石豆兰属

**石豆蘭屬**（學名：_Bulbophyllum_）是蘭科下的一個屬，為附生蘭。該屬共有超過 2200 種，是蘭科最大屬，被子植物的第二大屬。分布於熱帶地區的非洲，南亞洲，拉丁美洲，西印度群島，印度洋和太平洋的各個島嶼。

## 物種列表

### 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
* 赤唇石豆蘭 _Bulbophyllum affine_ Wall. ex Lindl. 1830: Similar Bulbophyllum，紋星蘭
* _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
* 白毛捲瓣蘭 _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
* 芳香石豆蘭 _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)
* 毛唇石豆蘭 _Bulbophyllum barbigerum_ Lindl. 1837: Bearded Bulbophyllum
* _Bulbophyllum bariense_ Gagnep. 1930: Bari Bulbophyllum
* _Bulbophyllum baronii_ Ridl. 1885
* 基花石豆蘭 _Bulbophyllum basiflorum_ M.K.Li, J.P Deng & Y.Luo, 2023
* _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
* 二色石豆蘭 _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
* 團花石豆蘭 _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)
* 波密捲瓣蘭 _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
* 短序石豆蘭 _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
* 鏈狀石豆蘭 _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
* 尾萼捲瓣蘭 _Bulbophyllum caudatum_ Lindl. (1830).
* _Bulbophyllum caudipetalum_ J.J.Sm. 1913
* 莖花石豆蘭 _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
* 城口捲瓣蘭 _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
* 環唇石豆蘭 _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
* 短耳石豆蘭 _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
* 大苞石豆蘭 _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
* 直唇捲瓣蘭 _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)
* 狄氏捲瓣蘭 _Bulbophyllum dickasonii_ Seidenf. 1979
* _Bulbophyllum dictyoneuron_ Schltr. 1913
* 普洱石豆蘭 _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
* 斯勒捲瓣蘭 _Bulbophyllum dresslerianum_ Z. D. Han & H. Wang
* _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
* 棘唇石豆蘭 _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
* 高莖捲瓣蘭 _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
* 匍莖捲瓣蘭 _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
* 小響尾蛇石豆蘭 _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
* 艷麗石豆蘭 _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
* 富寧捲瓣蘭 _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
* 香蕉石豆蘭 _Bulbophyllum graveolens_ (F.M.Bailey) J.J.Sm. 1912
* _Bulbophyllum gravidum_ Lindl. 1862
* 短齒石豆蘭 _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)
* 牯牛石豆蘭 _Bulbophyllum guniuensis_
* _Bulbophyllum gusdorfii_ J.J.Sm. 1917
* _Bulbophyllum guttatum_ Schltr. 1913
* _Bulbophyllum guttifilum_ Seidenf. 1996
* _Bulbophyllum guttulatoides_ Aver. (2005)
* 鑽齒捲瓣蘭 _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
* 錨齒捲瓣蘭 _Bulbophyllum hamatum_ Q. Yan, X.W. Li & J.Q. Wu
* _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
* 角萼捲瓣蘭 _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)
* 河南捲瓣蘭 _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)
* 瓶壺捲瓣蘭 _Bulbophyllum insulsum_
* _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
* 日本捲瓣蘭 _Bulbophyllum japonicum_ (Makino) Makino 1910，瘤唇捲瓣蘭
* _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
* 堪布里石豆蘭 _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
* 白花捲瓣蘭 _Bulbophyllum khaoyaiense_ Seidenf. 1970
* 卷苞石豆蘭 _Bulbophyllum khasyanum_ Griff. 1851
* _Bulbophyllum kiamfeeanum_ J.J.Verm. & P.O'Byrne (2008)
* _Bulbophyllum kieneri_ Bosser 1971
* 金氏石豆蘭 _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
* 觀霧豆蘭 _Bulbophyllum kuanwuense_ S.W.Chung & T.C.Hsu (2006)，也拼作 _Bulbophyllum kuanwuensis_
* _Bulbophyllum kubahense_ J.J.Verm. & A.L.Lamb (2011)
* _Bulbophyllum kupense_ P.J.Cribb & B.J.Pollard 2004
* _Bulbophyllum kusaiense_ Tuyama 1940
* 廣東石豆蘭 _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
* 樂東石豆蘭 _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
* 短葶石豆蘭 _Bulbophyllum leopardinum_ (Wall.) Lindl. in N.Wallich 1829: leopard-spotted bulbophyllum
* _Bulbophyllum lepantense_ Ames 1912
* _Bulbophyllum lepanthiflorum_ Schltr. 1913
* 美麗石豆蘭 _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
* 齒瓣石豆蘭 _Bulbophyllum levinei_
* _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
* 凌氏石豆蘭 _Bulbophyllum lingii_
* _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
* 長臂捲瓣蘭 _Bulbophyllum longibrachiatum_ Z.H.Tsi 1981
* _Bulbophyllum longibracteatum_ Seidenf. 1979
* 長花石豆蘭 _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
* 烏來捲瓣蘭 _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
* 中響尾蛇豆蘭 _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
* 紫紋捲瓣蘭 _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_
* 勐海石豆蘭 _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
* 鉤梗石豆蘭 _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)
* 密花石豆蘭 _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
* 毛藥捲瓣蘭 _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
* 麥穗石豆蘭 _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
* 卵葉石豆蘭 _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)
* 斑唇捲瓣蘭 _Bulbophyllum pecten-veneris_ (Gagnep.) Seidenf. (1973 publ. 1974):
* 長足石豆蘭 _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
* 五脈石豆蘭 _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
* 毛瓣捲瓣蘭 _Bulbophyllum pilopetalum_ M. K. Li, J. P. Deng & Y. Luo, 2023（西藏）
* _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)
* 屏東豆蘭 _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
* 扁莖石豆蘭 _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
* 紅辣椒石豆蘭 _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
* 錐莖石豆蘭 _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
* 滇南石豆蘭 _Bulbophyllum psittacoglossum_ Rchb.f. 1863
* _Bulbophyllum psychrophilum_ (F.Muell.) J.J.Verm., Schuit. & de Vogel (2014)
* 曲萼石豆蘭 _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
* 浙杭捲瓣蘭 _Bulbophyllum quadrangulum_
* _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
* 伏生石豆蘭 _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
* 美花捲瓣蘭 _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
* 紅心石豆蘭 _Bulbophyllum rubrolabellum_ T.P.Lin 1975，紅心豆蘭
* _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
* 皺掌捲瓣蘭 _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
* 鸛冠捲瓣蘭 _Bulbophyllum setaceum_ T.P.Lin 1975: Bristly Bulbophyllum
* _Bulbophyllum setigerum_ Lindl. 1838
* _Bulbophyllum setilabium_ Aver. (2017)
* _Bulbophyllum setuliferum_ J.J.Verm. & Saw 2000
* 二葉石豆蘭 _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)
* 紫瓣石豆蘭 _Bulbophyllum sonii_ Aver. & N.V.Duy，見於西藏
* _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
* 球莖捲瓣蘭 _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)
* 短足石豆蘭 _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
* 少花石豆蘭 _Bulbophyllum subparviflorum_
* _Bulbophyllum subpatulum_ J.J.Verm. 2002
* _Bulbophyllum subsecundum_ Schltr. 1916
* _Bulbophyllum subsessile_ Schltr. 1924
* _Bulbophyllum subtrilobatum_ Schltr. 1913
* 亞傘花捲瓣蘭 _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

* 帶葉捲瓣蘭 _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
* 小葉豆蘭 _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
* 擬雙葉捲瓣蘭 _Bulbophyllum tripudians_ C.S.P.Parish & Rchb.f. 1875
* _Bulbophyllum trirhopalon_ Schltr. 1913
* 球莖石豆蘭 _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)
* 傘花捲瓣蘭 _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
* 直立捲瓣蘭 _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
* 等萼捲瓣蘭 _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
* 雙葉捲瓣蘭 _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
* 大花豆蘭 _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

* 雅魯藏布江石豆蘭 _Bulbophyllum yarlungzangboense_ Jian W. Li, Xi L. Wang & X.H. Jin
* _Bulbophyllum yingjiangense_ B.M.Wang & J.W.Zhai (2017)
* _Bulbophyllum yoksunense_ J.J.Sm. 1912
* 蒙自石豆蘭 _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)

## 參考文獻

* 維基共享資源上的相關多媒體資源：石豆蘭屬