Species
species Bulbophyllum hymenanthum Hook.f.
species Bulbophyllum hymenobracteum Schltr.
species Bulbophyllum hymenochilum Kraenzl.
species Bulbophyllum hystricinum Schltr.
species Bulbophyllum ialibuense Ormerod
species Bulbophyllum iboense Schltr.
species Bulbophyllum ichthyosme J.J. Verm.
species Bulbophyllum icteranthum Schltr.
species Bulbophyllum idenburgense J.J. Sm.
species Bulbophyllum igneum J.J. Sm.
species Bulbophyllum ignevenosum Carr
species Bulbophyllum ignobile J.J. Sm.
species Bulbophyllum ikongoense H. Perrier
species Bulbophyllum illecebrum J.J. Verm. & P. O'Byrne
species Bulbophyllum illudens Ridl.
species Bulbophyllum imbricans J.J. Sm.
species Bulbophyllum imbricatum Lindl.
species Bulbophyllum imerinense Schltr.
species Bulbophyllum imitator J.J. Verm.
species Bulbophyllum impar Ridl.
species Bulbophyllum inaequale (Blume) Lindl.
species Bulbophyllum inaequisepalum Schltr.
species Bulbophyllum inauditum Schltr.
species Bulbophyllum incarum Kraenzl.
species Bulbophyllum inciferum J.J. Verm.
species Bulbophyllum incisilabrum J.J. Verm. & P. O'Byrne
species Bulbophyllum inclinatum J.J. Sm.
species Bulbophyllum incommodum Kores
species Bulbophyllum inconspicuum Maxim.
species Bulbophyllum incumbens Schltr.
species Bulbophyllum incurvum Thouars
species Bulbophyllum iners Rchb.f.
species Bulbophyllum infundibuliforme J.J. Sm.
species Bulbophyllum inhaiense V.P. Castro & K.G. Lacerda
species Bulbophyllum injoloense De Wild.
species Bulbophyllum inops Rchb.f.
species Bulbophyllum inornatum J.J. Verm.
species Bulbophyllum inquirendum J.J. Verm.
species Bulbophyllum insectiferum Barb. Rodr.
species Bulbophyllum insipidum J.J. Verm. & P. O'Byrne
species Bulbophyllum insolitum Bosser
species Bulbophyllum insulsoides Seidenf.
species Bulbophyllum intermedium F.M. Bailey
species Bulbophyllum intersitum J.J. Verm.
species Bulbophyllum intertextum Lindl.
species Bulbophyllum intonsum J.J. Verm.
species Bulbophyllum intricatum Seidenf.
species Bulbophyllum inunctum J.J. Sm.
species Bulbophyllum inversum Schltr.
species Bulbophyllum invisum Ames
species Bulbophyllum involutum Borba, Semir & F. Barros
species Bulbophyllum ionophyllum J.J. Verm.
species Bulbophyllum ipanemense Hoehne
species Bulbophyllum ischnopus Schltr.
species Bulbophyllum iterans J.J. Verm. & P. O'Byrne
species Bulbophyllum ivorense P.J. Cribb & Pérez-Vera
species Bulbophyllum jaapii Szlach. & Olszewski
species Bulbophyllum jackyi G.A. Fisch., Sieder & P.J. Cribb
species Bulbophyllum jamaicense Cogn.
species Bulbophyllum janus J.J. Verm.
species Bulbophyllum japonicum (Makino) Makino
species Bulbophyllum jensenii J.J. Sm.
species Bulbophyllum jiewhoei J.J. Verm. & P. O'Byrne
species Bulbophyllum johannis H. Wendl. & Kraenzl.
species Bulbophyllum johannulii J.J. Verm.
species Bulbophyllum johnsonii T.E. Hunt
species Bulbophyllum jolandae J.J. Verm.
species Bulbophyllum josephi (Kuntze) Summerh.
species Bulbophyllum jumelleanum Schltr.
species Bulbophyllum kainochiloides H. Perrier
species Bulbophyllum kaitiense Rchb.f.
species Bulbophyllum kanburiense Seidenf.
species Bulbophyllum kaniense Schltr.
species Bulbophyllum karbianglongensis K. Gogoi & R. Hondiqui
species Bulbophyllum kauloense Schltr.
species Bulbophyllum kautskyi Toscano
species Bulbophyllum keekee N. Hallé
species Bulbophyllum kegelii Hamer & Garay
species Bulbophyllum kelelense Schltr.
species Bulbophyllum kempfii Schltr.
species Bulbophyllum kemulense J.J. Sm.
species Bulbophyllum kenae J.J. Verm.
species Bulbophyllum kenejiense W. Kittr.
species Bulbophyllum keralense M. Kumar & Sequiera
species Bulbophyllum kermesinum Ridl.
species Bulbophyllum kestron J.J. Verm. & A.L. Lamb
species Bulbophyllum khaoyaiense Seidenf.
species Bulbophyllum khasyanum Griff.
species Bulbophyllum kiamfeeanum J.J. Verm. & P. O'Byrne
species Bulbophyllum kieneri Bosser
species Bulbophyllum kirroanthum Schltr.
species Bulbophyllum kittredgei (Garay, Hamer & Siegerist) J.J. Verm.
species Bulbophyllum kivuense J.J. Verm.
species Bulbophyllum kjellbergii J.J. Sm.
species Bulbophyllum klabatense Schltr.
species Bulbophyllum klossii Ridl.
species Bulbophyllum kontumense Gagnep.
species Bulbophyllum korimense J.J. Sm.
species Bulbophyllum korinchense Ridl.
species Bulbophyllum korthalsii Schltr.
species Bulbophyllum kuanwuense S.W. Chung & T.C. Hsu
species Bulbophyllum kupense P.J. Cribb & B.J. Pollard
species Bulbophyllum kusaiense Tuyama
species Bulbophyllum kwangtungense Schltr.
species Bulbophyllum labatii Bosser
species Bulbophyllum laciniatum (Barb. Rodr.) Cogn.
species Bulbophyllum lacinulosum J.J. Sm.
species Bulbophyllum laetum J.J. Verm.
species Bulbophyllum lagaroglossum J.J. Verm.
species Bulbophyllum lageniforme F.M. Bailey
species Bulbophyllum lakatoense Bosser
species Bulbophyllum lambii J.J. Verm.
species Bulbophyllum lamelluliferum J.J. Sm.
species Bulbophyllum lamii J.J. Sm.
species Bulbophyllum lamingtonense D.L. Jones
species Bulbophyllum lancifolium Ames
species Bulbophyllum lancilabium Ames
species Bulbophyllum lancipetalum Ames
species Bulbophyllum lancisepalum H. Perrier
species Bulbophyllum languidum J.J. Sm.
species Bulbophyllum lanterna Hermans
species Bulbophyllum lanuginosum J.J. Verm.
species Bulbophyllum laoticum Gagnep.
species Bulbophyllum lasianthum Lindl.
species Bulbophyllum lasiochilum E.C. Parish & Rchb.f.
species Bulbophyllum lasioglossum Rolfe ex Ames
species Bulbophyllum lasiopetalum Kraenzl.
species Bulbophyllum latibrachiatum J.J. Sm.
species Bulbophyllum latipes J.J. Sm.
species Bulbophyllum latipetalum H. Perrier
species Bulbophyllum latisepalum Ames & C. Schweinf.
species Bulbophyllum laxiflorum (Blume) Lindl.
species Bulbophyllum laxum Schltr.
species Bulbophyllum leandrianum H. Perrier
species Bulbophyllum lecouflei Bosser
species Bulbophyllum ledungense Tang & F.T. Wang
species Bulbophyllum lehmannianum Kraenzl.
species Bulbophyllum leibergii Ames & Rolfe
species Bulbophyllum lemnifolium Schltr.
species Bulbophyllum lemniscatoides Rolfe
species Bulbophyllum lemniscatum C.S.P. Parish ex Hook.f.
species Bulbophyllum lemuraeoides H. Perrier
species Bulbophyllum lemurense Bosser & P.J. Cribb
species Bulbophyllum leniae J.J. Verm.
species Bulbophyllum leonii Kraenzl.
species Bulbophyllum leontoglossum Schltr.
species Bulbophyllum leopardinum (Wall.) Lindl. ex Wall.
species Bulbophyllum lepantense Ames
species Bulbophyllum lepanthiflorum Schltr.
species Bulbophyllum leproglossum J.J. Verm. & A.L. Lamb
species Bulbophyllum leptanthum Hook.f.
species Bulbophyllum leptobulbon J.J. Verm.
species Bulbophyllum leptocaulon Kraenzl.
species Bulbophyllum leptochlamys Schltr.
species Bulbophyllum leptoglossum J.J. Verm. & A.L. Lamb
species Bulbophyllum leptoleucum Schltr.
species Bulbophyllum leptophyllum W. Kittr.
species Bulbophyllum leptopus Schltr.
species Bulbophyllum leptosepalum Hook.f.
species Bulbophyllum leptostachyum Schltr.
species Bulbophyllum leucorhachis (Rolfe) Schltr.
species Bulbophyllum leucorhodum Schltr.
species Bulbophyllum leucorrhachis (Rolfe) Schltr.
species Bulbophyllum leucothyrsus Schltr.
species Bulbophyllum levanae Ames
species Bulbophyllum levatii Kraenzl.
species Bulbophyllum leve Schltr.
species Bulbophyllum levidense J.J. Sm.
species Bulbophyllum levinei Schltr.
species Bulbophyllum levyae Garay, Hamer & Siegerist
species Bulbophyllum lewisense B. Gray & D.L. Jones
species Bulbophyllum leytense Ames
species Bulbophyllum lichenoides Schltr.
species Bulbophyllum lichenophylax Schltr.
species Bulbophyllum ligulatum W. Kittr.
species Bulbophyllum ligulifolium J.J. Sm.
species Bulbophyllum lilacinum Ridl.
species Bulbophyllum lilianae Rendle
species Bulbophyllum lilianiae Rendle
species Bulbophyllum limbatum Lindl.
species Bulbophyllum lindleyanum Griff.
species Bulbophyllum lineare Frapp. ex Cordem.
species Bulbophyllum lineariflorum J.J. Sm.
species Bulbophyllum linearifolium King & Pantl.
species Bulbophyllum linearilabium J.J. Sm.
species Bulbophyllum lineariligulatum Schltr.
species Bulbophyllum lineatum (Teijsm. & Binn.) J.J. Sm.
species Bulbophyllum lineolatum Schltr.
species Bulbophyllum linggense J.J. Sm.
species Bulbophyllum lingulatum Rendle
species Bulbophyllum liparidioides Schltr.
species Bulbophyllum lipense Ames
species Bulbophyllum lissoglossum J.J. Verm.
species Bulbophyllum lizae J.J. Verm.
species Bulbophyllum lobbii Lindl.
species Bulbophyllum lockii Aver. & Averyanova
species Bulbophyllum loherianum (Kraenzl.) Ames
species Bulbophyllum lohokii J.J. Verm. & A.L. Lamb
species Bulbophyllum lokonense Schltr.
species Bulbophyllum lonchophyllum Schltr.