J.J.Sm. 1910
 * Bulbophyllum macrocarpum Frapp. ex Cordem. 1895
 * Bulbophyllum macroceras Barb.Rodr. 1882
 * Bulbophyllum macrochilum Rolfe 1896
 * Bulbophyllum macrocoleum Seidenf. 1979
 * Bulbophyllum macrorhopalon Schltr. 1913
 * Bulbophyllum macrorrhinum (P.Royen) J.J.Verm. (2014)
 * Bulbophyllum macrourum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum maculatum Boxall ex Náves in F.M.Blanco 1880
 * Bulbophyllum maculiflorum J.J.Verm., Schuit. & de Vogel (2015)
 * Bulbophyllum magnibracteatum Summerh. 1935
 * Bulbophyllum magnum J.J.Verm. (2013)
 * Bulbophyllum magnussonianum J.J.Verm., de Vogel & A.Vogel (2010)
 * Bulbophyllum mahakamense J.J.Sm. 1909
 * Bulbophyllum maijenense Schltr. 1913
 * Bulbophyllum majus (Ridl.) P.Royen 1979
 * Bulbophyllum makoyanum (Rchb.f.) Ridl. 1907
 * Bulbophyllum malachadenia Cogn. in C.F.P.von Martius 1902
 * Bulbophyllum maleolens Kraenzl. 1928
 * Bulbophyllum malleolabrum Carr 1932
 * Bulbophyllum mamberamense J.J.Sm. 1915
 * Bulbophyllum manabendrae D.K.Roy, Barbhuiya & Talukdar (2014)
 * Bulbophyllum mananjarense Poiss. 1912
 * Bulbophyllum manarae Foldats 1968
 * Bulbophyllum mandibulare Rchb.f. 1882: Chin-like Bulbophyllum
 * Bulbophyllum mangenotii Bosser 1965
 * Bulbophyllum manipurense C.S.Kumar & P.C.S.Kumar (2005)
 * Bulbophyllum manobulbum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum maquilingense Ames & Quisumb. 1932: Mount Makiling Bulbophyllum
 * Bulbophyllum marginatum Schltr. 1913
 * Bulbophyllum marivelense Ames 1912
 * Bulbophyllum marknaivei Cootes, R.Boos & M.Leon (2016)
 * Bulbophyllum marojejiense H.Perrier 1951
 * Bulbophyllum marovoense H.Perrier 1951
 * Bulbophyllum marudiense Carr 1935
 * Bulbophyllum masaganapense Ames 1920
 * Bulbophyllum masarangicum Schltr. 1911
 * Bulbophyllum maskeliyense Livera 1926
 * Bulbophyllum masoalanum Schltr. 1916: Masoala Bulbophyllum
 * Bulbophyllum masonii (Senghas) J.J.Wood 1986
 * Bulbophyllum mastersianum (Rolfe) J.J.Sm. 1912
 * Bulbophyllum mattesii Sieder & Kiehn (2009)
 * Bulbophyllum maudeae A.D.Hawkes 1966
 * Bulbophyllum maxillare (Lindl.) Rchb.f. (1861) – red horntail orchid
 * Bulbophyllum maxillarioides Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum maximum (Lindl.) Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum mayrii J.J.Sm. 1934
 * Bulbophyllum mearnsii Ames (1913 publ. 1914): Mearns' Bulbophyllum
 * Bulbophyllum mediocre Summerh. ex Exell 1959
 * Bulbophyllum medioximum J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum medusae (Lindl.) Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum megalonyx Rchb.f. 1881
 * Bulbophyllum melanoglossum Hayata 1914
 * Bulbophyllum melilotus J.J.Sm. 1929
 * Bulbophyllum melinanthum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum melinoglossum Schltr. 1913
 * Bulbophyllum melleum H.Perrier 1937
 * Bulbophyllum melloi Pabst 1977
 * Bulbophyllum membranaceum Teijsm. & Binn. 1855
 * Bulbophyllum membranifolium Hook.f. 1890
 * Bulbophyllum membranifolium subsp. inunctum (J.J.Sm.) J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum membranifolium subsp. membranifolium
 * Bulbophyllum menghaiense Z.H.Tsi 1981
 * Bulbophyllum menglaense Jian W.Li & X.H.Jin (2017)
 * Bulbophyllum menglunense Z.H.Tsi & Y.Z.Ma 1985
 * Bulbophyllum mengyuanense Q.Liu, Jian W.Li & X.H.Jin (2015)
 * Bulbophyllum mentiferum J.J.Sm. 1927
 * Bulbophyllum mentosum Barb.Rodr. 1877
 * Bulbophyllum meridense Rchb.f. 1850
 * Bulbophyllum meristorhachis Garay & Dunst. 1976
 * Bulbophyllum merrittii Ames 1907
 * Bulbophyllum mesodon J.J.Verm. 1993
 * Bulbophyllum meson J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum metonymon Summerh. (1951 publ. 1952).
 * Bulbophyllum micholitzianum Kraenzl. 1893
 * Bulbophyllum micholitzii Rolfe 1901: Micholitz' Bulbophyllum
 * Bulbophyllum micranthum Barb.Rodr. 1877
 * Bulbophyllum microblepharon Schltr. 1913
 * Bulbophyllum microbulbon Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum microcala P.F.Hunt 1970
 * Bulbophyllum microdendron Schltr. 1913
 * Bulbophyllum microglossum Ridl. 1908: Small-lipped Bulbophyllum
 * Bulbophyllum microlabium W.Kittr. (1984 publ. 1985).
 * Bulbophyllum micronesiacum Schltr. 1921
 * Bulbophyllum micropetaliforme Leite 1946
 * Bulbophyllum micropetalum Lindl. (1862)
 * Bulbophyllum microrhombos Schltr. 1912
 * Bulbophyllum microsphaerum Schltr. 1913
 * Bulbophyllum microtepalum Rchb.f. in W.G.Walpers 1861:
 * Bulbophyllum microtes Schltr. 1913
 * Bulbophyllum microthamnus Schltr. 1923
 * Bulbophyllum migueldavidii Cootes, Cabactulan & Pimentel (2017)
 * Bulbophyllum mimiense Schltr. 1913
 * Bulbophyllum minax Schltr. 1924
 * Bulbophyllum mindorense Ames 1907
 * Bulbophyllum minutibulbum W.Kittr. (1984 publ. 1985).
 * Bulbophyllum minutilabrum H.Perrier 1937
 * Bulbophyllum minutipetalum Schltr. 1913: Small-petaled Bulbophyllum
 * Bulbophyllum minutissimum (F.Muell.) F.Muell. 1878
 * Bulbophyllum minutius J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum minutulum Ridl. ex Burkill & Holttum 1923
 * Bulbophyllum minutum Thouars 1822
 * Bulbophyllum mirabile Hallier f. 1889
 * Bulbophyllum mirificum Schltr. 1918
 * Bulbophyllum mirum J.J.Sm. 1906
 * Bulbophyllum mischobulbon Schltr. 1913
 * Bulbophyllum mobilifilum Carr 1929
 * Bulbophyllum moldenkeanum A.D.Hawkes 1966
 * Bulbophyllum molle J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum molossus Rchb.f. 1888
 * Bulbophyllum mona-lisae Sieder & Kiehn (2009)
 * Bulbophyllum monanthos Ridl. 1897
 * Bulbophyllum moniliforme C.S.P.Parish & Rchb.f. 1874: Necklace Bulbophyllum
 * Bulbophyllum monosema Schltr. 1913
 * Bulbophyllum monstrabile Ames 1915
 * Bulbophyllum montanum Schltr. 1913
 * Bulbophyllum montense Ridl. ex Stapf 1894
 * Bulbophyllum montisdischorense J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum moramanganum Schltr. 1922
 * Bulbophyllum moratii Bosser 1989
 * Bulbophyllum morenoi Dodson & R.Vásquez 1989
 * Bulbophyllum moroides J.J.Sm. 1917
 * Bulbophyllum morotaiense J.J.Sm. 1932
 * Bulbophyllum morphologorum Kraenzl. 1908
 * Bulbophyllum mucronatum (Blume) Lindl. 1830
 * Bulbophyllum mucronatum subsp. alagense (Ames) J.J.Verm. & P.O'Byrne (2011)
 * Bulbophyllum mucronatum subsp. mucronatum
 * Bulbophyllum mucronifolium Rchb.f. & Warm. in H.G.Reichenbach 1881
 * Bulbophyllum mulderae J.J.Verm. 1993
 * Bulbophyllum multiflexum J.J.Sm. 1927
 * Bulbophyllum multiflorum Ridl. 1885
 * Bulbophyllum multiligulatum H.Perrier 1937
 * Bulbophyllum multivaginatum Jum. & H.Perrier 1912
 * Bulbophyllum muluense J.J.Wood (1984)
 * Bulbophyllum muricatum J.J.Sm. 1911
 * Bulbophyllum muriceum Schltr. 1913
 * Bulbophyllum murkelense J.J.Sm. 1928
 * Bulbophyllum muscarirubrum Seidenf. 1979
 * Bulbophyllum muscicola Rchb.f. 1872
 * Bulbophyllum muscohaerens J.J.Verm. & A.L.Lamb 1994
 * Bulbophyllum mutabile (Blume) Lindl. 1830
 * Bulbophyllum myodes J.J.Verm. (2008)
 * Bulbophyllum myolaense Garay, Hamer & Siegerist 1995
 * Bulbophyllum myon J.J.Verm. 1990
 * Bulbophyllum myrmecochilum Schltr. 1924
 * Bulbophyllum myrtillus Schltr. 1913
 * Bulbophyllum mysorense (Rolfe) J.J.Sm. 1912
 * Bulbophyllum mystax Schuit. & de Vogel 2002
 * Bulbophyllum mystrochilum Schltr. 1913
 * Bulbophyllum mystrophyllum Schltr. 1919

N

 * Bulbophyllum nabawanense J.J.Wood & A.L.Lamb 1994
 * Bulbophyllum nagelii L.O.Williams 1939
 * Bulbophyllum namoronae Bosser 1971
 * Bulbophyllum nannodes Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum napellii Lindl. 1842
 * Bulbophyllum nasica Schltr. 1913
 * Bulbophyllum nasilabium Schltr. 1921
 * Bulbophyllum nasseri Garay 1999
 * Bulbophyllum nasutum Rchb.f. (1871)
 * Bulbophyllum navicula Schltr. 1913
 * Bulbophyllum naviculiforme P.O'Byrne & P.T.Ong (2014)
 * Bulbophyllum nebularum Schltr. 1913
 * Bulbophyllum neglectum Bosser 1965
 * Bulbophyllum negrosianum Ames 1912
 * Bulbophyllum nematocaulon Ridl. 1920
 * Bulbophyllum nematopodum F.Muell. 1872 – green cowl orchid
 * Bulbophyllum nematorhizis Schltr. 1913
 * Bulbophyllum nemorale L.O.Williams 1938
 * Bulbophyllum neoebudicum (Garay, Hamer & Siegerist) Sieder & Kiehn (2009)
 * Bulbophyllum neoguineense J.J.Sm. 1908
 * Bulbophyllum neopommeranicum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum neotorricellense J.M.H.Shaw (2014)
 * Bulbophyllum nepalense Raskoti & Ale (2013)
 * Bulbophyllum nervulosum Frapp. ex Cordem. 1895
 * Bulbophyllum nesiotes Seidenf. 1979
 * Bulbophyllum newportii (F.M.Bailey) Rolfe 1909 – cupped strand orchid
 * Bulbophyllum ngoclinhensis Aver. 1997
 * Bulbophyllum ngoyense Schltr. 1906
 * Bulbophyllum nigericum Summerh. 1962
 * Bulbophyllum nigrescens Rolfe 1910
 * Bulbophyllum nigricans (Aver.) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum nigriflorum H.Perrier 1937
 * Bulbophyllum nigrilabium Schltr. 1913
 * Bulbophyllum nigripetalum Rolfe 1891
 * Bulbophyllum nigritianum Rendle 1913
 * Bulbophyllum nipondhii Seidenf. 1985
 * Bulbophyllum nitens Jum. & H.Perrier 1912
 * Bulbophyllum nitidum Schltr. 1912: Shimmering Bulbophyllum
 * Bulbophyllum nocturnum J. J. Verm., de Vogel, Schuit. & A. Vogel 2011
 * Bulbophyllum nodosum (Rolfe) J.J.Sm. 1912
 * Bulbophyllum notabilipetalum Seidenf. 1995
 * Bulbophyllum novaciae J.J.Verm. & P.O'Byrne (2003)
 * Bulbophyllum novae-hiberniae Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum novemfilum P.O'Byrne & P.T.Ong (2014)
 * Bulbophyllum nubigenum Schltr. 1913
 * Bulbophyllum nubinatum J.J.Verm. 1988
 * Bulbophyllum nujiangense X.H.Jin & W.T.Jin (2014)
 * Bulbophyllum nummularia (H.Wendl. & Kraenzl.) Rolfe in D.Oliver 1897
 * Bulbophyllum nummularioides Schltr. 1913
 * Bulbophyllum nutans (Thouars) Thouars 1822
 * Bulbophyllum nutans var. nutans
 * Bulbophyllum nutans var. variifolium (Schltr.) Bosser 1965
 * Bulbophyllum nymphopolitanum Kraenzl. (1916)

O

 * Bulbophyllum oblanceolatum King & Pantl. 1897
 * Bulbophyllum obliquum Schltr. 1911
 * Bulbophyllum oblongum (Lindl.) Rchb.f. in W.G.Walpers (1861)
 * Bulbophyllum obovatifolium J.J.Sm. 1912
 * Bulbophyllum obovatum (J.J.Sm.) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum obrienianum Rolfe (1892)
 * Bulbophyllum obscuriflorum H.Perrier 1937
 * Bulbophyllum obtusatum Schltr. 1924
 * Bulbophyllum obtusipetalum J.J.Sm. 1905
 * Bulbophyllum obtusum (Blume) Lindl. 1830
 * Bulbophyllum obyrnei Garay, Hamer & Siegerist 1995
 * Bulbophyllum occlusum Ridl. 1885
 * Bulbophyllum occultum Thouars 1822
 * Bulbophyllum ocellatum Cootes & M.A.Clem.8 (2011)
 * Bulbophyllum ochroleucum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum ochroxanthum J.J.Verm. & A.L.Lamb (2013)
 * Bulbophyllum ochthochilum J.J.Verm. 1993
 * Bulbophyllum ochthodes J.J.Verm. 2002
 * Bulbophyllum octarrhenipetalum J.J.Sm. 1913
 * Bulbophyllum octorhopalon Seidenf. 1975
 * Bulbophyllum odoardii Rchb.f. & Pfitzer 1884
 * Bulbophyllum odontoglossum Schltr. 1913
 * Bulbophyllum odontopelatum Schltr. 1913
 * Bulbophyllum odontostigma J.J.Verm. (2008)
 * Bulbophyllum odoratissimum (Sm.) Lindl. ex Hook.f. 1890: Fragrant Bulbophyllum
 * Bulbophyllum odoratissimum var. odoratissimum
 * Bulbophyllum odoratissimum var. racemosum N.P.Balakr. 1978
 * Bulbophyllum odoratum (Blume) Lindl. 1830
 * Bulbophyllum oeneum Burkill ex Ridl. (1924)
 * Bulbophyllum oerstedii (Rchb.f.) Hemsl. (1884)
 * Bulbophyllum oliganthum Schltr. 1913
 * Bulbophyllum oligochaete Schltr. 1913
 * Bulbophyllum oligoglossum Rchb.f. 1865
 * Bulbophyllum olivinum J.J.Sm. 1934
 * Bulbophyllum olivinum subsp. linguiferum J.J.Verm. 1993
 * Bulbophyllum olivinum subsp. olivinum
 * Bulbophyllum olorinum J.J.Sm. 1912
 * Bulbophyllum omerandrum Hayata 1914
 * Bulbophyllum oncopus J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum onivense H.Perrier 1937
 * Bulbophyllum oobulbum Schltr. 1913
 * Bulbophyllum ophiuchus Ridl. 1886
 * Bulbophyllum ophiuchus var. baronianum H.Perrier ex Hermans (2007)
 * Bulbophyllum ophiuchus var. ophiuchus
 * Bulbophyllum orbiculare J.J.Sm. 1912
 * Bulbophyllum orbiculare subsp. cassideum (J.J.Sm.) J.J.Verm. 1993
 * Bulbophyllum orbiculare subsp. orbiculare
 * Bulbophyllum orectopetalum Garay, Hamer & Siegerist 1992
 * Bulbophyllum oreocharis Schltr. 1913
 * Bulbophyllum oreodorum Schltr. 1924
 * Bulbophyllum oreodoxa Schltr. 1913
 * Bulbophyllum oreogenum Schltr. 1913
 * Bulbophyllum oreogigas J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum oreomene J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum oreonastes Rchb.f. 1881
 * Bulbophyllum orezii Sath.Kumar 2004
 * Bulbophyllum orientale Seidenf. 1979: Eastern Bulbophyllum
 * Bulbophyllum origami J.J.Verm. 1993
 * Bulbophyllum ornatissimum (Rchb.f.) J.J.Sm. 1912
 * Bulbophyllum ornatum Schltr. 1913
 * Bulbophyllum orohense J.J.Sm. 1915
 * Bulbophyllum orsidice Ridl. 1916
 * Bulbophyllum ortalis J.J.Verm. 1993
 * Bulbophyllum orthosepalum J.J.Verm. 1993: Straight-petaled Bulbophyllum
 * Bulbophyllum osyricera Schltr. 1911
 * Bulbophyllum osyriceroides J.J.Sm. 1920
 * Bulbophyllum othonis (Kuntze) J.J.Sm. 1912
 * Bulbophyllum otochilum J.J.Verm. 1991
 * Bulbophyllum ovalifolium (Blume) Lindl. 1830: Oval-leafed Bulbophyllum
 * Bulbophyllum ovatolanceatum J.J.Sm. 1928
 * Bulbophyllum ovatum Seidenf. 1979
 * Bulbophyllum oxyanthum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum oxycalyx Schltr. 1924
 * Bulbophyllum oxycalyx var. oxycalyx
 * Bulbophyllum oxycalyx var. rubescens (Schltr.) Bosser 1965
 * Bulbophyllum oxychilum Schltr. 1905

P

 * Bulbophyllum pachyacris J.J.Sm. 1908
 * Bulbophyllum pachyanthum Schltr. 1906
 * Bulbophyllum pachyglossum Schltr. 1919
 * Bulbophyllum pachyneuron Schltr. 1911
 * Bulbophyllum pachypus Schltr. 1924
 * Bulbophyllum pachytelos Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum pahudii (de Vriese) Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum paleiferum Schltr. 1924
 * Bulbophyllum pallens (Jum. & Perrier) Schltr. 1924
 * Bulbophyllum pallidulum J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum pallidum Seidenf. 1979
 * Bulbophyllum pampangense Ames 1923
 * Bulbophyllum pan Ridl. 1915
 * Bulbophyllum pandanetorum Summerh. (1953 publ. 1954).
 * Bulbophyllum pandurella Schltr. 1924
 * Bulbophyllum pantoblepharon Schltr. 1924
 * Bulbophyllum pantoblepharon var. pantoblepharon
 * Bulbophyllum pantoblepharon var. vestitum H.Perrier ex Hermans (2007)
 * Bulbophyllum papangense H.Perrier 1937
 * Bulbophyllum papilio J.J.Sm. 1910
 * Bulbophyllum papillatum J.J.Sm. 1910
 * Bulbophyllum papillipetalum Ames 1922
 * Bulbophyllum papillosofilum Carr 1929
 * Bulbophyllum papuanum (Schltr.) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum papuliferum Schltr. 1911
 * Bulbophyllum papuliglossum Schltr. 1913
 * Bulbophyllum papulipetalum Schltr. 1913
 * Bulbophyllum papulosum Garay 1999: Warty Bulbophyllum
 * Bulbophyllum parabates J.J.Verm. 1991
 * Bulbophyllum paraemarginatum Aver. (2007)
 * Bulbophyllum paranaense Schltr. 1919
 * Bulbophyllum paranaense var. paranaense
 * Bulbophyllum pardalinum Ridl. 1916
 * Bulbophyllum pardalotum Garay 1995
 * Bulbophyllum parviflorum C.S.P.Parish & Rchb.f. 1874
 * Bulbophyllum parvum Summerh. 1957
 * Bulbophyllum patella J.J.Verm. 1993
 * Bulbophyllum patens King ex Hook.f. 1896
 * Bulbophyllum pauciflorum Ames 1912
 * Bulbophyllum paucisetum J.J.Sm. 1915
 * Bulbophyllum paulianum J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum paululum Schltr. 1913
 * Bulbophyllum pauwelsianum Stévart & Droissart (2014)
 * Bulbophyllum pauzii P.O'Byrne & P.T.Ong (2014)
 * Bulbophyllum pecten-veneris (Gagnep.) Seidenf. (1973 publ. 1974):
 * Bulbophyllum pectinatum Finet 1897
 * Bulbophyllum pedilochilus J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum pelicanopsis J.J.Verm. & A.L.Lamb 1988
 * Bulbophyllum peltopus Schltr. 1913
 * Bulbophyllum pemae Schltr. 1913
 * Bulbophyllum pendens J.J.Verm. (2008)
 * Bulbophyllum penduliscapum J.J.Sm. 1900
 * Bulbophyllum pendulum Thouars 1822
 * Bulbophyllum penicillium C.S.P.Parish & Rchb.f. 1874: Brush-lipped Bulbophyllum
 * Bulbophyllum peninsulare Seidenf. 1979: Peninsula Bulbophyllum
 * Bulbophyllum pentaneurum Seidenf. 1979
 * Bulbophyllum pentastichum (Pfitzer ex Kraenzl.) H.Perrier 1939
 * Bulbophyllum pentastichum subsp. pentastichum
 * Bulbophyllum pentastichum subsp. rostratum H.Perrier ex Hermans (2007)
 * Bulbophyllum peperomiifolium J.J.Sm. 1918
 * Bulbophyllum peramoenum Ames, Philipp. (1913 publ. 1914).
 * Bulbophyllum percorniculatum H.Perrier 1951
 * Bulbophyllum perexiguum Ridl. 1916
 * Bulbophyllum perforans J.J.Sm. 1935
 * Bulbophyllum perii Schltr. 1922
 * Bulbophyllum perparvulum Schltr. 1915
 * Bulbophyllum perpendiculare Schltr. 1911
 * Bulbophyllum perpusillum H.Wendl. & Kraenzl. 1894
 * Bulbophyllum perreflexum Bosser & P.J.Cribb 2001
 * Bulbophyllum perrieri Schltr. 1913
 * Bulbophyllum perryi J.J.Verm. & Kindler (2015)
 * Bulbophyllum perseverans Hermans (2007)
 * Bulbophyllum pervillei Rolfe ex Scott-Elliot 1891
 * Bulbophyllum petiolare Thwaites 1861
 * Bulbophyllum petiolatum J.J.Sm. 1910
 * Bulbophyllum petioliferum J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum petrae G.A.Fisch., Sieder & P.J.Cribb (2007)
 * Bulbophyllum petrophilum (P.Royen) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum peyrotii Bosser 1965
 * Bulbophyllum phaeanthum Schltr. 1911
 * Bulbophyllum phaeoglossum Schltr. 1913
 * Bulbophyllum phaeoneuron Schltr. 1911
 * Bulbophyllum phaeorhabdos Schltr. 1923
 * Bulbophyllum phalaenopsis J.J.Sm. 1937
 * Bulbophyllum phayamense Seidenf. 1979
 * Bulbophyllum phillipsianum Kores 1991
 * Bulbophyllum phitamii Aver. (2017)
 * Bulbophyllum phormion J.J.Verm. 1992
 * Bulbophyllum phreatiopse J.J.Verm. 1993
 * Bulbophyllum phymatum J.J.Verm. 1982
 * Bulbophyllum physocoryphum Seidenf. 1979
 * Bulbophyllum physometrum J.J.Verm., Suksathan & Watthana (2017)
 * Bulbophyllum pictum C.S.P.Parish & Rchb.f. (1874)
 * Bulbophyllum picturatum (Lodd.) Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum pidacanthum J.J.Verm. 1992
 * Bulbophyllum piestobulbon Schltr. 1923
 * Bulbophyllum piestoglossum J.J.Verm. 1993: Narrow-labellum Bulbophyllum
 * Bulbophyllum pileatum Lindl. 1844: Fibery Bulbophyllum
 * Bulbophyllum piliferum J.J.Sm. 1908
 * Bulbophyllum pilosum J.J.Verm. 2002
 * Bulbophyllum piluliferum King & Pantl. 1895
 * Bulbophyllum pinelianum (A.Rich.) Ormerod (2016)
 * Bulbophyllum pingnanense J.F.Liu, S.R.Lan & Y.C.Liang (2016)
 * Bulbophyllum pingtungense S.S.Ying & S.C.Chen in S.S.Ying (1985)
 * Bulbophyllum pinicolum Gagnep. 1930
 * Bulbophyllum pipio Rchb.f. 1876
 * Bulbophyllum pisibulbum J.J.Sm. 1914
 * Bulbophyllum pitengoense Campacci (2010)
 * Bulbophyllum piundaundense (P.Royen) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum placochilum J.J.Verm. 1991
 * Bulbophyllum plagiatum Ridl. 1916
 * Bulbophyllum plagiopetalum Schltr. 1913
 * Bulbophyllum planibulbe (Ridl.) Ridl. 1907
 * Bulbophyllum planiplexum J.J.Verm. (2008)
 * Bulbophyllum planitiae J.J.Sm. 1910
 * Bulbophyllum platypodum H.Perrier 1937
 * Bulbophyllum pleiopterum Schltr. 1912
 * Bulbophyllum pleochromum J.J.Verm. & A.L.Lamb (2013)
 * Bulbophyllum pleurocrepis J.J.Verm., Cootes & M.Perry (2017)
 * Bulbophyllum pleurothallidanthum Garay 1999
 * Bulbophyllum pleurothalloides Ames 1907
 * Bulbophyllum pleurothallopsis Schltr. 1924
 * Bulbophyllum plicatum J.J.Verm. 1993
 * Bulbophyllum plumatum Ames 1915
 * Bulbophyllum plumosum (Barb.Rodr.) Cogn. in C.F.P.von Martius 1902
 * Bulbophyllum plumula Schltr. 1913
 * Bulbophyllum pocillum J.J.Verm. 1991
 * Bulbophyllum poekilon Carr 1932
 * Bulbophyllum polliculosum Seidenf. 1973
 * Bulbophyllum polyblepharon Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum polycyclum J.J.Verm. 1996
 * Bulbophyllum polyflorum J.M.H.Shaw (2016)
 * Bulbophyllum polygaliflorum J.J.Wood 1984
 * Bulbophyllum polyphyllum Schltr. 1913
 * Bulbophyllum polyrrhizum Lindl. 1830
 * Bulbophyllum polythyris J.J.Verm. & Sieder (2015)
 * Bulbophyllum popayanense Kraenzl. 1899
 * Bulbophyllum porphyrostachys Summerh. 1951
 * Bulbophyllum porphyrotriche J.J.Verm. 1991
 * Bulbophyllum posticum J.J.Sm. 1911
 * Bulbophyllum potamophilum Schltr. 1913
 * Bulbophyllum praetervisum J.J.Verm. 2002
 * Bulbophyllum prianganense J.J.Sm. 1913
 * Bulbophyllum prismaticum Thouars 1822
 * Bulbophyllum pristis J.J.Sm. 1913
 * Bulbophyllum proboscideum (Gagnep.) Seidenf. & Smitinand 1961
 * Bulbophyllum proculcastris J.J.Verm. 2000
 * Bulbophyllum propinquum Kraenzl. 1908
 * Bulbophyllum prorepens Summerh. (1953 publ. 1954).
 * Bulbophyllum protectum H.Perrier 1937
 * Bulbophyllum protractum Hook.f. 1890
 * Bulbophyllum proudlockii (King & Pantl.) J.J.Sm. 1912
 * Bulbophyllum pseudoconiferum W.Suarez & Cootes (2009)
 * Bulbophyllum pseudofilicaule J.J.Sm. 1935
 * Bulbophyllum pseudohydra (Summerh.) J.M.H.Shaw (2016)
 * Bulbophyllum pseudopelma J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum pseudopicturatum (Garay) Sieder & Kiehn (2009)
 * Bulbophyllum pseudoserrulatum J.J.Sm. 1912
 * Bulbophyllum pseudotrias J.J.Verm. 1996
 * Bulbophyllum psilorhopalon Schltr. 1913
 * Bulbophyllum psittacoglossum Rchb.f. 1863
 * Bulbophyllum psychrophilum (F.Muell.) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum pteroglossum Schltr. (1919)
 * Bulbophyllum pterostele J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum ptiloglossum H.Wendl. & Kraenzl. 1897
 * Bulbophyllum ptilotes Schltr. 1913
 * Bulbophyllum ptychantyx J.J.Verm. 1993
 * Bulbophyllum ptychostigma J.J.Verm. (2008)
 * Bulbophyllum pubiflorum Schltr. 1911
 * Bulbophyllum pugilanthum J.J.Wood 1994
 * Bulbophyllum puguahaanense Ames 1915
 * Bulbophyllum puluongensis (Aver. & Averyanova) Sieder & Kiehn (2010 publ. 2011)
 * Bulbophyllum pulvinatum Schltr. 1913
 * Bulbophyllum pumilio C.S.P.Parish & Rchb.f. 1874
 * Bulbophyllum pumilum (Sw.) Lindl. (1830)
 * Bulbophyllum punamense Schltr. 1913
 * Bulbophyllum punctatum Barb.Rodr. 1877
 * Bulbophyllum pungens Schltr. 1913
 * Bulbophyllum puntjakense J.J.Sm. 1907
 * Bulbophyllum purpurascens Teijsm. & Binn. 1862
 * Bulbophyllum purpurellum Ridl. 1916
 * Bulbophyllum purpureofuscum J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum purpureorhachis (De Wild.) Schltr. 1914
 * Bulbophyllum purpureum Thwaites 1861
 * Bulbophyllum pusillum Thouars 1822
 * Bulbophyllum pustulatum Ridl. 1898
 * Bulbophyllum putaoensis Q.Liu (2017)
 * Bulbophyllum putidum (Teijsm. & Binn.) J.J.Sm. 1912
 * Bulbophyllum putii Seidenf. 1979
 * Bulbophyllum pygmaeum (Sm.) Lindl. 1830
 * Bulbophyllum pyridion J.J.Verm. 1991
 * Bulbophyllum pyroglossum Schuit. & de Vogel (2005)

Q

 * Bulbophyllum quadrangulare J.J.Sm. 1911
 * Bulbophyllum quadrialatum H.Perrier 1939
 * Bulbophyllum quadricarinum Kores 1989
 * Bulbophyllum quadricaudatum J.J.Sm. 1911
 * Bulbophyllum quadrichaete Schltr. 1913
 * Bulbophyllum quadrifalciculatum J.J.Sm. 1929
 * Bulbophyllum quadrifarium Rolfe 1903
 * Bulbophyllum quadrisetum Lindl. 1843
 * Bulbophyllum quadrisubulatum J.J.Sm. 1929
 * Bulbophyllum quasimodo J.J.Verm. 1991
 * Bulbophyllum quinquelobum Schltr. 1913

R

 * Bulbophyllum radicans F.M.Bailey 1897 – striped pyjama orchid
 * Bulbophyllum ramulicola Schuit. & de Vogel 2002
 * Bulbophyllum ranomafanae Bosser & P.J.Cribb 2001
 * Bulbophyllum rariflorum J.J.Sm. 1908
 * Bulbophyllum rarum Schltr. 1913
 * Bulbophyllum raskotii J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum rauhii Toill.-Gen. & Bosser 1961
 * Bulbophyllum rauhii var. andranobeense Bosser 1971
 * Bulbophyllum rauhii var. rauhii
 * Bulbophyllum raui Arora (1969 publ. 1972)
 * Bulbophyllum ravanii Cootes (2011)
 * Bulbophyllum reclusum Seidenf. 1995
 * Bulbophyllum rectilabre J.J.Sm. 1912
 * Bulbophyllum recurviflorum J.J.Sm. 1903
 * Bulbophyllum recurvilabre Garay 1999
 * Bulbophyllum reductum J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum reevei J.J.Verm. 1992
 * Bulbophyllum reflexiflorum H.Perrier 1937
 * Bulbophyllum reflexiflorum subsp. pogonochilum (Summerh.) Bosser 2000
 * Bulbophyllum reflexiflorum subsp. reflexiflorum
 * Bulbophyllum refractilingue J.J.Sm. 1931
 * Bulbophyllum refractum (Zoll.) Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum reginaldoi Campacci (2009)
 * Bulbophyllum regnellii Rchb.f. 1850
 * Bulbophyllum reichenbachianum Kraenzl. 1893
 * Bulbophyllum reichenbachii (Kuntze) Schltr. 1915
 * Bulbophyllum reifii Sieder & Kieh (2009)
 * Bulbophyllum remiferum Carr 1933
 * Bulbophyllum remotifolium (Fukuy.) K.Nakaj. (1973)
 * Bulbophyllum renipetalum Schltr. 1913
 * Bulbophyllum renkinianum (Laurent) De Wild. 1921
 * Bulbophyllum repens Griff. 1851
 * Bulbophyllum reptans (Lindl.) Lindl. in N.Wallich 1829
 * Bulbophyllum restrepia (Ridl.) Ridl. 1893
 * Bulbophyllum resupinatum Ridl. 1887
 * Bulbophyllum resupinatum var. filiforme (Kraenzl.) J.J.Verm. 1986
 * Bulbophyllum resupinatum var. resupinatum
 * Bulbophyllum reticulatum Bateman ex Hook.f. 1866
 * Bulbophyllum retrorsum J.J.Verm. & A.L.Lamb (2008)
 * Bulbophyllum retusiusculum Rchb.f. 1869
 * Bulbophyllum rheedei Manilal & Sath.Kumar 1991
 * Bulbophyllum rheophyton J.J.Verm. & Tsukaya (2011)
 * Bulbophyllum rhizomatosum Ames & C.Schweinf. in O.Ames 1920
 * Bulbophyllum rhodoglossum Schltr. 1913
 * Bulbophyllum rhodoleucum Schltr. 1913
 * Bulbophyllum rhodoneuron Schltr. 1913
 * Bulbophyllum rhodophyllum J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum rhodosepalum Schltr. 1901
 * Bulbophyllum rhodostachys Schltr. 1916
 * Bulbophyllum rhomboglossum Schltr. 1913
 * Bulbophyllum rhopaloblepharon Schltr. 1913
 * Bulbophyllum rhopalophorum Schltr. 1913
 * Bulbophyllum rhynchoglossum Schltr. 1910
 * Bulbophyllum rictorium Schltr. (1925)
 * Bulbophyllum rienanense H.Perrier 1937
 * Bulbophyllum rigidifilum J.J.Sm. 1920
 * Bulbophyllum rigidipes Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum rigidum King & Pantl. 1895
 * Bulbophyllum rimannii (Rchb.f.) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum riparium J.J.Sm. 1929
 * Bulbophyllum rivulare Schltr. 1913
 * Bulbophyllum rolfei (Kuntze) Seidenf. 1979
 * Bulbophyllum romburghii J.J.Sm. 1907
 * Bulbophyllum romyi B.Thoms (2015)
 * Bulbophyllum roraimense Rolfe 1896
 * Bulbophyllum rosemarianum Sath.Kumar 2001
 * Bulbophyllum roseopictum J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum roseopunctatum Schltr. 1913
 * Bulbophyllum roseum Ridl. (1896)
 * Bulbophyllum rostriceps Rchb.f. 1878
 * Bulbophyllum rothschildianum (O'Brien) J.J.Sm. 1912: Rothschild's Bulbophyylum
 * Bulbophyllum roxburghii (Lindl.) Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum rubiferum J.J.Sm. 1918
 * Bulbophyllum rubiginosum Schltr. 1925
 * Bulbophyllum rubipetalum P.Royen 1979
 * Bulbophyllum rubrigemmum Hermans (2007)
 * Bulbophyllum rubroguttatum Seidenf. 1985
 * Bulbophyllum rubrolabellum T.P.Lin 1975
 * Bulbophyllum rubrolabium Schltr. 1916
 * Bulbophyllum rubrolineatum Schltr. 1923
 * Bulbophyllum rubrolingue Cootes & Boos (2015)
 * Bulbophyllum rubromaculatum W.Kittr. (1984 publ. 1985).
 * Bulbophyllum rubrum Jum. & H.Perrier 1912
 * Bulbophyllum rubusioides Naive, M.Leon & Cootes (2017)
 * Bulbophyllum ruficaudatum Ridl. 1910
 * Bulbophyllum rufilabrum C.S.P.Parish ex Hook.f. 1890
 * Bulbophyllum rufinum Rchb.f. 1881
 * Bulbophyllum ruginosum H.Perrier (1937)
 * Bulbophyllum rugosibulbum Summerh. 1960
 * Bulbophyllum rugosisepalum Seidenf. 1979
 * Bulbophyllum rugosum Ridl. 1897
 * Bulbophyllum rugulosum J.J.Sm. 1935
 * Bulbophyllum rupicola Barb.Rodr. 1877
 * Bulbophyllum rutenbergianum Schltr. 1924
 * Bulbophyllum rutilans J.J.Verm. & A.L.Lamb, (2008)
 * Bulbophyllum rutiliflorum J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum rysyanum Roeth (2007)

S

 * Bulbophyllum saccoglossum J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum saccolabioides J.J.Sm. 1929
 * Bulbophyllum sagemuelleri R.Bustam. & Kindler (2015)
 * Bulbophyllum salaccense Rchb.f. 1857
 * Bulbophyllum salmoneum Aver. & J.J.Verm. (2012)
 * Bulbophyllum saltatorium Lindl. 1837: Dancing Bulbophyllum
 * Bulbophyllum saltatorium var. albociliatum (Finet) J.J.Verm. 1986
 * Bulbophyllum saltatorium var. calamarium (Lindl.) J.J.Verm. 1986
 * Bulbophyllum saltatorium var. saltatorium
 * Bulbophyllum salmoneum Aver. & J.J.Verm. (2012)
 * Bulbophyllum sambiranense Jum. & H.Perrier 1912
 * Bulbophyllum samoanum Schltr. 1911: Samoan Bulbophyllum
 * Bulbophyllum sanderianum Rolfe 1893
 * Bulbophyllum sandersonii (Hook.f.) Rchb.f. 1878
 * Bulbophyllum sandersonii subsp. sandersonii
 * Bulbophyllum sandersonii subsp. stenopetalum (Kraenzl.) J.J.Verm. 1986
 * Bulbophyllum sandrangatense Bosser 1965
 * Bulbophyllum sangae Schltr. 1905
 * Bulbophyllum sanguineomaculatum Ridl. (1896)
 * Bulbophyllum sanguineopunctatum Seidenf. & A.D.Kerr (1973 publ. 1974)
 * Bulbophyllum sanguineum H.Perrier 1937
 * Bulbophyllum sanitii Seidenf. 1970
 * Bulbophyllum sannio J.J.Verm. (2008)
 * Bulbophyllum santoense J.J.Verm. 1993
 * Bulbophyllum santosii Ames 1915: Santos' Bulbophyllum
 * Bulbophyllum sapphirinum Ames 1915
 * Bulbophyllum sarasinorum Schltr. 1925
 * Bulbophyllum sarawaketense (P.Royen) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum sarcanthiforme Ridl. 1916
 * Bulbophyllum sarcochilum J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum sarcodanthum Schltr. 1913
 * Bulbophyllum sarcophylloides Garay, Hamer & Siegerist 1994: Sarcophyllum-like Bulbophyllum
 * Bulbophyllum sarcophyllum (King & Pantl.) J.J.Sm. 1912: Fleshy Red-leafed Bulbophyllum
 * Bulbophyllum sarcorhachis Schltr. 1918
 * Bulbophyllum sarcorhachis var. befaonense (Schltr.) H.Perrier 1937
 * Bulbophyllum sarcorhachis var. flavomarginatum H.Perrier ex Hermans (2007)
 * Bulbophyllum sarcorhachis var. sarcorhachis
 * Bulbophyllum sarcoscapum Teijsm. & Binn. 1867
 * Bulbophyllum saronae Garay 1999
 * Bulbophyllum sasakii (Hayata) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum sauguetiense Schltr. 1913
 * Bulbophyllum saurocephalum Rchb.f. 1886
 * Bulbophyllum saurocephalum subsp. oncoglossum W.Suarez (2011)
 * Bulbophyllum saurocephalum subsp. saurocephalum
 * Bulbophyllum savaiense Schltr. 1911
 * Bulbophyllum savaiense subsp. gorumense (Schltr.) J.J.Verm. 1993
 * Bulbophyllum savaiense subsp. savaiense
 * Bulbophyllum savaiense subsp. subcubicum (J.J.Sm.) J.J.Verm. 1993
 * Bulbophyllum sawiense J.J.Sm. 1912
 * Bulbophyllum scaberulum (Rolfe) Bolus 1889: Slightly-roughened Bulbophyllum
 * Bulbophyllum scaberulum var. crotalicaudatum J.J.Verm. 1987
 * Bulbophyllum scaberulum var. fuerstenbergianum (De Wild.) J.J.Verm. 1986
 * Bulbophyllum scaberulum var. scaberulum
 * Bulbophyllum scabratum Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum scabrum J.J.Verm. & A.L.Lamb 1988
 * Bulbophyllum scaphiforme J.J.Verm. 2002
 * Bulbophyllum scaphioglossum J.J.Verm. & Rysy, (2014)
 * Bulbophyllum scaphosepalum Ridl. 1916
 * Bulbophyllum scariosum Summerh. 1953
 * Bulbophyllum sceliphron J.J.Verm. 1991
 * Bulbophyllum schaiblei Cootes & Naive (2017)
 * Bulbophyllum schefferi (Kuntze) Schltr. 1915
 * Bulbophyllum schillerianum Rchb.f. 1860: Schiller's Bulbophyllum
 * Bulbophyllum schimperianum Kraenzl. 1902
 * Bulbophyllum schinzianum Kraenzl. 1899
 * Bulbophyllum schinzianum var. irigaleae (P.J.Cribb & Pérez-Vera) J.J.Verm. 1987
 * Bulbophyllum schinzianum var. phaeopogon (Schltr.) J.J.Verm. 1986
 * Bulbophyllum schinzianum var. schinzianum
 * Bulbophyllum schistopetalum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum schizopetalum L.O.Williams 1946
 * Bulbophyllum schmidii Garay 1999: Schmid's Bulbophyllum
 * Bulbophyllum schmidtianum Rchb.f. 1865
 * Bulbophyllum schuitemanii J.J.Verm. (2008)
 * Bulbophyllum schwarzii Sieder & Kiehn (2010 publ. 2011).
 * Bulbophyllum sciaphile Bosser 1965
 * Bulbophyllum scintilla Ridl. 1908
 * Bulbophyllum scopa J.J.Verm. 1990
 * Bulbophyllum scopula Schltr. 1913
 * Bulbophyllum scorpio J.J.Verm. (2008)
 * Bulbophyllum scrobiculilabre J.J.Sm. 1914
 * Bulbophyllum scutiferum J.J.Verm. 1993
 * Bulbophyllum scyphochilus Schltr. 1912
 * Bulbophyllum seabrense Campacci (2008)
 * Bulbophyllum secundum Hook.f. 1890
 * Bulbophyllum seidenfadenii A.D.Kerr (1973)
 * Bulbophyllum semiasperum J.J.Sm. 1934
 * Bulbophyllum semiindutum J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum semiteres Schltr. 1913
 * Bulbophyllum semiteretifolium Gagnep. 1930
 * Bulbophyllum semperflorens J.J.Sm. 1907
 * Bulbophyllum sempiternum Ames 1920
 * Bulbophyllum senghasii G.A.Fisch. & Sieder (2009)
 * Bulbophyllum sensile Ames 1915
 * Bulbophyllum sepikense W.Kittr. (1984 publ. 1985)
 * Bulbophyllum septatum Schltr. 1924
 * Bulbophyllum septemtrionale (J.J.Sm.) J.J.Sm. 1913
 * Bulbophyllum serra Schltr. 1913: Toothed Bulbophyllum
 * Bulbophyllum serratotruncatum Seidenf. (1973 publ. 1974)
 * Bulbophyllum serripetalum Schltr. 1923
 * Bulbophyllum serrulatifolium J.J.Sm. 1929
 * Bulbophyllum serrulatum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum setaceum T.P.Lin 1975: Bristly Bulbophyllum
 * Bulbophyllum setigerum Lindl. 1838
 * Bulbophyllum setilabium Aver. (2017)
 * Bulbophyllum setuliferum J.J.Verm. & Saw 2000
 * Bulbophyllum shanicum King & Pantl. 1897
 * Bulbophyllum shepherdii (F.Muell.) Rchb.f. 1871 – wheat-leaf rope orchid
 * Bulbophyllum shweliense W.W.Sm. 1921
 * Bulbophyllum sibuyanense Ames 1912
 * Bulbophyllum sicyobulbon C.S.P.Parish & Rchb.f. 1874
 * Bulbophyllum siederi Garay 1999: Sieder's Bulbophyllum
 * Bulbophyllum sigaldiae Guillaumin 1955
 * Bulbophyllum sigmoideum Ames & C.Schweinf. in O.Ames 1920
 * Bulbophyllum signatum J.J.Verm. 1996
 * Bulbophyllum sikapingense J.J.Sm. 1920
 * Bulbophyllum silentvalliensis M.P.Sharma & S.K.Srivast. 1993
 * Bulbophyllum sillemianum Rchb.f. 1884
 * Bulbophyllum simii J.J.Verm. & A.L.Lamb (2008)
 * Bulbophyllum simile Schltr.1913
 * Bulbophyllum similissimum J.J.Verm. 1991
 * Bulbophyllum simmondsii Kores 1989
 * Bulbophyllum simondii Gagnep. 1950
 * Bulbophyllum simplex J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum simplicilabellum Seidenf. 1979
 * Bulbophyllum simulacrum Ames 1915
 * Bulbophyllum sinapis J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum singaporeanum Schltr. 1911
 * Bulbophyllum singulare Schltr. 1913
 * Bulbophyllum sinhoense Aver. (2007)
 * Bulbophyllum skeatianum Ridl. 1915
 * Bulbophyllum smileiphyllum J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum smithianum Schltr. 1911
 * Bulbophyllum smitinandii Seidenf. & Thorut 1996
 * Bulbophyllum socordine J.J.Verm. & Cootes (2008)
 * Bulbophyllum soidaoense (Seidenf.) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum solteroi R.González 1992
 * Bulbophyllum somae Hayata (1920)
 * Bulbophyllum sopoetanense Schltr. 1911: Mt. Sopoetan Bulbophyllum
 * Bulbophyllum sordidum Lindl. 1840
 * Bulbophyllum sororculum J.J.Verm. 2002
 * Bulbophyllum spadiciflorum Tixier 1966
 * Bulbophyllum spaniostagon J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum spathilingue J.J.Sm. 1908
 * Bulbophyllum spathipetalum J.J.Sm. 1908
 * Bulbophyllum spathulatum (Rolfe ex E.Cooper) Seidenf. 1970
 * Bulbophyllum speciosum Schltr. 1912
 * Bulbophyllum sphaenopus J.J.Verm. (2008)
 * Bulbophyllum sphaeracron Schltr. 1913
 * Bulbophyllum sphaericum Z.H.Tsi & H.Li 1981
 * Bulbophyllum sphaerobulbum H.Perrier 1937
 * Bulbophyllum spissum J.J.Verm. 1996
 * Bulbophyllum spodotriche J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum spongiola J.J.Verm. 1996
 * Bulbophyllum stabile J.J.Sm. 1911
 * Bulbophyllum staetophyton J.J.Verm. (2008)
 * Bulbophyllum stalagmotelos J.J.Verm. (2008)
 * Bulbophyllum stelis J.J.Sm. 1927
 * Bulbophyllum stellatum Ames 1912
 * Bulbophyllum stellula Ridl. 1916
 * Bulbophyllum stellulamontis J.J.Verm. & A.L.Lamb (2013)
 * Bulbophyllum stemonochilum J.J.Verm. (2008)
 * Bulbophyllum stenobulbon C.S.P.Parish & Rchb.f. 1874: Slender-bulbed Bulbophyllum
 * Bulbophyllum stenochilum Schltr. 1913
 * Bulbophyllum stenomeris J.J.Verm. & P.O'Byrne (2008).
 * Bulbophyllum stenophyllum C.S.P.Parish & Rchb.f. 1874
 * Bulbophyllum stenophyton (Garay & W.Kittr.)
 * Bulbophyllum stenorhopalon Schltr. 1921
 * Bulbophyllum stenuroides J.J.Verm. & P.O'Byrne (2011)
 * Bulbophyllum stenurum J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum sterile (Lam.) Suresh in D.H.Nicolson, C.R.Suresh & K.S.Manilal 1988
 * Bulbophyllum steyermarkii Foldats 1968
 * Bulbophyllum stictanthum Schltr. 1913
 * Bulbophyllum stictosepalum Schltr. 1913
 * Bulbophyllum stipitatibulbum J.J.Sm. 1931
 * Bulbophyllum stipulaceum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum stockeri J.J.Verm. (2008)
 * Bulbophyllum stocksii (Benth. ex Hook.f.) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum stolleanum Schltr. 1923
 * Bulbophyllum stolzii Schltr. 1915
 * Bulbophyllum stormii J.J.Sm. 1907
 * Bulbophyllum streptomorphum J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum streptotriche J.J.Verm. 1991
 * Bulbophyllum striatellum Ridl. 1890
 * Bulbophyllum striatulum Aver. (2016)
 * Bulbophyllum striatum (Griff.) Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum strigosum (Garay) Sieder & Kiehn (2009)
 * Bulbophyllum stylocoryphe J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum suavissimum Rolfe 1889
 * Bulbophyllum subaequale Ames 1923
 * Bulbophyllum subapetalum J.J.Sm. 1915
 * Bulbophyllum subapproximatum H.Perrier 1937
 * Bulbophyllum subbullatum J.J.Verm. 1996
 * Bulbophyllum subclausum J.J.Sm. 1909
 * Bulbophyllum subclavatum Schltr. 1925
 * Bulbophyllum subcrenulatum Schltr. 1925
 * Bulbophyllum subligaculiferum J.J.Verm. 1987
 * Bulbophyllum submarmoratum J.J.Sm. 1918
 * Bulbophyllum subpatulum J.J.Verm. 2002
 * Bulbophyllum subsecundum Schltr. 1916
 * Bulbophyllum subsessile Schltr. 1924
 * Bulbophyllum subtrilobatum Schltr. 1913
 * Bulbophyllum subumbellatum Ridl. 1896
 * Bulbophyllum succedaneum J.J.Sm. 1927
 * Bulbophyllum sukhakulii Seidenf. 1995
 * Bulbophyllum sulcatum (Blume) Lindl. 1830
 * Bulbophyllum sulfureum Schltr. 1924
 * Bulbophyllum sunipia J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum superfluum Kraenzl. 1929
 * Bulbophyllum surigaense Ames & Quisumb. (1933 publ. 1934)
 * Bulbophyllum sutepense (Rolfe ex Downie) Seidenf. & Smitinand 1961

T

 * Bulbophyllum taeniophyllum C.S.P.Parish & Rchb.f. 1874
 * Bulbophyllum taeter J.J.Verm. 1996
 * Bulbophyllum tahanense Carr 1930
 * Bulbophyllum tahitense Nadeaud 1873
 * Bulbophyllum tahitense subsp. butaudianum Marg. (2012)
 * Bulbophyllum tahitense subsp. tahitense
 * Bulbophyllum taiwanense (Fukuy.) K.Nakaj. 1973
 * Bulbophyllum takeuchii (Howcroft) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum talauense (J.J.Sm.) Carr 1932
 * Bulbophyllum tampoketsense H.Perrier 1937
 * Bulbophyllum tanystiche J.J.Verm. 1993
 * Bulbophyllum tapeinophyton J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum tarantula Schuit. & de Vogel (2005)
 * Bulbophyllum tardeflorens Ridl. 1896
 * Bulbophyllum tectipes J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum tectipetalum J.J.Sm. 1929
 * Bulbophyllum teimosense E.C.Smidt & Borba (2009)
 * Bulbophyllum teinophyllum J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum tekuense Carr 1930
 * Bulbophyllum tengchongense Z.H.Tsi 1989
 * Bulbophyllum tentaculatum Schltr. 1913
 * Bulbophyllum tentaculiferum Schltr. 1913
 * Bulbophyllum tenue Schltr. 1913
 * Bulbophyllum tenuifolium (Blume) Lindl. 1830
 * Bulbophyllum tenuipes Schltr. 1913
 * Bulbophyllum tenuislinguae T.P.Lin & Shu H.Wu (2012)
 * Bulbophyllum teretibulbum H.Perrier 1937
 * Bulbophyllum teretifolium Schltr. 1905
 * Bulbophyllum teretilabre J.J.Sm. 1913
 * Bulbophyllum terrestre (J.J.Sm.) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum tetragonum Lindl. 1830
 * Bulbophyllum thaiorum J.J.Sm. 1912
 * Bulbophyllum thecanthum J.J.Verm. (2008)
 * Bulbophyllum theiochromum J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum theioglossum Schltr. 1913
 * Bulbophyllum thelantyx J.J.Verm. 1993
 * Bulbophyllum therezienii Bosser 1971
 * Bulbophyllum thersites J.J.Verm. 1993
 * Bulbophyllum theunissenii J.J.Sm. 1920
 * Bulbophyllum thiurum J.J.Verm. & P.O'Byrne (2005)
 * Bulbophyllum thompsonii Ridl. 1885
 * Bulbophyllum thrixspermiflorum J.J.Sm. 1908
 * Bulbophyllum thrixspermoides J.J.Sm. 1912
 * Bulbophyllum thwaitesii Rchb.f. 1874
 * Bulbophyllum thymophorum J.J.Verm. & A.L.Lamb 1988
 * Bulbophyllum tianguii K.Y.Lang & D.Luo (2007)
 * Bulbophyllum tigridum Hance (1883)
 * Bulbophyllum tindemansianum J.J.Verm., de Vogel & A.Vogel (2010)
 * Bulbophyllum tinekeae Schuit. & de Vogel (2005)
 * Bulbophyllum tipula Aver. (2016)
 * Bulbophyllum titanea Ridl. 1908
 * Bulbophyllum tixieri Seidenf. 1992
 * Bulbophyllum toilliezae Bosser 1965
 * Bulbophyllum tokioi Fukuy. 1935
 * Bulbophyllum toppingii Ames (1913 publ. 1914)
 * Bulbophyllum torajarum J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum toranum J.J.Sm. 1912
 * Bulbophyllum torquatum J.J.Sm. 1929
 * Bulbophyllum torricellense Schltr. 1913
 * Bulbophyllum tortum Schltr. 1913
 * Bulbophyllum tortuosum (Blume) Lindl. 1830
 * Bulbophyllum tothastes J.J.Verm. (1991)
 * Bulbophyllum trachyanthum Kraenzl. 1894
 * Bulbophyllum trachybracteum Schltr. 1913
 * Bulbophyllum trachyglossum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum trachypus Schltr. 1913
 * Bulbophyllum translucidum Kindler, R.Bustam. & Ferreras (2016)
 * Bulbophyllum tremulum Wight 1851
 * Bulbophyllum treschii Jenny (2012)
 * Bulbophyllum triadenium (Lindl.) Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum triaristella Schltr. 1913
 * Bulbophyllum tricanaliferum J.J.Sm. 1913
 * Bulbophyllum tricarinatum Petch 1923
 * Bulbophyllum tricaudatum J.J.Verm. (2008)
 * Bulbophyllum trichaete Schltr. 1913
 * Bulbophyllum trichochlamys H.Perrier 1937
 * Bulbophyllum trichorhachis J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum trichromum Schltr. 1923
 * Bulbophyllum triclavigerum J.J.Sm. 1913
 * Bulbophyllum tricolor L.B.Sm. & S.K.Harris 1936
 * Bulbophyllum tricorne Seidenf. & Smitinand 1965
 * Bulbophyllum tricornoides Seidenf. 1979
 * Bulbophyllum tridentatum Kraenzl. 1901: Three-toothed Bulbophyllum
 * Bulbophyllum trifarium Rolfe 1910
 * Bulbophyllum trifilum J.J.Sm. 1908
 * Bulbophyllum trifilum subsp. filisepalum (J.J.Sm.) J.J.Verm. (2002 publ. 2003)
 * Bulbophyllum trifilum subsp. trifilum
 * Bulbophyllum triflorum (Breda) Blume 1828
 * Bulbophyllum trifolium Ridl. 1897
 * Bulbophyllum trigonidioides J.J.Sm. 1935
 * Bulbophyllum trigonobulbum Schltr. & J.J.Sm. 1914
 * Bulbophyllum trigonocarpum Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905
 * Bulbophyllum trigonopus (Rchb.f.) P.T.Ong (2017)
 * Bulbophyllum trigonosepalum Kraenzl. (1921)
 * Bulbophyllum trilineatum H.Perrier 1937
 * Bulbophyllum trimenii (Hook.f.) J.J.Sm. 1912
 * Bulbophyllum trinervium J.J.Sm. 1935
 * Bulbophyllum trineuron J.J.Verm. & A.L.Lamb (2013)
 * Bulbophyllum tripetalum Lindl. 1842
 * Bulbophyllum tripudians C.S.P.Parish & Rchb.f. 1875
 * Bulbophyllum trirhopalon Schltr. 1913
 * Bulbophyllum triste Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum tristelidium W.Kittr. (1984 publ. 1985)
 * Bulbophyllum tristriatum Carr (1930)
 * Bulbophyllum triviale Seidenf. 1979
 * Bulbophyllum tropidopous J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum trulliferum J.J.Verm. & A.L.Lamb 1994
 * Bulbophyllum truncatum J.J.Sm. 1913
 * Bulbophyllum tryssum J.J.Verm. & A.L.Lamb 1994
 * Bulbophyllum tseanum (S.Y.Hu & Barretto) Z.H.Tsi 1999
 * Bulbophyllum tsekourioides M.Leon, Naive & Cootes (2017)
 * Bulbophyllum tsii J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum tuberculatum Colenso 1884
 * Bulbophyllum tubilabrum J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum tumidum J.J.Verm. 1991
 * Bulbophyllum tumoriferum Schltr. 1913
 * Bulbophyllum turgidum J.J.Verm. 1991
 * Bulbophyllum turkii Bosser & P.J.Cribb 2001
 * Bulbophyllum turpe J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum tylophorum Schltr. 1911

U

 * Bulbophyllum uhl-gabrielianum Chiron & V.P.Castro (2009)
 * Bulbophyllum umbellatum Lindl. 1830: Umbrella Bulbophyllum
 * Bulbophyllum umbellatum var. fuscescens (Hook.f.) P.K.Sarkar 1984
 * Bulbophyllum umbellatum var. umbellatum
 * Bulbophyllum uncinatum J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum unciniferum Seidenf. 1973
 * Bulbophyllum undatilabre J.J.Sm. 1912
 * Bulbophyllum undecifilum J.J.Sm. 1927
 * Bulbophyllum unguiculatum Rchb.f. 1850
 * Bulbophyllum unguilabium Schltr. 1913
 * Bulbophyllum unicaudatum Schltr. 1913
 * Bulbophyllum unicaudatum var. unicaudatum
 * Bulbophyllum unicaudatum var. xanthosphaerum Schltr. 1913
 * Bulbophyllum uniflorum (Blume) Hassk. 1844
 * Bulbophyllum unifoliatum De Wild. 1921
 * Bulbophyllum unifoliatum subsp. flectens (P.J.Cribb & P.Taylor) J.J.Verm. 1987
 * Bulbophyllum unifoliatum subsp. infracarinatum (G.Will.) J.J.Verm. 1987
 * Bulbophyllum unifoliatum subsp. unifoliatum
 * Bulbophyllum unitubum J.J.Sm. 1929
 * Bulbophyllum univenum J.J.Verm. 1993
 * Bulbophyllum upupops J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum urceolatum A.D.Hawkes 1952
 * Bulbophyllum uroglossum Schltr. 1921
 * Bulbophyllum uroplatoides Hermans & G.A.Fisch. (2009)
 * Bulbophyllum urosepalum Schltr. 1913
 * Bulbophyllum ustusfortiter J.J.Verm. 1993
 * Bulbophyllum uviflorum P.O'Byrne 1999

V

 * Bulbophyllum vaccinioides Schltr. 1913
 * Bulbophyllum vagans Ames & Rolfe 1907
 * Bulbophyllum vaginatum (Lindl.) Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum vakonae Hermans (2007)
 * Bulbophyllum valeryi J.J.Verm. & P.O'Byrne 2003
 * Bulbophyllum validum Carr 1933
 * Bulbophyllum vanroyenii J.J.Verm., Schuit. & de Vogel, (2014)
 * Bulbophyllum vanum J.J.Verm. 1984
 * Bulbophyllum vanvuurenii J.J.Sm. 1917
 * Bulbophyllum vareschii Foldats 1968
 * Bulbophyllum variculosum J.J.Verm. (2008)
 * Bulbophyllum variegatum Thouars 1822
 * Bulbophyllum veitchianum Garay ex W.E.Higgins (2009)
 * Bulbophyllum veldkampii J.J.Verm. & P.O'Byrne (2011)
 * Bulbophyllum ventriosum H.Perrier 1937
 * Bulbophyllum venulosum J.J.Verm. & A.L.Lamb (2008)
 * Bulbophyllum vermiculare Hook.f. 1890
 * Bulbophyllum verruciferum Schltr. 1913
 * Bulbophyllum verruciferum var. carinatisepalum Schltr. 1913
 * Bulbophyllum verruciferum var. verruciferum
 * Bulbophyllum verrucosum (L.O.Williams) J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum verruculatum Schltr. 1913
 * Bulbophyllum verruculiferum H.Perrier 1951
 * Bulbophyllum versteegii J.J.Sm. 1908
 * Bulbophyllum vesiculosum J.J.Sm. 1917
 * Bulbophyllum vespertilio Ferreras & Cootes (2010)
 * Bulbophyllum vestigipetalum J.J.Verm. & A.L.Lamb (2013)
 * Bulbophyllum vestitum Bosser 1971
 * Bulbophyllum vestitum var. meridionale Bosser 1971
 * Bulbophyllum vestitum var. vestitum
 * Bulbophyllum vexillarium Ridl. 1916
 * Bulbophyllum vietnamense Seidenf. 1975
 * Bulbophyllum viguieri Schltr. 1922
 * Bulbophyllum violaceolabellum Seidenf. 1981
 * Bulbophyllum violaceum (Blume) Lindl. 1830
 * Bulbophyllum virens (Lindl.) Hook.f. (1890)
 * Bulbophyllum viridescens Ridl. (1908)
 * Bulbophyllum viridiflorum (Hook.f.) Schltr. 1910
 * Bulbophyllum vitellinum Ridl. 1897
 * Bulbophyllum vittatum Teijsm. & Binn. 1862
 * Bulbophyllum vulcanicum Kraenzl. 1914
 * Bulbophyllum vulcanorum H.Perrier 1938
 * Bulbophyllum vutimenaense B.A.Lewis 1992

W

 * Bulbophyllum wadsworthii Dockrill 1964 – yellow rope orchid
 * Bulbophyllum wagneri Schltr. 1921
 * Bulbophyllum wakoi Howcroft 1999
 * Bulbophyllum wallichii Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum wangkaense Seidenf. 1979
 * Bulbophyllum warianum Schltr. 1913
 * Bulbophyllum weberbauerianum Kraenzl. 1905
 * Bulbophyllum weberi Ames 1912
 * Bulbophyllum wechsbergii Sieder & Kiehn (2009)
 * Bulbophyllum weddelii (Lindl.) Rchb.f. in W.G.Walpers 1861: Weddel's Bulbophyllum
 * Bulbophyllum weinthalii R.S.Rogers 1933: Weinthal's Bulbophyllum
 * Bulbophyllum weinthalii subsp. striatum D.L.Jones 2001
 * Bulbophyllum weinthalii subsp. weinthalii
 * Bulbophyllum wendlandianum (Kraenzl.) J.J.Sm. 1912
 * Bulbophyllum werneri Schltr. 1913
 * Bulbophyllum wightii Rchb.f. in W.G.Walpers 1861
 * Bulbophyllum wilkianum T.E.Hunt 1947
 * Bulbophyllum williamsii A.D.Hawkes 1956
 * Bulbophyllum windsorense B.Gray & D.L.Jones 1989 – thread-tipped rope orchid
 * Bulbophyllum woelfliae Garay, Senghas & K.Lemcke 1996
 * Bulbophyllum wolfei B.Gray & D.L.Jones 1991 – fleshy snake orchid
 * Bulbophyllum wollastonii Ridl. 1916
 * Bulbophyllum wrayi Hook.f. 1890
 * Bulbophyllum wuzhishanense X.H.Jin (2005)

X

 * Bulbophyllum xantanthum Schltr. 1911
 * Bulbophyllum xanthoacron J.J.Sm. 1911
 * Bulbophyllum xanthobulbum Schltr. 1918
 * Bulbophyllum xanthochlamys Schltr. 1913
 * Bulbophyllum xanthochloron J.J.Verm. (2014)
 * Bulbophyllum xanthomelanon J.J.Verm. & P.O'Byrne (2008)
 * Bulbophyllum xanthophaeum Schltr. 1913
 * Bulbophyllum xanthornis Schuit. & de Vogel 2002
 * Bulbophyllum xanthotes Schltr. 1913
 * Bulbophyllum xanthum Ridl. 1920
 * Bulbophyllum xenosum J.J.Verm. 1996
 * Bulbophyllum xiajinchuangense Z.J.Liu, L.J.Chen & W.H.Rao (2010)
 * Bulbophyllum xiphion J.J.Verm. 1996
 * Bulbophyllum xylinopus J.J.Verm., P.O'Byrne & A.L.Lamb (2015)
 * Bulbophyllum xylophyllum C.S.P.Parish & Rchb.f. 1874
 * Bulbophyllum xyphoglossum J.J.Verm., de Vogel & A.Vogel (2010)

Y

 * Bulbophyllum yingjiangense B.M.Wang & J.W.Zhai (2017)
 * Bulbophyllum yoksunense J.J.Sm. 1912
 * Bulbophyllum yunnanense Rolfe 1901

Z

 * Bulbophyllum zambalense Ames 1912
 * Bulbophyllum zamboangense Ames (1913 publ. 1914)
 * Bulbophyllum zaratananae Schltr. 1924
 * Bulbophyllum zaratananae subsp. disjunctum H.Perrier ex Herman (2007)
 * Bulbophyllum zaratananae subsp. zaratananae
 * Bulbophyllum zebrinum J.J.Sm. 1911
 * Bulbophyllum zophyranthum J.J.Verm., Schuit. & de Vogel (2014)
 * Bulbophyllum zygochilum J.J.Verm. (2008)