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total 2393
Genus Species Author Year Distribution
Aa macra Schltr. 1921 Ecuador
Aa maderoi Schltr. 1920 NW. Venezuela to Ecuador
Aa mandonii (Rchb.f.) Schltr. 1912 Peru to Bolivia
Aa matthewsii (Rchb.f.) Schltr. 1912 Peru
Aa microtidis Schltr. 1922 Bolivia
Acanthophippium mantinianum L.Linden & Cogn. 1896 Philippines
Acianthera macilenta Luer & Hirtz 2013 Ecuador (Sucumbíos)
Acianthera macropoda (Barb.Rodr.) Pridgeon & M.W.Chase 2001 SE. & S. Brazil
Acianthera macuconensis (Barb.Rodr.) F.Barros 2003 SE. & S. Brazil to Argentina (Misiones)
Acianthera maculiglossa Chiron & N.Sanson 2009 Brazil (Espírito Santo)
Acianthera madisonii (Luer) Pridgeon & M.W.Chase 2001 Ecuador (Carchi)
Acianthera magalhanesii (Pabst) F.Barros 2003 Brazil (SE. Bahia)
Acianthera majakoluckae Soto Arenas & Solano 2003 Mexico (Chiapas, Oaxaca)
Acianthera malachantha (Rchb.f.) Pridgeon & M.W.Chase 2001 Brazil (Rio de Janeiro to Paraná)
Acianthera marleniae Damian, Chiron & Mitidieri 2018 Peru (Western South America, Southern America)
Acianthera marquesii Luer & Toscano 2012 Brazil (Espírito Santo)
Acianthera marumbyana (Garay) Luer 2004 Brazil (Paraná)
Acianthera melachila (Barb.Rodr.) Luer 2004 Brazil (Espírito Santo to Rio de Janeiro)
Acianthera melanochthoda (Luer & Hirtz) Pridgeon & M.W.Chase 2001 Ecuador (Morona-Santiago)
Acianthera melanoglossa (Luer & R.Escobar) Luer 2004 Colombia (Risaralda)
Acianthera mendozae Luer 2009 Bolivia
Acianthera mexiae (Luer) Pridgeon & M.W.Chase 2001 Peru (Huánuco)
Acianthera micrantha (Barb.Rodr.) Pridgeon & M.W.Chase 2001 Brazil (Minas Gerais)
Acianthera minima (Cogn.) F.Barros 2002 Brazil (São Paulo)
Acianthera minuta (Rolfe) Karremans 2016 SE. Brazil (?)
Acianthera miqueliana (H.Focke) Pridgeon & M.W.Chase 2001 S. Trop. America
Acianthera modestissima (Rchb.f. & Warm.) Pridgeon & M.W.Chase 2001 Brazil (Minas Gerais)
Acianthera montana (Barb.Rodr.) F.Barros & L.R.S.Guim. 2010 Brazil (Espírito Santo, Minas Gerais)
Acianthera morenoi (Luer) Pridgeon & M.W.Chase 2001 Bolivia
Acianthera morilloi (Carnevali & I.Ramírez) Luer 2004 Venezuela (Bolívar)
Acianthera moronae (Luer & Hirtz) Luer 2004 SE. Ecuador (Cord. del Cutucú)
Acianthera murex (Rchb.f.) Luer 2009 E. Cuba
Acianthera murexoidea (Pabst) Pridgeon & M.W.Chase 2001 Brazil (Santa Catarina)
Acianthera muscicola (Barb.Rodr.) Pridgeon & M.W.Chase 2001 SE. Brazil
Acianthera muscosa (Barb.Rodr.) Pridgeon & M.W.Chase 2001 SE. & S. Brazil to Argentina (Misiones)
Acianthera myrticola (Barb.Rodr.) F.Barros & L.R.S.Guim. 2010 Brazil (Minas Gerais)
Acianthus macroglossus Schltr. 1906 SE. New Caledonia
Acineta mireyae G.Gerlach & M.H.Weber 2003 Panama
Acrolophia micrantha (Lindl.) Pfitzer 1887 SW. & S. Cape Prov.
Adamantinia miltonioides Van den Berg & C.N.Gonç. 2004 Brazil (Bahia)
Adenoncos macrantha Schltr. 1925 Sulawesi
Adenoncos major Ridl. 1896 Thailand to Pen. Malaysia, Borneo
Aerangis macrocentra (Schltr.) Schltr. 1915 Madagascar
Aerangis maireae la Croix & J.Stewart 1998 Tanzania
Aerangis megaphylla Summerh. 1937 Annobón
Aerangis modesta (Hook.f.) Schltr. 1914 Comoros, N. & E. Madagascar
Aerangis monantha Schltr. 1925 C. & E. Madagascar
Aerangis montana J.Stewart 1979 SW. Tanzania to Zambia
Aerangis mooreana (Rolfe ex Sander) P.J.Cribb & J.Stewart 1983 Comoros, NC. Madagascar
Aerangis mystacidii (Rchb.f.) Schltr. 1917 SW. Tanzania to S. Africa
Aeranthes moratii Bosser 1971 N. Madagascar
Aeranthes multinodis Bosser 1971 C. Madagascar
Aerides macmorlandii B.S.Williams 1855 India
Aerides maculosa Lindl. 1845 India
Aerides magnifica Cootes & W.Suarez 2014 Philippines
Aerides margaritacea B.S.Williams 1855
Aerides migueldavidii Cootes, Cabactulan & Naive 2016 Philippines
Aerides multiflora Roxb. 1820 Himalaya to Indo-China
Aeridostachya macrophylla (Ames & C.Schweinf.) J.J.Wood 2011
Aeridostachya mearnsii (Leav.) Rauschert 1983
Aglossorrhyncha micronesiaca Schltr. 1921 Caroline Is. (Palau)
Agrostophyllum macrocephalum Schltr. 1912 New Guinea
Agrostophyllum majus Hook.f. 1890 Pen. Thailand to Vanuatu
Agrostophyllum maliauense Ormerod 2012 Borneo (Sabah)
Agrostophyllum malindangense Ames 1911 Philippines (Mindanao)
Agrostophyllum mangkutanae Ormerod 2017 Sulawesi (Malesia, Asia-Tropical)
Agrostophyllum megalurum Rchb.f. 1868 New Guinea to W. Pacific
Agrostophyllum merrillii Ames 1907 Philippines (Mindoro: Mt. Halcon)
Agrostophyllum militare Ormerod 2011 Papua New Guinea
Agrostophyllum milneanum Ormerod 2011 Papua New Guinea
Agrostophyllum mindanense Ames 1915 Philippines (Mindanao)
Agrostophyllum montanum Schltr. 1912 New Guinea
Agrostophyllum montis-jayanum Ormerod 2013 W. New Guinea
Agrostophyllum mucronatum J.J.Sm. 1908 New Guinea
Agrostophyllum myrianthum King & Pantl. 1898 Sikkim to Arunachal Pradesh
Altensteinia marginata Rchb.f. 1878 Peru
Amesiella minor Senghas 1999 Philippines
Amesiella monticola Cootes & D.P.Banks 1998 Philippines
Anacamptis morio subsp. morio Europe
Anacamptis morio subsp. caucasica (K.Koch) H.Kretzschmar, Eccarius & H.Dietr. 2007 Balkan Pen. to N. Iran
Anacamptis morio subsp. champagneuxii (Barnéoud) H.Kretzschmar, Eccarius & H.Dietr. 2007 S. France to NW. Africa
Anacamptis morio subsp. longicornu (Poir.) H.Kretzschmar, Eccarius & H.Dietr. 2007 W. Medit. to Sicilia
Anacamptis morio subsp. syriaca (E.G.Camus) H.Kretzschmar, Eccarius & H.Dietr. 2007 Cyprus, S. Turkey to Israel
Anacamptis morio nothosubsp. litardierei (Ruppert & Lebrun) J.M.H.Shaw 2017 Corse
Anacamptis morio (L.) R.M.Bateman, Pridgeon & M.W.Chase 1997 Europe, Medit. to Iran
Anacamptis morio nothosubsp. cortesii (E.G.Camus & A.Camus) J.M.H.Shaw 2017 Europe
Anacamptis morio subsp. picta (Loisel.) Jacquet & Scappat. 2003 Iberian Pen. to NW. Italy
Anathallis maguirei (Luer) Pridgeon & M.W.Chase 2001 Venezuela (Bolívar) to Guyana
Anathallis malmeana (Dutra ex Pabst) Pridgeon & M.W.Chase 2001 Brazil (Rio Grande do Sul)
Anathallis manausensis Krahl, Valsko & Chiron 2016 Brazil (Amazonas)
Anathallis marginata (Barb.Rodr.) F.Barros & Barberena 2010 Brazil (Rio de Janeiro to Santa Catarina)
Anathallis mediocarinata (C.Schweinf.) Pridgeon & M.W.Chase 2001 Peru to Bolivia
Anathallis megaloophora (Luer) Pridgeon & M.W.Chase 2001 Ecuador (Napo)
Anathallis meridana (Rchb.f.) Pridgeon & M.W.Chase 2001 Colombia to NW. Venezuela
Anathallis microblephara (Schltr.) Pridgeon & M.W.Chase 2001 Brazil (Paraná)
Anathallis microphyta (Barb.Rodr.) C.O.Azevedo & Van den Berg 2005 E. & S. Brazil to NE. Argentina
Anathallis microtis (Schltr.) Karremans 2016 Brazil (Rio Grande do Sul)
Anathallis miguelii (Schltr.) Pridgeon & M.W.Chase 2001 Dominican Rep.
Anathallis millipeda (Luer) Luer 2009 Colombia
Anathallis minima (C.Schweinf.) Luer 2009 N. South America
Anathallis minutalis (Lindl.) Pridgeon & M.W.Chase 2001 S. Mexico to C. America
Anathallis montipelladensis (Hoehne) F.Barros 2002 Brazil
Anathallis muricaudata (Luer) Pridgeon & M.W.Chase 2001 Panama to W. South America
Anathallis muscoidea (Lindl.) F.Barros & Barberena 2010 Brazil (Rio de Janeiro)
Ancistrorhynchus metteniae (Kraenzl.) Summerh. 1944 W. Trop. Africa to S. Ethiopia
Andinia macrotica (Luer & Dalström) Karremans & S.V.Uribe 2017 Ecuador
Andinia masdevalliopsis (Luer) Karremans & Mark Wilson 2017 Ecuador (Loja)
Andinia micropetala (L.O.Williams) Karremans & S.V.Uribe 2017 W. Colombia to Ecuador
Andinia mongei (Tobar & Archila) Karremans & S.V.Uribe 2017 Ecuador
Andinia monilia (Luer & R.Escobar) Karremans & S.V.Uribe 2017 Colombia
Andinia montis-rotundi (P.Ortiz) Karremans & S.V.Uribe 2017 Colombia (Cundinamarca)
Angraecopsis macrophylla Summerh. 1951 Ivory Coast, SW. Uganda, Ethiopis
Angraecopsis malawiensis P.J.Cribb 1983 Tanzania to Malawi
Angraecum macilentum Frapp. 1889
Angraecum madagascariense (Finet) Schltr. 1918 C. Madagascar
Angraecum magdalenae Schltr. & H.Perrier 1925 Madagascar
Angraecum magdalenae var. latiilabellum Bosser 1965 N. Madagascar
Angraecum magdalenae var. magdalenae C. Madagascar
Angraecum mahavavense H.Perrier 1938 N. Madagascar
Angraecum mauritianum (Poir.) Frapp. 1889 Mascarenes, Madagascar
Angraecum meirax (Rchb.f.) H.Perrier 1938 Comoros, Madagascar
Angraecum melanostictum Schltr. 1918 E. & SE. Madagascar
Angraecum metallicum Sander 1901 Madagascar
Angraecum microcharis Schltr. 1925 N. Madagascar
Angraecum minus Summerh. 1958 SW. Ethiopia to Zimbabwe
Angraecum minutum Frapp. ex Cordem. 1895 Réunion
Angraecum moandense De Wild. 1916 W. Trop. Africa to Uganda
Angraecum modicum Summerh. 1958 Liberia
Angraecum mofakoko De Wild. 1916 Zaïre
Angraecum moratii Bosser 1970 N. & ENE. Madagascar
Angraecum multiflorum Thouars 1822 W. Indian Ocean
Angraecum multinominatum Rendle 1913 W. Trop. Africa to Gabon
Angraecum muscicola H.Perrier 1938 C. Madagascar
Angraecum musculiferum H.Perrier 1938 N. Madagascar
Angraecum myrianthum Schltr. 1913 S. Madagascar
Anoectochilus maculatus B.S.Williams 1862
Anoectochilus malipoensis W.H.Chen & Y.M.Shui 2010 China (Yunnan)
Anoectochilus monicae J.J.Wood 2004 Borneo (Sabah)
Aphyllorchis maliauensis Suetsugu, Suleiman & Tsukaya 2018 Sabah (Borneo, Malesia, Asia-Tropical)
Aphyllorchis montana f. pingtungensis T.P.Lin 2017 Taiwan (Eastern Asia, Asia-Temperate)
Aphyllorchis montana var. rotundatipetala (C.S.Leou, S.K.Yu & C.T.Lee) T.P.Lin 2016 Taiwan
Aphyllorchis montana f. pingtungensis T.P.Lin 2017 Taiwan
Aphyllorchis montana var. montana Trop. & Subtrop. Asia
Aphyllorchis montana Rchb.f. 1876 Trop. & Subtrop. Asia
Appendicula magnibracteata Ames & C.Schweinf. 1920 Borneo (Sabah, Sarawak)
Appendicula malindangensis (Ames) Schltr. 1912 Philippines
Appendicula maneauensis Ormerod 2014 Papua New Guinea
Appendicula maquilingensis Ames 1913 Philippines
Appendicula matapensis Ormerod 2014 Papua New Guinea
Appendicula membranacea Teijsm. & Binn. 1855
Appendicula merapohensis P.T.Ong & P.O'Byrne 2013 Pen. Malaysia
Appendicula merrillii Ames 1914 N. Borneo, Philippines
Appendicula mimica Ormerod 2009 Solomon Is.
Appendicula montana (Schltr.) J.J.Sm. 1912 New Guinea
Ascidieria maculiflora J.J.Wood 2008 Borneo (Sabah, Sarawak)
Ascidieria maculosa Cabactulan , Cootes , M.Leon & Pimentel 2018 Philippines (Malesia, Asia-Tropical)
Aspidogyne macarenae (Ormerod) Meneguzzo 2012 Colombia (Meta)
Aspidogyne malmei (Kraenzl.) Garay 1977 S. Brazil to Argentina (Misiones)
Aspidogyne mendoncae (Brade & Pabst) Ormerod 2008 Brazil (Espírito Santo)
Aspidogyne metallescens (Barb.Rodr.) Garay 1977 Brazil (Minas Gerais)
Aspidogyne miravalleana Szlach. & Kolan. 2017 Colombia
Aspidogyne misera (Ormerod) Ormerod 2007 Peru (Pasco)
Aspidogyne mosaica Ormerod 2004 Colombia to Ecuador
Aspidogyne multifoliata (C.Schweinf.) Garay 1977 Guyana, Ecuador to Peru
Aspidogyne mystacina (Rchb.f.) Garay 1977 Ecuador to Bolivia, Brazil (Pará)
Auxopus macranthus Summerh. 1952 W. Trop. Africa to Uganda
Auxopus madagascariensis Schltr. 1924 NW. Madagascar
Barbosella macaheensis (Cogn.) Luer 2000 Brazil (Rio de Janeiro)
Barbosella miersii (Lindl.) Schltr. 1918 Brazil (Rio de Janeiro to Paraná)
Barkeria melanocaulon A.Rich. & Galeotti 1845 Mexico (Oaxaca)
Baskervilla machupicchuensis Nauray & Christenson 2001 Peru
Beclardia macrostachya (Thouars) A.Rich. 1828 Mascarenes, Madagascar
Beloglottis mexicana Garay & Hamer 1981 Mexico to C. America
Benthamia macra Schltr. 1924 SC. Madagascar
Benthamia madagascariensis (Rolfe) Schltr. 1916 E. & S. Madagascar
Benthamia majoriflora H.Perrier 1951 NE. Madagascar
Benthamia melanopoda Schltr. 1924 C. Madagascar
Benthamia misera (Ridl.) Schltr. 1924 Madagascar
Benthamia monophylla Schltr. 1924 SC. & SE. Madagascar
Bifrenaria mellicolor Rchb.f. 1878 Brazil (Bahia to Rio de Janeiro)
Bipinnula montana Arechav. 1899 Brazil (Rio Grande do Sul) to Uruguay
Bletia macristhmochila Greenm. 1897 Mexico
Bletia meridana (Rchb.f.) Garay & Dunst. 1976 N. Venezuela
Bletia mixtecana Salazar & C.Chávez 2016 Mexico (Oaxaca)
Bogoria merrillii (Ames) Garay 1972 Philippines (NE. Mindanao)
Bolusiella maudiae (Bolus) Schltr. 1918 Trop. & S. Africa
Brachionidium machupicchuense N.Salinas & Christenson 2002 C. Peru
Brachionidium meridense Garay 1956 NE. Colombia to NW. Venezuela
Brachionidium minusculum Luer & Dressler 1995 Costa Rica
Brachionidium muscosum Luer & R.Vásquez 1984 Peru to Bolivia
Brachycorythis mac-owaniana Rchb.f. 1881 S. Cape Prov.
Brachycorythis macrantha (Lindl.) Summerh. 1955 W. & WC. Trop. Africa
Brachycorythis mixta Summerh. 1955 Angola to Zambia
Brachypeza minimipes (J.J.Sm.) Garay 1972 Sumatera
Brachystele maasii Szlach. 1996 Colombia (Vichada)
Brassavola martiana Lindl. 1836 S. Trop. America
Brassia macrostachya Lindl. 1838 S. Venezuela to Guyana
Brassia maculata R.Br. 1813 S. Mexico to C. America, Cuba, Jamaica
Brassia mendozae (Dodson) Senghas 1997 Ecuador (Loja)
Brassia minutiflora (Kraenzl.) M.W.Chase 2011 Colombia
Brownleea macroceras Sond. 1846 S. Africa (Drakensberg)
Brownleea maculata P.J.Cribb 1977 Malawi (Mt. Mulanje), Chimanimani Mts. of Zimbabwe and Mozambique
Brownleea mulanjiensis H.P.Linder 1985 Malawi (Mt. Mulanje)
Bryobium montanum (Schltr.) Schuit., Y.P.Ng & H.A.Pedersen 2018
Bryobium moultonii (Ridl.) Schuit., Y.P.Ng & H.A.Pedersen 2018
Bulbophyllum maanshanense Z.J.Liu, L.J.Chen & W.H.Rao 2010 China (SE. Yunnan)
Bulbophyllum maboroense Schltr. 1913 New Guinea
Bulbophyllum machupicchuense D.E.Benn. & Christenson 2001 Peru
Bulbophyllum macilentum J.J.Verm. 1993 E. New Guinea
Bulbophyllum macneiceae Schuit. & de Vogel 2005 Papua New Guinea
Bulbophyllum macphersonii Rupp 1934 N. & NE. Queensland
Bulbophyllum macphersonii var. macphersonii Queensland (Cook, North Kennedy)
Bulbophyllum macphersonii var. spathulatum Dockrill & St.Cloud 1957 NE. Queensland
Bulbophyllum macraei (Lindl.) Rchb.f. 1861 E. India, Sri Lanka, E. Himalaya to Japan (Yakushima, Taneyasima)
Bulbophyllum macranthoides Kraenzl. 1905 New Guinea to Solomon Is.
Bulbophyllum macranthum Lindl. 1844 Assam to Indo-China and Solomon Is.
Bulbophyllum macrobulbon J.J.Sm. 1910 New Guinea
Bulbophyllum macrocarpum Frapp. ex Cordem. 1895 Réunion
Bulbophyllum macroceras Barb.Rodr. 1881 Brazil (Rio de Janeiro)
Bulbophyllum macrochilum Rolfe 1896 Pen. Malaysia, Borneo
Bulbophyllum macrocoleum Seidenf. 1979 Indo-China
Bulbophyllum macroleum ?
Bulbophyllum macrorhopalon Schltr. 1913 New Guinea
Bulbophyllum macrorrhinum (P.Royen) J.J.Verm., Schuit. & de Vogel 2014 W. New Guinea
Bulbophyllum macrourum Schltr. 1905 Papua New Guinea
Bulbophyllum maculatum Boxall ex Náves 1880 Philippines
Bulbophyllum maculiflorum J.J.Verm., Schuit. & de Vogel 2015 New Guinea
Bulbophyllum magnibracteatum Summerh. 1935 W. & WC. Trop. Africa
Bulbophyllum magnum J.J.Verm., Cootes & W.Suarez 2013 Philippines
Bulbophyllum magnussonianum J.J.Verm., de Vogel & A.Vogel 2010 Bismarck Arch.
Bulbophyllum mahakamense J.J.Sm. 1909 Borneo (Kalimantan)
Bulbophyllum maijenense Schltr. 1913 New Guinea
Bulbophyllum majus (Ridl.) P.Royen 1979 New Guinea
Bulbophyllum makoyanum (Rchb.f.) Ridl. 1907 Singapore, Borneo, Philippines
Bulbophyllum malachadenia Cogn. 1902 Brazil (Rio de Janeiro to Paraná)
Bulbophyllum maleolens Kraenzl. 1928 Madagascar
Bulbophyllum malleolabrum Carr 1932 Pen. Malaysia, Borneo (Sabah), Sulawesi
Bulbophyllum mamberamense J.J.Sm. 1915 New Guinea
Bulbophyllum manabendrae D.K.Roy, Barbhuiya & Talukdar 2014 Assam (Meghalaya)
Bulbophyllum mananjarense Poiss. 1912 Madagascar
Bulbophyllum manarae Foldats 1968 NW. & N. Venezuela, Brazil (S. Bahia)
Bulbophyllum mandibulare Rchb.f. 1882 Borneo (Sabah)
Bulbophyllum mangenotii Bosser 1965 C. Madagascar
Bulbophyllum manipurense C.S.Kumar & P.C.S.Kumar 2005 Assam (Manipur)
Bulbophyllum manobulbum Schltr. 1905 Papua New Guinea to Solomon Is.
Bulbophyllum maquilingense Ames & Quisumb. 1932 Philippines (Luzon)
Bulbophyllum marginatum Schltr. 1913 New Guinea
Bulbophyllum marivelense Ames 1912 Philippines
Bulbophyllum marknaivei Cootes, R.Boos & M.Leon 2016 Philippines
Bulbophyllum marknaivei Cootes, R. Boos & M.D. De Leon 2016 Philippines (Malesia, Asia-Tropical)
Bulbophyllum marojejiense H.Perrier 1951 N. Madagascar
Bulbophyllum marovoense H.Perrier 1951 ENE. Madagascar
Bulbophyllum marudiense Carr 1935 Borneo (Sabah, Sarawak)
Bulbophyllum masaganapense Ames 1920 Philippines (Luzon, Leyte)
Bulbophyllum masarangicum Schltr. 1911 N. Sulawesi
Bulbophyllum maskeliyense Livera 1926 SW. India, Sri Lanka
Bulbophyllum masoalanum Schltr. 1916 NE. Madagascar
Bulbophyllum masonii (Senghas) J.J.Wood 1986 Papua New Guinea
Bulbophyllum mastersianum (Rolfe) J.J.Sm. 1912 Vietnam, NW. Borneo, Maluku
Bulbophyllum mattesii Sieder & Kiehn 2009 New Guinea
Bulbophyllum maudeae A.D.Hawkes 1966 NE. Madagascar
Bulbophyllum maxii W.M.Lin & Yi Fu Wang 2014
Bulbophyllum maxillare (Lindl.) Rchb.f. 1861 Nicobar Is. to N. Queensland
Bulbophyllum maxillarioides Schltr. 1905 Papua New Guinea
Bulbophyllum maximum (Lindl.) Rchb.f. 1861 Trop. Africa
Bulbophyllum mayrii J.J.Sm. 1934 New Guinea
Bulbophyllum mearnsii Ames 1914 S. Philippines to N. Sulawesi
Bulbophyllum mediocre Summerh. ex Exell 1959 Príncipe, São Tomé
Bulbophyllum medioximum J.J.Verm., Schuit. & de Vogel 2014 China (S. Yunnan) to Indo-China
Bulbophyllum medusae (Lindl.) Rchb.f. 1861 Pen. Thailand to W. Malesia
Bulbophyllum megalonyx Rchb.f. 1881 Comoros (Nzwani)
Bulbophyllum melanoglossum Hayata 1914 China (Fujian), Hainan, Taiwan
Bulbophyllum melilotus J.J.Sm. 1929 New Guinea
Bulbophyllum melinanthum Schltr. 1905 Papua New Guinea
Bulbophyllum melinoglossum Schltr. 1913 New Guinea
Bulbophyllum melleum H.Perrier 1937 E. Madagascar
Bulbophyllum melloi Pabst 1977 Brazil (Rio de Janeiro)
Bulbophyllum membranaceum Teijsm. & Binn. 1854 Thailand, Malesia to W. Pacific
Bulbophyllum membranifolium subsp. membranifolium W. Malesia to Philippines
Bulbophyllum membranifolium subsp. inunctum (J.J.Sm.) J.J.Verm., P.O'Byrne & A.L.Lamb 2015 Pen. Malaysia, Borneo, Philippines
Bulbophyllum membranifolium Hook.f. 1890 W. Malesia to Philippines
Bulbophyllum menghaiense Z.H.Tsi 1981 China (S. Yunnan)
Bulbophyllum menglaense Jian W.Li & X.H.Jin 2017 China (Yunnan)
Bulbophyllum menglaense Jian W.Li & X.H.Jin 2017 Yunnan (China South-Central, China, Asia-Temperate)
Bulbophyllum menglunense Z.H.Tsi & Y.Z.Ma 1985 China (S. Yunnan)
Bulbophyllum mengyuanense Q.Liu, Jian W.Li & X.H.Jin 2015 China (Yunnan)
Bulbophyllum mentiferum J.J.Sm. 1927 Sumatera
Bulbophyllum mentosum Barb.Rodr. 1877 Brazil
Bulbophyllum meridense Rchb.f. 1850 S. Trop. America
Bulbophyllum meristorhachis Garay & Dunst. 1976 Venezuela (Bolívar)
Bulbophyllum merrittii Ames 1907 Philippines (Mindoro: Mt. Halcon)
Bulbophyllum mesodon J.J.Verm. 1993 W. New Guinea
Bulbophyllum meson J.J.Verm., Schuit. & de Vogel 2014 Thailand
Bulbophyllum metonymon Summerh. 1952 N. Madagascar
Bulbophyllum micholitzianum Kraenzl. 1893 Sumatera
Bulbophyllum micholitzii Rolfe 1901
Bulbophyllum micranthum Barb.Rodr. 1877 SE. Brazil (to Paraná)
Bulbophyllum microblepharon Schltr. 1913 New Guinea
Bulbophyllum microbulbon Schltr. 1905 Bismarck Arch.
Bulbophyllum microcala P.F.Hunt 1970 New Guinea
Bulbophyllum microdendron Schltr. 1913 New Guinea
Bulbophyllum microglossum Ridl. 1908 Pen. Thailand to Pen. Malaysia, Borneo
Bulbophyllum microlabium W.Kittr. 1985 New Guinea
Bulbophyllum micronesiacum Schltr. 1921 Caroline Is.
Bulbophyllum micropetaliforme Leite 1946 E. Brazil
Bulbophyllum micropetalum Lindl. 1862
Bulbophyllum microrhombos Schltr. 1912 New Guinea to Vanuatu
Bulbophyllum microsphaerum Schltr. 1913 New Guinea
Bulbophyllum microtepalum Rchb.f. 1861 Indo-China
Bulbophyllum microtes Schltr. 1913 New Guinea
Bulbophyllum microthamnus Schltr. 1923 New Guinea
Bulbophyllum migueldavidii Cootes, Cabactulan & Pimentel 2017 Philippines
Bulbophyllum mimiense Schltr. 1913 New Guinea
Bulbophyllum minax Schltr. 1924 SC. Madagascar
Bulbophyllum mindorense Ames 1907 Philippines
Bulbophyllum minutibulbum W.Kittr. 1985 New Guinea
Bulbophyllum minutilabrum H.Perrier 1937 N. Madagascar
Bulbophyllum minutipetalum Schltr. 1913 New Guinea to Vanuatu
Bulbophyllum minutissimum (F.Muell.) F.Muell. 1878 E. Australia
Bulbophyllum minutius J.J.Verm., Schuit. & de Vogel 2014 NE. Thailand
Bulbophyllum minutulum Ridl. 1924 Pen. Malaysia, Borneo
Bulbophyllum minutum Thouars 1822 N. & C. Madagascar
Bulbophyllum mirabile Hallier f. 1889 Borneo
Bulbophyllum mirificum Schltr. 1918 NE. Madagascar
Bulbophyllum mirum J.J.Sm. 1906 Pen. Thailand to W. Malesia
Bulbophyllum mischobulbon Schltr. 1913 New Guinea
Bulbophyllum mobilifilum Carr 1929 Pen. Malaysia (Pahang)
Bulbophyllum moldenkeanum A.D.Hawkes 1966 N. Madagascar
Bulbophyllum molle J.J.Verm. & P.O'Byrne 2008 Sulawesi
Bulbophyllum molossus Rchb.f. 1888 Réunion, Madagascar
Bulbophyllum mona-lisae Sieder & Kiehn 2009 Philippines
Bulbophyllum monanthos Ridl. 1897 Thailand
Bulbophyllum moniliforme C.S.P.Parish & Rchb.f. 1874 C. Nepal, Assam to Indo-China
Bulbophyllum monosema Schltr. 1913 New Guinea
Bulbophyllum monstrabile Ames 1915 Philippines (Leyte)
Bulbophyllum montanum Schltr. 1913 New Guinea
Bulbophyllum montense Ridl. 1894 Pen. Thailand, Borneo (Sabah)
Bulbophyllum montisdischorense J.J.Verm., Schuit. & de Vogel 2014 New Guinea
Bulbophyllum moramanganum Schltr. 1922 ENE. Madagascar
Bulbophyllum moratii Bosser 1989 N. & NE. Madagascar
Bulbophyllum morenoi Dodson & R.Vásquez 1989 Venezuela, Bolivia
Bulbophyllum moroides J.J.Sm. 1917 Sumatera
Bulbophyllum morotaiense J.J.Sm. 1932 Maluku
Bulbophyllum morphologorum Kraenzl. 1908 Indo-China
Bulbophyllum mucronatum subsp. mucronatum Thailand to W. & C. Malesia
Bulbophyllum mucronatum (Blume) Lindl. 1830 Thailand to W. & C. Malesia
Bulbophyllum mucronatum subsp. alagense (Ames) J.J.Verm. & P.O'Byrne 2011 Philippines to Sulawesi
Bulbophyllum mucronifolium Rchb.f. & Warm. 1881 Brazil (Minas Gerais)
Bulbophyllum mulderae J.J.Verm. 1993 New Guinea
Bulbophyllum multiflexum J.J.Sm. 1927 Borneo
Bulbophyllum multiflorum Ridl. 1885 Madagascar
Bulbophyllum multiligulatum H.Perrier 1937 N. & NW. Madagascar
Bulbophyllum multivaginatum Jum. & H.Perrier 1912 N. & EC. Madagascar
Bulbophyllum muluense J.J.Wood 1984 Borneo (Sabah, Sarawak)
Bulbophyllum muricatum J.J.Sm. 1911 New Guinea
Bulbophyllum muriceum Schltr. 1913 New Guinea
Bulbophyllum murkelense J.J.Sm. 1928 Maluku (Seram)
Bulbophyllum muscarirubrum Seidenf. 1979 Thailand
Bulbophyllum muscicola Rchb.f. 1872 Himalaya to N. Vietnam
Bulbophyllum muscohaerens J.J.Verm. & A.L.Lamb 1994 Borneo (Sabah, Sarawak)
Bulbophyllum mutabile (Blume) Lindl. 1830 Pen. Thailand to W. & C. Malesia
Bulbophyllum myodes J.J.Verm. 2008 Papua New Guinea
Bulbophyllum myolaense Garay, Hamer & Siegerist 1995 E. New Guinea
Bulbophyllum myon J.J.Verm. 1990 Papua New Guinea
Bulbophyllum myrmecochilum Schltr. 1924 N. Madagascar
Bulbophyllum myrtillus Schltr. 1913 New Guinea
Bulbophyllum mysorense (Rolfe) J.J.Sm. 1912 India (Karnataka)
Bulbophyllum mystax Schuit. & de Vogel 2002 W. New Guinea
Bulbophyllum mystrochilum Schltr. 1913 New Guinea
Caladenia macroclavia D.L.Jones 1991 South Australia
Caladenia macrostylis Fitzg. 1882 SW. Australia
Caladenia magniclavata Nicholls 1947 SW. Australia
Caladenia magnifica (Nicholls) D.L.Jones & G.W.Carr 1989 Victoria
Caladenia major (R.Br.) Rchb.f. 1871 E. & SE. Australia
Caladenia marginata Lindl. 1839 SW. Australia
Caladenia maritima D.L.Jones 1999 Victoria
Caladenia melanema Hopper & A.P.Br. 2001 SW. Australia
Caladenia mentiens D.L.Jones 1998 Tasmania
Caladenia meridionalis Hopper & A.P.Br. 2001 SW. Australia
Caladenia mesocera Hopper & A.P.Br. 2001 SW. Australia
Caladenia microchila Hopper & A.P.Br. 2001 SW. Australia
Caladenia minor Hook.f. 1853 New Zealand
Caladenia minorata M.A.Clem. 2015 E. Australia
Caladenia montana G.W.Carr 1991 Victoria
Caladenia moschata (D.L.Jones) G.N.Backh. 2010 New South Wales
Caladenia multiclavia Rchb.f. 1871 SW. Australia
Caladenia multiclavia var. brevicuspis Benth. 1873 SW. Western Australia
Caladenia multiclavia var. multiclavia SW. Australia
Calanthe madagascariensis Rolfe ex Hook.f. 1901 Madagascar
Calanthe mannii Hook.f. 1890 Himalaya to S. China, Japan (S. Kyushu)
Calanthe mantinii auct. 1894
Calanthe maquilingensis Ames 1915 Philippines
Calanthe masuca (D.Don) Lindl. 1833 Madagascar, Trop. & Subtrop. Asia
Calanthe maxii P.O'Byrne 2000 Sulawesi
Calanthe mcgregorii Ames 1907 Philippines
Calanthe metoensis Z.H.Tsi & K.Y.Lang 1978 SE. Tibet to China (W. Yunnan)
Calanthe micrantha Schltr. 1912 New Guinea
Calanthe microglossa Ridl. 1903 Sumatera
Calanthe millikenii P.J.Cribb 2009 Sulawesi
Calanthe millotae Ursch & Genoud ex Bosser 1966 NE. Madagascar, Mauritius, Seychelles
Calanthe mindorensis Ames 1907 Philippines (Mindoro: Mt. Halcon)
Calanthe moluccensis J.J.Sm. 1926 Maluku (Ambon: G. Lateo)
Calanthe monophylla Ridl. 1909 Pen. Malaysia (Pahang)
Calanthe muelleri Kraenzl. 1893 SE. Papua New Guinea (Astrolabe Range)
Calanthe musa-amanii J.J.Wood 2011 Borneo (Sabah)
Caleana major R.Br. 1810 SE. South Australia to SE. Queensland
Caleana minor R.Br. 1810 SE. Queensland to SE. Australia, New Zealand North I.
Calochilus metallicus D.L.Jones 2004 Queensland
Calochilus montanus D.L.Jones 2006 New South Wales
Calopogon multiflorus Lindl. 1840 SE. U.S.A.
Calymmanthera major Schltr. 1913 New Guinea to Solomon Is., Fiji (Viti Levu)
Calymmanthera montana Schltr. 1913 New Guinea
Campylocentrum madisonii Dodson 1989 Ecuador (Pichincha)
Campylocentrum mattogrossense Hoehne 1941 Guianas to Bolivia
Campylocentrum micranthum (Lindl.) Rolfe 1901 S. Mexico to Trop. America
Campylocentrum microphyllum Ames & Correll 1942 Mexico (Chiapas) to Guatemala
Campylocentrum minutum C.Schweinf. 1948 SE. Ecuador to Bolivia
Capanemia micromera Barb.Rodr. 1877 SE. & S. Brazil to Bolivia and N. Argentina
Catasetum macrocarpum Rich. ex Kunth 1822 Trinidad-Tobago to N. Argentina
Catasetum macroglossum Rchb.f. 1877 Ecuador
Catasetum maculatum Kunth 1822 C. America to N. Brazil
Catasetum maranhense Lacerda & Silva 1998 NE. Brazil (to Tocantins)
Catasetum maroaense G.A.Romero & C.Gómez 2000 Venezuela (Amazonas)
Catasetum matogrossense Bicalho 1964 Brazil (Mato Grosso)
Catasetum mattosianum Bicalho 1973 Brazil (Bahia to Espírito Santo)
Catasetum medium Rchb.f. 1885
Catasetum meeae Pabst 1967 N. Brazil
Catasetum mentosum Lem. 1852 N. Brazil
Catasetum merchae G.A.Romero 1988 Venezuela (Amazonas)
Catasetum micranthum Barb.Rodr. 1882 Brazil (Bahia, Paraná)
Catasetum microglossum Rolfe 1913 S. Venezuela to Peru
Catasetum mojuense A.T.Oliveira & J.B.F.Silva 1999 Brazil (Pará)
Catasetum monzonense D.E.Benn. & Christenson 1998 Peru
Catasetum moorei C.Schweinf. 1970 Ecuador to Peru
Catasetum multifidum F.E.L.Miranda 1986 Brazil (Rondônia)
Catasetum multifissum Senghas 1991 Peru
Cattleya mantiqueirae (Fowlie) Van den Berg 2008 SE. & S. Brazil
Cattleya marcaliana (Campacci & Chiron) Van den Berg 2008 Brazil (SE. Bahia)
Cattleya maxima Lindl. 1833 Colombia to Peru
Cattleya mendelii Dombrain 1872 NE. Colombia
Cattleya milleri (Blumensch. ex Pabst) Van den Berg 2008 Brazil (Minas Gerais)
Cattleya mirandae (K.G.Lacerda & V.P.Castro) Van den Berg 2008 Brazil (Minas Gerais)
Cattleya mooreana Withner, Allison & Guenard 1988 Peru
Cattleya mossiae C.Parker ex Hook. 1838 N. Venezuela
Cattleya munchowiana (F.E.L.Miranda) Van den Berg 2008 Brazil (Espírito Santo)
Caucaea macrotyle (Königer & J.Portilla) Königer 2003 Ecuador
Centroglossa macroceras Barb.Rodr. 1882 SE. Brazil
Ceratostylis maboroensis Schltr. 1912 New Guinea
Ceratostylis macra J.J.Sm. 1935 New Guinea
Ceratostylis malintangensis J.J.Sm. 1927 W. Sumatera
Ceratostylis mamberamensis J.J.Sm. 1929 New Guinea
Ceratostylis mayrii J.J.Sm. 1934 New Guinea
Ceratostylis micrantha Schltr. 1906 New Caledonia
Ceratostylis mindanaensis Ames 1923 Philippines (Mindanao)
Ceratostylis minutiflora Schltr. 1919 New Guinea
Ceratostylis muscicola J.J.Sm. 1929 New Guinea
Changnienia malipoensis D.H.Peng, Z.J.Liu & J.W.Zhai 2013 China (Yunnan)
Cheirostylis malipoensis X.H.Jin & S.C.Chen 2007 China (SE. Yunnan)
Cheirostylis marmorifolia Aver. 2000 N. Vietnam
Cheirostylis merrillii (Ames & Quisumb.) Ormerod 1998 Taiwan to Philippines (Luzon)
Cheirostylis moniliformis (Griff.) Seidenf. 1978 E. Himalaya to Assam, SE. Thailand
Cheirostylis montana Blume 1825 Myanmar to W. & S. Malesia, SW. Pacific
Cheirostylis monteiroi S.Y.Hu & Barretto 1976 China (Hong Kong)
Chelonistele maximae-reginae de Vogel, Vugt, M.Perry, E.Winkel & Hoogend. 2013 Borneo (Sabah)
Chelyorchis malphigioides Archila, Szlach. & Chiron 2016 Guatemala
Chloraea magellanica Hook.f. 1846 SC. & S. Chile, S. Argentina
Chloraea major Ravenna 2001 Chile (Santiago)
Chloraea membranacea Lindl. 1840 S. Brazil to NE. Argentina
Chloraea multiflora Lindl. 1827 C. Chile
Chloraea multilineolata C.Schweinf. 1941 Peru (Apurímac)
Chondrorhyncha macronyx Kraenzl. 1920 Colombia
Chondroscaphe merana (Dodson & Neudecker) Dressler 2001 Ecuador
Chroniochilus minimus (Blume) J.J.Sm. 1927 W. Malesia
Chytroglossa marileoniae Rchb.f. 1863 SE. Brazil
Cleisocentron malipoense (Z.J.Liu & L.J.Chen) R.Rice 2018
Cleisocentron merrillianum (Ames) Christenson 1992 N. Borneo
Cleisostoma macrostachyum Teijsm. & Binn. 1866 Jawa
Cleisostoma masiusii (Miadin, A.L.Lamb & Emoi) P.O'Byrne 2015 Borneo (Sabah)
Cleisostoma medogense Z.H.Tsi 1985 SE. Tibet
Cleisostoma melanorachis Aver. & Averyanova 2006 Vietnam
Cleisostoma menghaiense Z.H.Tsi 1983 China (S. & SE. Yunnan)
Cleisostoma montanum (J.J.Sm.) Garay 1972 C. & E. Jawa
Cleisostoma muticum (Rchb.f.) Garay 1972 Sumatera to W. Jawa
Cleistes macrantha (Barb.Rodr.) Schltr. 1926 SE. & S. Brazil
Cleistes magnifica (Schltr.) Schltr. 1926 S. Brazil
Cleistes mantiqueirae Rchb.f. & Warm. 1881 Brazil (Minas Gerais)
Cleistes metallina (Barb.Rodr.) Schltr. 1926 Brazil
Cleistes miersii Gardner 1842 Brazil (Rio de Janeiro)
Cleistes monantha (Barb.Rodr.) Schltr. 1926 SE. Brazil
Cleistes montana Gardner 1842 Brazil (Rio de Janeiro)
Cleistes moritzii (Rchb.f.) Garay & Dunst. 1966 N. South America to Ecuador
Cleistes munchiquensis Szlach. & Baranow 2012 Colombia
Coelia macrostachya Lindl. 1842 Mexico to C. America
Coelogyne macdonaldii F.Muell. & Kraenzl. 1894 Vanuatu, Fiji
Coelogyne magnifica Y.H.Tan, S.S.Zhou & B.Yang 2017 N. Myanmar
Coelogyne malintangensis J.J.Sm. 1922 N. & W. Sumatera
Coelogyne malipoensis Z.H.Tsi 1995 China (SE. Yunnan) to Vietnam
Coelogyne marmorata Rchb.f. 1877 Philippines (Luzon, Camiguin)
Coelogyne marthae S.E.C.Sierra 2000 Borneo (Sarawak)
Coelogyne mayeriana Rchb.f. 1877 W. Malesia
Coelogyne media B.S.Williams 1862
Coelogyne merrillii Ames 1911 Philippines (Luzon, Negros)
Coelogyne micholitzii W.Watson 1895
Coelogyne micrantha Lindl. 1855 Arunachal Pradesh to Indo-China
Coelogyne miniata (Blume) Lindl. 1833 Sumatera to Lesser Sunda Is., New Guinea
Coelogyne minutissima Kraenzl. 1921
Coelogyne monilirachis Carr 1935 Borneo (Sabah, Sarawak)
Coelogyne monticola J.J.Sm. 1933 C. Sulawesi
Coelogyne mooreana Rolfe 1907 Vietnam
Coelogyne mossiae Rolfe 1894 S. India (Kerala, Tamil Nadu)
Coelogyne motleyi Rolfe ex J.J.Wood, D.A.Clayton & C.L.Chan 1998 Borneo
Coelogyne moultonii J.J.Sm. 1912 Borneo (Sabah, Sarawak)
Coelogyne multiflora Schltr. 1911 N. Sulawesi
Coelogyne muluensis J.J.Wood 1984 Borneo (Sarawak)
Comparettia macroplectron Rchb.f. & Triana 1878 Colombia
Comparettia markgrafii (Friedrich) M.W.Chase & N.H.Williams 2008 Peru
Comparettia micrantha (Poepp. & Endl.) M.W.Chase & N.H.Williams 2008 Ecuador to Bolivia
Comparettia minuta (Garay & Dunst.) M.W.Chase & N.H.Williams 2008 N. Venezuela
Comparettia mirthae (Königer) M.W.Chase & N.H.Williams 2008 Peru
Comparettia moroniae D.E.Benn. & Christenson 2007 Peru
Conchidium microchilos (Dalzell) Rauschert 1983 S. India
Conchidium muscicola (Lindl.) Rauschert 1983 Himalaya to Indo-China
Constantia microscopica F.E.L.Miranda 1991 Brazil (Minas Gerais)
Corallorhiza macrantha Schltr. 1918 Mexico (Puebla, Veracruz, Oaxaca), W. Guatemala
Corallorhiza maculata Raf. 1817 Canada to U.S.A.
Corallorhiza maculata var. maculata Canada to U.S.A.
Corallorhiza maculata var. mexicana (Lindl.) Freudenst. 1997 Mexico to Guatemala
Corallorhiza maculata var. occidentalis (Lindl.) Ames 1924 Canada to U.S.A.
Corallorhiza mertensiana Bong. 1833 Alaska to W. U.S.A.
Corunastylis mollissima (Rupp) D.L.Jones & M.A.Clem. 2018
Coryanthes macrantha (Hook.) Hook. 1831 Trinidad to S. Trop. America
Coryanthes macrocorys Rolfe 1892 Peru (Amazonas, San Martín)
Coryanthes maculata Hook. 1831 N. South America to Brazil (Roraima)
Coryanthes maduroana G.Gerlach 2004 Panama
Coryanthes mastersiana F.Lehm. 1891 Colombia to NW. Ecuador
Coryanthes melissae Archila 2007 Guatemala
Coryanthes minima A.T.Oliveira & J.B.F.Silva 2002 Brazil (Pará)
Coryanthes misasii G.A.Romero & G.Gerlach 1991 Colombia (Antioquia)
Coryanthes miuaensis M.F.Silva & A.T.Oliveira 1999 Brazil (Amazonas)
Coryanthes mystax G.Gerlach & J.B.F.Silva 2010 Brazil (Pará)
Corybas macranthus (Hook.f.) Rchb.f. 1871 New Zealand, Chatham Is., Antipodean Is.
Corybas mammillifer P.Royen 1983 New Guinea
Corybas mankiensis P.Royen 1983 New Guinea
Corybas merrillii (Ames) Ames 1908 Philippines (Luzon)
Corybas minimus ( R.J.Bates ) J.M.H.Shaw 2017 South Australia
Corybas minimus (R.J.Bates) J.M.H.Shaw 2017 South Australia
Corybas minutus (Drake) Schltr. 1923 Society Is. (Tahiti, Moorea, Raiatea)
Corybas mirabilis (Schltr.) Schltr. 1923 Solomon Is. to Vanuatu
Corybas moluccanus (Schltr.) Schltr. 1923 Maluku
Corybas montanus D.L.Jones 1988 SE. Queensland
Corybas montis-stellaris P.Royen 1979 New Guinea
Corybas muluensis J.Dransf. 1986 Borneo (Sarawak)
Corybas muscicola (Schltr.) Schltr. 1923 Sulawesi
Corycium microglossum Lindl. 1839 SW. Cape Prov.
Corymborkis minima P.J.Cribb 1996 Cameroon to Equatorial Guinea
Cranichis macroblepharis Rchb.f. 1878 Ecuador
Cranichis muscosa Sw. 1788 S. Florida to Trop. America
Cremastra malipoensis G.W.Hu 2013 China (Yunnan)
Crepidium maaikeae Marg., Szlach. & Kubala 1999 New Guinea
Crepidium maboroensis (Schltr.) Szlach. 1995 New Guinea
Crepidium mackinnonii (Duthie) Szlach. 1995 Indian Subcontinent to China (C. Yunnan)
Crepidium macrochilum (Rolfe) Szlach. 1995 Pen. Thailand, Pen. Malaysia (Kedah)
Crepidium macrophyllum (Schltr.) Szlach. 1995 New Guinea
Crepidium macrotis (Kraenzl.) Szlach. 1995 New Guinea
Crepidium maculatum (Ridl.) Schuit. & J.J.Wood 2011 Borneo (Sarawak)
Crepidium magnicallosa (Marg. & Szlach.) J.M.H.Shaw 2014 Solomon Is.
Crepidium malabarica (Marg. & Szlach.) J.M.H.Shaw 2014 SW. India
Crepidium mambulilingense (J.J.Sm.) Marg. 2012 Sulawesi
Crepidium mariae Marg. & Szlach. 2000 Solomon Is.
Crepidium marsupichilum (Upton) Szlach. 1995 N. Australia to Solomon Is.
Crepidium matsudae (Yamam.) Szlach. 1995 Nansei-shoto to C. & S. Taiwan
Crepidium maximowiczianum (King & Pantl.) Szlach. 1995 Sikkim to Assam (Maghalaya)
Crepidium megalanthum subsp. megalanthum New Guinea
Crepidium megalanthum (Schltr.) Szlach. 1995 New Guinea
Crepidium megalanthum subsp. novoguineense (Marg., Szlach. & Kubala) Marg. 2012 New Guinea
Crepidium melanophyllum (Schltr.) Szlach. 1995 New Guinea
Crepidium merapiense (Schltr.) Szlach. 1995 Pen. Thailand, W. Sumatera
Crepidium merrillii (Ames) Szlach. 1995 Philippines (Mindoro: Mt. Halcon)
Crepidium metallicum (Rchb.f.) Szlach. 1995 Pen. Malaysia, Borneo (Sabah, Sarawak)
Crepidium micholitzianum (Kraenzl.) Schuit. & de Vogel 2011 New Guinea
Crepidium micranthum (Hook.f.) Szlach. 1995 W. Malesia
Crepidium microhybos (Schltr.) Szlach. 1995 New Guinea
Crepidium mindorense (Rendle) M.A.Clem. & D.L.Jones 1996 Philippines (Mindoro: Mt. Dulungan)
Crepidium moluccanum (J.J.Sm.) Ormerod 2017 S. Taiwan (Lan Y?) to Philippines, Maluku to Solomon Is.
Crepidium multiflorum (Ames & C.Schweinf.) Szlach. 1995 Borneo (G. Kinabalu)
Crepidium myosotis M.A.Clem. & D.L.Jones 1996 New Guinea
Cryptophoranthus minutus Rolfe 1895
Cryptostylis maculata (J.J.Sm.) J.J.Sm. 1929 New Guinea
Cyanaeorchis minor Schltr. 1920 Brazil (Brasília D.F., Paraná)
Cyclopogon macer Schltr. 1921 Ecuador
Cyclopogon macrobracteatus J.M.H.Shaw 2014 Venezuela
Cyclopogon maldonadoanus Dodson 1993 Ecuador (Carchi)
Cyclopogon millei (Schltr.) Schltr. 1920 W. South America to NW. Venezuela
Cyclopogon miradorensis Schltr. 1925 Caribbean, Mexico to C. America
Cyclopogon multiflorus Schltr. 1922 SE. & S. Brazil
Cycnoches maculatum Lindl. 1840 Colombia to N. Venezuela
Cycnoches manoelae P.Castro & Campacci 1993 Brazil (Pará)
Cylindrolobus marginatus (Rolfe) S.C.Chen & J.J.Wood 2009 China (S. Yunnan) to Myanmar
Cylindrolobus megalophus (Ridl.) Schuit., Y.P.Ng & H.A.Pedersen 2018
Cylindrolobus microbambusa (Kraenzl.) Schuit., Y.P.Ng & H.A.Pedersen 2018
Cylindrolobus mucronatus (Lindl.) Rauschert 1983
Cymbidium macrorhizon Lindl. 1833 N. Pakistan to E. India and Temp. E. Asia
Cymbidium madidum Lindl. 1840 Queensland to N. New South Wales
Cymbidium mastersii Griff. ex Lindl. 1845 E. Himalaya to China (W. Yunnan)
Cymbidium micranthum Z.J.Liu & S.C.Chen 2004 China (SE. Yunnan)
Cymbidium munronianum King & Pantl. 1895 E. Himalaya to Assam
Cynorkis mammuthus Hermans & P.J.Cribb 2017 Madagascar
Cynorkis mangabensis Hermans & P.J.Cribb 2017 Madagascar
Cynorkis marojejyensis Bosser 1969 NE. Madagascar
Cynorkis melinantha Schltr. 1924 C. Madagascar
Cynorkis mellitula Toill.-Gen. & Bosser 1961 C. Madagascar
Cynorkis mesophylla Schltr. 1916 N. Madagascar
Cynorkis micrantha (Frapp. ex Cordem.) Schltr. 1915 Réunion
Cynorkis minuticalcar Toill.-Gen. & Bosser 1964 C. Madagascar
Cynorkis monadenia H.Perrier 1939 C. Madagascar
Cynorkis muscicola Bosser 1969 SE. Madagascar
Cypripedium macranthos var. hotei-atsumorianum
Cypripedium macranthos Sw. 1800 E. Belarus to Temp. E. Asia
Cypripedium margaritaceum Franch. 1888 China (SW. Sichuan, NW. Yunnan)
Cypripedium micranthum Franch. 1894 China (Sichuan, Choingqing)
Cypripedium molle Lindl. 1840 Mexico (Puebla, Oaxaca)
Cypripedium montanum Douglas ex Lindl. 1840 Alaska to California
Cyrtochilum maasii Szlach. & Kolan. 2014 Colombia
Cyrtochilum macasense (Dodson) Dalström 2001 E. Ecuador to N. Peru
Cyrtochilum macranthum (Lindl.) Kraenzl. 1917 Colombia to N. Peru
Cyrtochilum matangense (Bockemühl) Dalström 2001 E. Ecuador
Cyrtochilum megalophium (Lindl.) Kraenzl. 1917 W. South America to NW. Venezuela
Cyrtochilum meirax (Rchb.f.) Dalström 2001 Puerto Rico to Venezuela and W. South America
Cyrtochilum melanthes (Rchb.f. & Warsz.) Kraenzl. 1917 W. South America
Cyrtochilum mendax (Rchb.f.) Kraenzl. 1917 Colombia to C. Ecuador
Cyrtochilum metallicum (Rchb.f.) Kraenzl. 1917 Colombia
Cyrtochilum methonica (Rchb.f.) Kraenzl. 1917 Bolivia
Cyrtochilum mezae D.E.Benn. & Christenson 2001 Peru
Cyrtochilum microxiphium (Rchb.f.) Kraenzl. 1917 Bolivia
Cyrtochilum midas Dalström 2010 Ecuador
Cyrtochilum minax (Rchb.f.) Kraenzl. 1917 Peru
Cyrtochilum misasianum P.Ortiz 2007 Colombia
Cyrtochilum miserrimum (Rchb.f.) Kraenzl. 1917 Colombia to NW. Venezuela
Cyrtochilum murinum (Rchb.f.) Kraenzl. 1917 NW. Venezuela to N. Peru
Cyrtochilum myanthum (Lindl.) Kraenzl. 1917 S. Colombia to N. Peru
Cyrtochilum mystacinum Lindl. 1838 S. Peru to Bolivia
Cyrtopodium macedoi J.A.N.Bat. & Bianch. 2006 Brazil (Minas Gerais)
Cyrtopodium macrobulbon (Lex.) G.A.Romero & Carnevali 1999 Mexico to C. America
Cyrtopodium minutum L.C.Menezes 2004 Brazil (Brasília D.F.)
Cyrtorchis monteiroae (Rchb.f.) Schltr. 1914 W. Trop. Africa to Uganda and Angola
Cystorchis macrophysa Schltr. 1911 Borneo (Sarawak)
Cystorchis marginata Blume 1859 Jawa
Dactylorhiza maculata subsp. savogiensis (D.Tyteca & Gathoye) Kreutz 2004 Pyrenees, W. Alps
Dactylorhiza maculata (L.) Soó 1962 NW. Africa, Europe to C. Siberia
Dactylorhiza maculata subsp. battandieri (Raynaud) H.Baumann & Künkele 1988 N. Algeria
Dactylorhiza maculata subsp. caramulensis Verm. 1970 SW. Europe
Dactylorhiza maculata subsp. elodes (Griseb.) Soó 1962 Europe
Dactylorhiza maculata subsp. ericetorum (E.F.Linton) P.F.Hunt & Summerh. 1965 W. Europe
Dactylorhiza maculata subsp. islandica (Á.Löve & D.Löve) Soó 1962 Iceland
Dactylorhiza maculata subsp. maculata Europe to Siberia
Dactylorhiza maculata subsp. podesta (Landwehr) Kreutz 2000 Netherlands
Dactylorhiza maculata subsp. transsilvanica (Schur) Soó 1962 EC. & SE. Europe
Dactylorhiza magna (Czerniak.) Ikonn. 1972 C. Asia
Dactylorhiza majalis (Rchb.) P.F.Hunt & Summerh. 1965 Europe to Siberia
Dactylorhiza majalis subsp. baltica (Klinge) H.Sund. 1980 Finland to C. Asia
Dactylorhiza majalis subsp. majalis Europe
Dactylorhiza majalis subsp. sphagnicola (Höppner) H.A.Pedersen & Hedrén 2004 N. & W. Europe
Daiotyla maculata (Garay) Dressler 2005 Colombia