Hook.f. 1872 Bulbophyllum lemuraeoides H.Perrier (1937) Bulbophyllum lemurense Bosser & P.J.Cribb in D.J.Du Puy & al. 1999 Bulbophyllum leniae J.J.Verm. 1991 Bulbophyllum leonii Kraenzl. 1899 Bulbophyllum leontoglossum Schltr. 1913 Bulbophyllum leopardinum (Wall.) Lindl. in N.Wallich 1829: leopard-spotted bulbophyllum Bulbophyllum lepantense Ames 1912 Bulbophyllum lepanthiflorum Schltr. 1913 Bulbophyllum lepidum (Blume) J.J.Sm. (1905) Bulbophyllum leproglossum J.J.Verm. & A.L.Lamb 1988 Bulbophyllum leptanthum Hook.f. 1890 Bulbophyllum leptobulbon J.J.Verm. 1996 Bulbophyllum leptocaulon Kraenzl. 1916 Bulbophyllum leptochlamys Schltr. 1924 Bulbophyllum leptoflorum P.O'Byrne & P.T.Ong (2014) Bulbophyllum leptoglossum J.J.Verm. & A.L.Lamb (2008) Bulbophyllum leptoleucum Schltr. 1913 Bulbophyllum leptophyllum W.Kittr. (1984 publ. 1985). Bulbophyllum leptopus Schltr. in K.M.Schumann & C.A.G.Lauterbach 1905 Bulbophyllum leptosepalum Hook.f. 1890 Bulbophyllum leptostachyum Schltr. 1922 Bulbophyllum leptotriche J.J.Verm., Schuit. & de Vogel (2014) Bulbophyllum leucoglossum Schuit., Juswara & Droissart (2016) Bulbophyllum leucorhachis (Rolfe) Schltr. (1905) Bulbophyllum leucorhodum Schltr. 1913 Bulbophyllum leucothyrsus Schltr. 1913: white-flowered bunch bulbophyllum Bulbophyllum levanae Ames 1915: Levan's bulbophyllum Bulbophyllum levanae var. giganteum Quisumb. & C.Schweinf. 1953 Bulbophyllum levatii Kraenzl. 1929 Bulbophyllum levatii subsp. levatii Bulbophyllum levatii subsp. mischanthum J.J.Verm. 1993 Bulbophyllum leve Schltr. 1913 Bulbophyllum levidense J.J.Sm. 1929 Bulbophyllum levyae Garay, Hamer & Siegerist 1995: Bulbophyllum lewisense B.Gray & D.L.Jones 1989 – Mount Lewis rope orchid Bulbophyllum leysianum Burb. (1895) Bulbophyllum leytense Ames 1915 Bulbophyllum lichenoides Schltr. 1913 Bulbophyllum lichenophylax Schltr. 1924 Bulbophyllum ligulatum W.Kittr. (1984 publ. 1985). Bulbophyllum ligulifolium J.J.Sm. 1934 Bulbophyllum lilacinum Ridl. 1897: Bulbophyllum lilianae Rendle 1917 – warty strand orchid Bulbophyllum limbatum Lindl. 1840 Bulbophyllum lindleyanum Griff. 1851: Bulbophyllum lineare Frapp. ex Cordem. 1895 Bulbophyllum lineariflorum J.J.Sm. 1911 Bulbophyllum linearifolium King & Pantl. 1897 Bulbophyllum linearilabium J.J.Sm. 1912 Bulbophyllum lineariligulatum Schltr. 1924 Bulbophyllum lineatum (Teijsm. & Binn.) J.J.Sm. 1912 Bulbophyllum lineolatum Schltr. 1913 Bulbophyllum linggense J.J.Sm. 1922 Bulbophyllum lingulatum Rendle 1921 Bulbophyllum lingulatum f. lingulatum Bulbophyllum lingulatum f. microphyton (Guillaumin) N.Hall 1977 Bulbophyllum liparidioides Schltr. 1924 Bulbophyllum lipense Ames 1923 Bulbophyllum lissoglossum J.J.Verm. 1991: smooth-lipped bulbophyllum Bulbophyllum lizae J.J.Verm. 1984 Bulbophyllum lobbii Lindl. 1847: Lobb's Bulbophyllum, Thailand Bulbophyllum, Sumatran Bulbophyllum Bulbophyllum lobbii subsp. boreoborneense Mangal, F.Velazquez & J.J.Verm. (2015) Bulbophyllum lobbii subsp. breviflorum (J.J.Sm.) Mangal, F.Velazquez & J.J.Verm. (2015) Bulbophyllum lobbii subsp. lobbiiBulbophyllum 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.