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total 356
Genus Species Author Year Distribution
Acianthera unguicallosa (Ames & C.Schweinf.) Solano 2003 Revillagigedo Is. (I. Socorro)
Acrolophia ustulata (Bolus) Schltr. & Bolus 1894 SW. Cape Prov.
Adenoncos uniflora J.J.Sm. 1920 S. Sumatera
Aerangis ugandensis Summerh. 1931 E. Zaïre to Kenya
Aeranthes unciformis P.J.Cribb & Nusb. 2012 Madagascar
Aeridostachya unifolia (J.J.Sm.) Rauschert 1983
Agrostophyllum uniflorum Schltr. 1905 New Guinea
Agrostophyllum urdanetae Ormerod 2014 Philippines
Anathallis unduavica (Luer & R.Vásquez) Pridgeon & M.W.Chase 2001 Bolivia (La Paz)
Andinia uchucayensis A.Doucette & J.Portilla 2017 Ecuador
Andinia ursula (Luer & R.Escobar) Karremans & S.V.Uribe 2017 Colombia (Boyac?)
Angraecum umbrosum P.J.Cribb 1985 Malawi
Angraecum undulatum (Cordem.) Schltr. 1915 Mascarenes
Angraecum urschianum Toill.-Gen. & Bosser 1961 ENE. Madagascar
Anguloa uniflora Ruiz & Pav. 1798 C. Peru
Appendicula uncata Ridl. 1896 S. Pen. Malaysia, Borneo
Appendicula uncata subsp. sarawakensis J.J.Wood 1984 Borneo (Sabah, Sarawak)
Appendicula uncata subsp. uncata S. Pen. Malaysia
Appendicula undulata Blume 1825 Pen. Thailand to W. & C. Malesia
Appendicula undulata var. longicalcarata (Rolfe) Ames 1921 Sumatera to Philippines
Appendicula undulata var. undulata Pen. Thailand to W. & S. Malesia
Aspidogyne umbraticola (Garay) Meneguzzo 2012 SE. Colombia to Bolivia
Aspidogyne unicornis (Ormerod) Meneguzzo 2012 Venezuela
Aspidogyne utriculata (Dressler) Szlach. 1995 Costa Rica
Barkeria uniflora (Lex.) Dressler & Halb. 1977 C. & SW. Mexico
Bletia urbana Dressler 1968 Mexico (México D.F., Oaxaca)
Brachionidium uxorium Luer & R.Vásquez 1995 Bolivia
Brachypeza unguiculata (Lindl.) Kocyan & Schuit. 2014 Andaman Is. to Malesia
Brachystele unilateralis (Poir.) Schltr. 1920 Peru, Chile to SW. Argentina
Bulbophyllum uhl-gabrielianum Chiron & V.P.Castro 2009 Brazil (Espírito Santo)
Bulbophyllum umbellatum Lindl. 1830 WC. Himalaya to Taiwan
Bulbophyllum umbellatum var. fuscescens (Hook.f.) P.K.Sarkar 1984 Nepal to Sikkim
Bulbophyllum umbellatum var. umbellatum WC. Himalaya to Taiwan
Bulbophyllum uncinatum J.J.Verm. & P.O'Byrne 2003 Sulawesi
Bulbophyllum unciniferum Seidenf. 1973 China (S. Yunnan) to N. Indo-China
Bulbophyllum undatilabre J.J.Sm. 1912 New Guinea
Bulbophyllum undecifilum J.J.Sm. 1927 W. Jawa, Borneo (Sabah, Sarawak)
Bulbophyllum unguiculatum Rchb.f. 1850 Malesia to New Guinea
Bulbophyllum unguilabium Schltr. 1913 New Guinea
Bulbophyllum unicaudatum Schltr. 1913 New Guinea
Bulbophyllum unicaudatum var. unicaudatum New Guinea
Bulbophyllum unicaudatum var. xanthosphaerum Schltr. 1913 New Guinea
Bulbophyllum uniflorum (Blume) Hassk. 1844 W. & C. Malesia
Bulbophyllum unifoliatum De Wild. 1921 Rwanda to S. Trop. Africa
Bulbophyllum unifoliatum subsp. flectens (P.J.Cribb & P.Taylor) J.J.Verm. 1987 SW. & S. Tanzania to Malawi
Bulbophyllum unifoliatum subsp. infracarinatum (G.Will.) J.J.Verm. 1987 S. Trop. Africa
Bulbophyllum unifoliatum subsp. unifoliatum Rwanda to Angola
Bulbophyllum unitubum J.J.Sm. 1929 New Guinea
Bulbophyllum univenum J.J.Verm. 1993 Sulawesi
Bulbophyllum upupops J.J.Verm., P.O'Byrne & A.L.Lamb 2015 Borneo (Sarawak)
Bulbophyllum urceolatum A.D.Hawkes 1952 Caroline Is. (Pohnpei)
Bulbophyllum uroglossum Schltr. 1921 New Guinea
Bulbophyllum uroplatoides Hermans & G.A.Fisch. 2009 Madagascar
Bulbophyllum urosepalum Schltr. 1913 New Guinea
Bulbophyllum ustulatum Aver. 2018 Vietnam (Indo-China, Asia-Tropical)
Bulbophyllum ustusfortiter J.J.Verm. 1993 E. New Guinea
Bulbophyllum uviflorum P.O'Byrne 1999 Sulawesi
Caladenia uliginosa A.S.George 1984 SW. Australia
Caladenia uliginosa subsp. candicans Hopper & A.P.Br. 2001 SW. Australia
Caladenia uliginosa subsp. patulens Hopper & A.P.Br. 2001 SW. Australia
Caladenia uliginosa subsp. uliginosa SW. Australia
Caladenia ultima Hopper & A.P.Br. 2001 WSW. Australia
Caladenia ustulata (D.L.Jones) G.N.Backh. 2010 New South Wales
Calanthe uncata Lindl. 1855 Darjiling
Calanthe undulata J.J.Sm. 1903 Borneo
Calanthe unifolia Ridl. 1923 N. Sumatera
Calochilus uliginosus D.L.Jones 2006 SW. Australia
Campylocentrum ulei Cogn. 1906 SE. Ecuador to Brazil and Argentina (Misiones)
Campylocentrum ulei var. peruvianum C.Schweinf. 1953
Catasetum uncatum Rolfe 1895 Brazil (Pernambuco)
Caucaea universitascuencae Königer & D.Vázquez ex Molinari 2016 Ecuador (Western South America, Southern America)
Chelonistele unguiculata Carr 1935 Borneo (Brunei, Sarawak)
Chiloschista usneoides (D.Don) Lindl. 1832 Himalaya to Myanmar
Chysis undulata B.S.Williams 1894
Cleisostoma uraiense (Hayata) Garay & H.R.Sweet 1974 Nicobar Is., S. Taiwan (incl. Lan Yü) to Philippines, N. Borneo
Cleistes uliginosa Pabst 1967 WC. Brazil
Cleistes unguiculata (Rchb.f.) Schltr. 1926 SE. Brazil
Cleistes unifoliata (C.Schweinf.) Carnevali & I.Ramírez 1990 SE. Venezuela, Suriname
Cleistes uribei Szlach. & Baranow 2012 Colombia
Coelogyne undatialata J.J.Sm. 1928 Maluku (Buru)
Coelogyne usitana Roeth & O.Gruss 2001 Philippines
Coelogyne ustulata C.S.P.Parish & Rchb.f. 1874 Myanmar to N. Thailand
Corybas umbonatus (Schltr.) Schltr. 1923 New Guinea
Corybas umbrosus J.Dransf. & J.B.Comber 1986 Jawa
Corybas undulatus (R.Cunn.) Rupp 1928 SE. Queensland to E. New South Wales
Corybas unguiculatus (R.Br.) Rchb.f. 1871 S. & E. Australia
Corybas urikensis P.Royen 1983 New Guinea
Cremastra unguiculata (Finet) Finet 1897 China (Jiangxi), Korea, C. & S. Japan
Crepidium umbonatum (Schltr.) Szlach. 1995 New Guinea
Crepidium umbraticola (Schltr.) Szlach. 1995 Sulawesi
Crepidium uncatum (Ames) M.A.Clem. & D.L.Jones 1996 Philippines (Luzon)
Crepidium undulatum (Schltr.) Szlach. 1995 New Guinea
Cylindrolobus uniflorus (J.J.Wood) Y.P.Ng & P.O'Byrne 2015 Borneo (Sabah, Sarawak)
Cylindrolobus uninodus P.O'Byrne & J.J.Verm. 2017 Sulawesi (Malesia, Asia-Tropical)
Cynorkis uliginosa Bosser 2015 Madagascar
Cynorkis uncata (Rolfe) Kraenzl. 1902 Kenya to Tanzania
Cynorkis unguiculata Hermans & P.J.Cribb 2017 N. Madagascar
Cynorkis uniflora Lindl. 1835 C. Madagascar
Cynorkis usambarae Rolfe 1898 Tanzania (C. Usambara Mts.)
Cyrtochilum umbonatum (Rchb.f.) Kraenzl. 1917 C. & SC. Ecuador
Cyrtochilum umbrosum (Rchb.f.) Dalström 2001 Colombia to NW. Venezuela
Cyrtochilum undulatum Kunth 1816 Colombia
Cyrtochilum ustulatum (Rchb.f.) Kraenzl. 1917 Colombia
Dactylorhiza umbrosa (Kar. & Kir.) Nevski 1937 W. & C. Asia to Siberia
Dactylorhiza urvilleana (Steud.) H.Baumann & Künkele 1981 N. & NE. Turkey to Iran
Demorchis umbrosa (B.Gray) D.L.Jones & M.A.Clem. 2018
Dendrobium uliginosum J.J.Sm. 1910 New Guinea
Dendrobium umbellatum (Gaudich.) Rchb.f. 1861 Maluku to New Guinea
Dendrobium umbonatum Seidenf. 1985 Indo-China
Dendrobium uncatum Lindl. 1858 N. Borneo, W. Jawa (incl. Krakatau)
Dendrobium uncipes J.J.Sm. 1912 New Guinea
Dendrobium undatialatum Schltr. 1912 New Guinea to Solomon Is.
Dendrobium unibulbe (Seidenf.) Schuit. & Peter B.Adams 2011 Indo-China
Dendrobium unicarinatum Kores 1989 Fiji (Viti Levu)
Dendrobium unicorne Ames 1915 Philippines (Laguna, Leyte)
Dendrobium unicum Seidenf. 1970 Indo-China
Dendrobium uniflorum Griff. 1851 Indo-China to W. & C. Malesia
Dendrobium usterii Schltr. 1906 Philippines
Dendrobium usterioides Ames 1915 Philippines (Luzon, Mindoro)
Dendrobium ustulatum Carr 1932 Pen. Malaysia, Borneo (Sabah, Sarawak)
Dendrobium utile J.J.Sm. 1904 Sulawesi to Maluku
Dendrochilum uncatum Rchb.f. 1855 Taiwan (Hengchun Pen., Lan Yü) to Philippines
Dendrochilum uncatum var. longispicatum (Ames) H.A.Pedersen 1997 Philippines
Dendrochilum uncatum var. uncatum Taiwan (Hengchun Pen., Lan Yü) to Philippines
Dendrochilum undulatum H.A.Pedersen 2007 Philippines ?
Dendrochilum unicallosum L.O.Williams 1937 Philippines (Luzon)
Dendrochilum unicorne (Ames) L.O.Williams 1952 Philippines (Luzon: Mt. Simakoko)
Diacrium ulmckei Kraenzl. 1927
Disa ukingensis Schltr. 1915 S. Tanzania to E. Zambia
Disa uncinata Bolus 1884 SW. & S. Cape Prov.
Disa uniflora P.J.Bergius 1767 SW. Cape Prov.
Disperis uzungwae Verdc. 1986 Tanzania
Diuris unica D.L.Jones 2006 Queensland to New South Wales
Dracula ubangina Luer & Andreetta 1980 Ecuador (Pichincha)
Echinosepala uncinata (Fawc.) Pridgeon & M.W.Chase 2002 C. America to Venezuela, Jamaica
Encyclia unaensis Fowlie 1991 Brazil (Bahia)
Encyclia uxpanapensis Salazar 1999 Mexico (Veracruz, Oaxaca)
Epiblastus unguiculatus (J.J.Sm.) Ormerod 2015 W. New Guinea
Epidendrum ulei Schltr. 1914 S. Venezuela to Guyana and N. Brazil
Epidendrum uleinanodes Hágsater 1999 N. Brazil to Ecuador
Epidendrum uncinatum D.E.Benn. & Christenson 1998 Peru
Epidendrum unguiculatum (C.Schweinf.) Garay & Dunst. 1976 N. South America to Peru
Epidendrum unicallosum Hágsater & E.Santiago 2006 Panama
Epidendrum unifoliatum Schltr. 1921 Peru
Epidendrum upanodifforme Hágsater & Dodson 1999 Ecuador
Epidendrum urbanianum Cogn. 1910 Lesser Antilles to Venezuela
Epidendrum uribei A.D.Hawkes 1957 Colombia
Epidendrum uribeianum J.M.H.Shaw 2016 Colombia
Epidendrum urichianum Carnevali, Foldats & I.Ramírez 1992 S. Venezuela to Guyana
Epidendrum urraoense Hágsater 1999 Colombia (Valle del Cauca, Antioquia)
Epidendrum urubambae Hágsater 2001 Peru
Epidendrum utcuyacuense Hágsater 1993 Peru
Epipactis ulugurica Mansf. 1934 Tanzania (Uluguru Mts.)
Eria umbonata F.Muell. & Kraenzl. 1894 New Guinea
Eulophia ukingensis Schltr. 1915 Tanzania
Gastrodia umbrosa B.Gray 2017 Queensland (Australia, Australasia)
Gastrodia uraiensis T.C.Hsu & C.M.Kuo 2010 Taiwan
Gastrodia urceolata D.L.Jones 1991 Queensland
Glomera umbrosa (P.Royen) J.M.H.Shaw 2016 New Guinea
Glomera uniflora J.J.Sm. 1908 New Guinea
Gomesa uhlii (Chiron & V.P.Castro) M.W.Chase & N.H.Williams 2009 Brazil (Espírito Santo)
Gomesa uniflora (Booth ex Lindl.) M.W.Chase & N.H.Williams 2009 SE. & S. Brazil
Gongora unicolor Schltr. 1923 S. Mexico to C. America
Goodyera umbrosa (D.L.Jones & M.A.Clem.) J.M.H.Shaw 2014 Queensland
Govenia utriculata (Sw.) Lindl. 1839 Mexico to Trop. America
Grosourdya urunensis J.J.Wood, C.L.Chan & A.L.Lamb 2011 Borneo (Sabah)
Habenaria ugandensis Summerh. 1962 Uganda
Habenaria uhehensis Schltr. 1906 Tanzania to S. Trop. Africa
Habenaria ulei Cogn. 1893 Brazil (Santa Catarina)
Habenaria uliginosa Rchb.f. 1850 Brazil (Minas Gerais)
Habenaria umbraticola Barb.Rodr. 1877 SE. & S. Brazil
Habenaria uncata R.Jiménez, L.Sánchez & García-Cruz 2002 Mexico (Morelos, Oaxaca)
Habenaria uncatiloba C.Schweinf. 1943 Peru
Habenaria uncicalcar Summerh. 1962 S. Tanzania to S. Trop. Africa
Habenaria uncinata Szlach. & Olszewski 1998 NE. Zaïre (Ruwenzori)
Habenaria undulata Frapp. ex Cordem. 1895 Réunion
Habenaria unellezii Foldats 1990 Venezuela (Cojedes, Portuguesa)
Habenaria unguilabris B.R.Adams 1990 Zimbabwe
Habenaria unidentata Blume ex Kraenzl. 1892 42 JAW
Habenaria unifoliata Summerh. 1942 S. Trop. Africa
Habenaria urbaniana Cogn. 1893 Brazil (Tocantins to Minas Gerais)
Habenaria uruguayensis Garay 1976 N. Argentina to Uruguay
Hancockia uniflora Rolfe 1903 China (S. Yunnan) to N. Vietnam, Japan (Yakushima), Nansei-shoto (Osumi Gunto), NW. Taiwan
Holothrix unifolia Rchb.f. 1881 Ethiopia (Gonder, Shewa)
Houlletia unguiculata Schltr. 1920 Colombia
Ionopsis utricularioides (Sw.) Lindl. 1826 S. Florida, S. Mexico to Trop. America
Isochilus unilateralis B.L.Rob. 1894 Mexico
Jumellea usambarensis J.J.Wood 1982 Kenya to N. Mozambique
Laelia undulata (Lindl.) L.O.Williams 1941 Costa Rica to Trinidad
Lepanthes umbonata Luer & R.Escobar 1984 Colombia (Antioquia, Nariño)
Lepanthes umbonifera Endrés ex Luer 1995 Costa Rica
Lepanthes uncifera Luer & R.Escobar 1984 Colombia (Chocó, Antioquia)
Lepanthes uncinata Luer & B.T.Larsen 2012 Venezuela
Lepanthes unguicularis Hespenh. 1968 Jamaica (Cockpit Co.)
Lepanthes unijuga Luer & Dalström 1996 Ecuador (Imbabura)
Lepanthes unitrinervis Carnevali & I.Ramírez 1993 Venezuela (Bolívar)
Lepanthes urania Luer & Hirtz 1996 Ecuador (Carchi)
Lepanthes urbaniana Mansf. 1926 Hispaniola
Lepanthes uribei Luer 2003 Colombia (Valle del Cauca)
Lepanthes urotepala Rchb.f. 1856 Ecuador
Lepanthes usitata Luer & R.Vásquez 1983 Bolivia
Lepanthes utyumii Bogarín & D.Jiménez 2015 Costa Rica, 80 COS
Lepanthes uvallensis Archila 2002 Guatemala
Lepanthes uxoria Luer & Hirtz 1996 Ecuador (Morona-Santiago)
Lepanthopsis ubangii Luer 1991 Ecuador (Zamora-Chinchipe)
Leptotes unicolor Barb.Rodr. 1877 Brazil to NE. Argentina
Liparis udaii S.Misra 2009 India (Orissa)
Luisia unguiculata J.J.Sm. 1926 Lesser Sunda Is. (Timor)
Macroclinium undulatum Vierling 2017
Malaxis umbelliflora Sw. 1788 Cuba, Jamaica
Malaxis unifolia Michx. 1803 E. Canada, C. & E. U.S.A. to C. America, Caribbean
Malaxis urbana E.W.Greenw. 1992 Mexico (México State, Oaxaca)
Masdevallia uncifera Rchb.f. 1878 W. Colombia to N. Ecuador
Masdevallia unguentum A.Doucette 2012 Colombia
Masdevallia uniflora Ruiz & Pav. 1798 Peru (Junín)
Masdevallia urceolaris Kraenzl. 1922 Colombia (Norte de Santander)
Masdevallia ustulata Luer 1983 NE. Colombia to N. Peru
Masdevallia utriculata Luer 1979 Panama
Maxillaria ubatubana Hoehne 1947 SE. Brazil
Maxillaria umbratilis L.O.Williams 1941 Costa Rica to Panama
Maxillaria uncata Lindl. 1837 S. Trop. America
Maxillaria unguiculata Schltr. 1920 Colombia
Maxillaria unguilabia Schltr. 1920 Colombia
Maxillaria unicarinata C.Schweinf. 1944 Peru (Ayacucho)
Maxillaria uniflora (Ruiz & Pav.) Molinari 2015 Costa Rica, W. South America
Maxillaria urbaniana F.Lehm. & Kraenzl. 1899 Ecuador
Mediocalcar umboiense Schuit. 1997 Bismarck Arch. (Umboi I.)
Mediocalcar uniflorum Schltr. 1911 New Guinea
Microchilus uribei Szlach. & Kolan. 2014 Colombia
Micropera uncinata (Teijsm. & Binn.) Garay 1972 Jawa
Micropera utriculosa (Ames) Garay 1972 Philippines
Microtis unifolia (G.Forst.) Rchb.f. 1871 S. China to Japan, Malesia, Australasia to SW. Pacific
Mormodes uncia Rchb.f. 1869 Mexico (Oaxaca)
Myoxanthus uxorius (Luer) Luer 1982 Colombia to Ecuador
Myrosmodes ustulata (Schltr.) Garay 1978 SW. Colombia to Ecuador and NW. Venezuela
Neotinea ustulata (L.) R.M.Bateman, Pridgeon & M.W.Chase 1997 Europe to Caucasus
Neotinea ustulata var. aestivalis (Kümpel) Tali, M.F.Fay & R.M.Bateman 2006 Europe
Neotinea ustulata var. ustulata Europe to Caucasus
Neottia unguiculata (W.W.Sm.) Szlach. 1995 N. Myanmar
Neottia ussuriensis (Kom. & Nevski) Soó 1969 S. Primorye
Nervilia umenoi Fukuy. 1940 Caroline Is. (Palau)
Nervilia umphangensis Suddee, Rueangr. & S.W.Gale 2014 N. Thailand
Nervilia uniflora (F.Muell.) Schltr. 1906 N. Australia
Oberonia urostachya Schltr. 1911 New Guinea
Octarrhena umbellulata Schltr. 1913 New Guinea
Octarrhena uniflora Schuit. & de Vogel 2009 Papua New Guinea
Octomeria uberiformis Sambin & Chiron 2014 French Guiana
Octomeria umbonulata Schltr. 1925 S. Brazil
Octomeria unguiculata Schltr. 1925 Brazil (Rio Grande do Sul)
Odontochilus umbrosus (Aver.) Ormerod 2002 S. Vietnam
Odontochilus uniflorus (Blume) H.A.Pedersen & Ormerod 2009 Pen. Thailand to Sumatera
Odontochilus urceolatus (Tang & K.Y.Lang) T.Yukawa, Bull. Natl. Mus. Nat. Sci., Tokyo 2016 China (SE. Yunnan, Guangdong), Hainan
Oeceoclades ugandae (Rolfe) Garay & P.Taylor 1976 Ivory Coast to SW. Ethiopia and SW. Kenya
Oncidium uncinatum (Pupulin, G.Merino & J.Valle) J.M.H.Shaw 2012 Ecuador
Oncidium undatiflorum (Ruiz & Pav.) Pupulin 2012 Peru (Junín)
Oncidium unguiculatum Lindl. 1846 C. & SW. Mexico
Oncidium unguiculoides M.W.Chase & N.H.Williams 2008 Costa Rica
Oncidium universitas-cuencae Königer & D.Vázquez 2007 Ecuador
Oncidium uribei (Szlach. & Kolan.) J.M.H.Shaw 2016 Colombia
Ophrys ulupinara W.Hahn, Passin & R.Wegener 2008 Turkey
Ophrys umbilicata subsp. beerii Shifman 2011 Israel
Ophrys umbilicata subsp. flavomarginata (Renz) Faurh. 2003 Cyprus, Syria to Israel
Ophrys umbilicata subsp. lapethica (Gölz & H.R.Reinhard) Faurh. 2009 Cyprus
Ophrys umbilicata subsp. latakiana (M.Schönfelder & H.Schönfelder) Faurh. & H.A.Pedersen 2008 S. Turkey to N. Syria
Ophrys umbilicata subsp. calycadniensis Perschke 2008 S. Turkey
Ophrys umbilicata Desf. 1807 E. Medit. to Iran
Ophrys umbilicata subsp. bucephala (Gölz & H.R.Reinhard) Biel 1999 E. Aegean Is. to W. Turkey
Ophrys umbilicata subsp. umbilicata E. Medit. to S. Iran
Ophrys urteae Paulus 2009 Turkey
Ornithocephalus urceilabris (P.Ortiz & R.Escobar) Toscano & Dressler 2000 Colombia
Pabstiella uniflora (Lindl.) Luer 2007 N. South America to Brazil
Panisea uniflora (Lindl.) Lindl. 1854 Nepal to China (S. Yunnan) and Pen. Malaysia (Perlis)
Paphiopedilum urbanianum Fowlie 1981 Philippines (Mindoro)
Papilionanthe uniflora (Lindl.) Garay 1974 C. & E. Himalaya to Assam
Peristylus umbonatus (Schltr.) P.F.Hunt 1971 New Guinea
Peristylus unguiculatus J.J.Sm. 1909 Borneo
Phalaenopsis ubonensis (O.Gruss) J.M.H.Shaw 2014 Thailand to Laos
Phloeophila ursula (Luer & Hirtz) Luer 2006 Ecuador (Morona-Santiago)
Phreatia urostachya Schltr. 1913 New Guinea
Platanthera unalascensis (Spreng.) Kurtz 1894 Alaska to Canada and Mexico (N. Baja California)
Platanthera undulata J.J.Sm. 1905 Jawa
Platanthera uniformis Tang & F.T.Wang 1940 SC. China
Platanthera urceolata (C.B.Clarke) R.M.Bateman 2009 Nepal to China (W. Sichuan, NW. Yunnan)
Platanthera ussuriensis (Regel) Maxim. 1886 SE. Amur to China and Japan
Platystele umbellata P.Ortiz 1978 Colombia
Pleurobotryum unguiculatum Hoehne 1936
Pleurothallis undulata Poepp. & Endl. 1836 NW. Venezuela to Peru
Pleurothallis uninervia Luer & Dodson 1999 Ecuador
Pleurothallis unistriata Rolfe 1893
Pleurothallis upanoensis Luer & Hirtz 2003 Ecuador
Pleurothallis urceolata Luer 1980 Ecuador
Pleurothallis uvifera Luer & R.Escobar 1983 Colombia (Norte de Santander)
Pleurothallopsis ujarensis (Rchb.f.) Pridgeon & M.W.Chase 2001 C. America to NW. Ecuador
Podochilus uniflorus J.J.Sm. 1931
Polystachya uluguruensis P.J.Cribb & Podz. 1978 EC. Tanzania
Polystachya undulata P.J.Cribb & Podz. 1978 E. Zaïre to Rwanda and Burundi
Pomatocalpa undulatum subsp. undulatum 2009 E. Himalaya to Bangladesh
Pomatocalpa undulatum subsp. acuminatum (Rolfe) Watthana 2007 C. & S. Taiwan
Pomatocalpa undulatum (Lindl.) J.J.Sm. 1912 E. Himalaya to Bangladesh, Taiwan
Ponthieva unguiculata Ames & C.Schweinf. 1925 Bolivia
Porpax ustulata (C.S.P.Parish & Rchb.f.) Rolfe 1908 China (S. Yunnan) to Indo-China
Porroglossum uxorium Luer 1980 Ecuador (Morona-Santiago)
Prasophyllum unicum Rupp 1942 E. New South Wales
Prasophyllum uvidulum D.L.Jones & D.T.Rouse 2009 Victoria
Pterostylis uliginosa D.L.Jones 1998 SE. Australia
Pterostylis umbrina (D.L.Jones) G.N.Backh. 2010 New South Wales
Pterygodium ukingense Schltr. 1915 SW. Tanzania (Ukinga Mts.)
Rhipidoglossum ugandense (Rendle) Garay 1972 Zaïre to SW. Uganda
Rhynchostele ureskinneri (Lindl.) Soto Arenas & Salazar 1993 Mexico (Chiapas) to Guatemala
Roeperocharis urbaniana Kraenzl. 1892 NW. Ethiopia
Sarcochilus uniflorus Schltr. 1913 New Guinea
Sarcoglottis uliginosa Barb.Rodr. 1877 Brazil to Argentina (Misiones, Corrientes)
Sarcoglottis umbrosa (Barb.Rodr.) Schltr. 1920 SE. Brazil
Scaphosepalum ursinum Luer 1979 Ecuador (Carchi)
Sobralia undatocarinata C.Schweinf. 1938 Costa Rica to W. Panama
Sobralia uribei P.Ortiz 1994 Colombia
Spathoglottis umbraticola Garay 1999 Papua New Guinea
Spathoglottis unguiculata (Labill.) Rchb.f. 1868 SW. Pacific
Specklinia unicornis (Luer) Pridgeon & M.W.Chase 2001 Panama
Stelis uberis Luer & R.Escobar 2016 Colombia
Stelis umbelliformis Hespenh. & Dressler 1971 Panama to W. Colombia
Stelis umbelliformis subsp. brevipedunculata Carnevali & I.Ramírez 1993 SW. Colombia
Stelis umbelliformis subsp. umbelliformis Panama
Stelis umbonis Luer & Hirtz 2007 Ecuador
Stelis umbriae Schltr. 1924 Colombia
Stelis uncifera Luer & Hirtz 2007 Ecuador (Morona-Santiago)
Stelis uncinata Pridgeon & M.W.Chase 2002 Costa Rica
Stelis uncinula Luer & Hirtz 2017 Colombia (Western South America, Southern America)
Stelis undecimi Luer & F.Werner 2009 SE. Ecuador
Stelis undulata Luer & Hirtz 2002 Ecuador
Stelis uniflora Luer & Hirtz 2007 Ecuador
Stelis uninervia C.Schweinf. 1951 Peru (Huánuco)
Stelis uribeorum Luer & R.Escobar 2017 Colombia
Stelis uvaegelata L.E. Matthews 2018
Stenia uribei P.Ortiz 2004 Colombia
Sudamerlycaste uribei (Oakeley) Archila 2009 SW. Colombia
Telipogon urceolatus C.Schweinf. 1947 Peru (Huánuco)
Telipogon uribei P.Ortiz 2011 Colombia
Thelymitra uliginosa Jeanes 2009 SW. Australia
Tolumnia urophylla (Lodd. ex Lindl.) Braem 1986 Lesser Antilles
Tolumnia usneoides (Lindl.) Braem 1986 Cuba
Trichocentrum ultrajectinum (Pulle) J.M.H.Shaw 2016 N. South America
Trichocentrum undulatum (Sw.) Ackerman & M.W.Chase 2001 S. Florida to N. Brazil
Trichoglottis uexkuelliana J.J.Sm. 1906 Borneo
Trichopilia undulatissima D.E.Benn. & Christenson 1998 Peru
Trichosalpinx uvaria Luer 1997 Colombia (Chocó)
Trichotosia unguiculata (J.J.Sm.) Kraenzl. 1911 Borneo
Tridactyle unguiculata Mansf. 1934 SW. Tanzania
Triphora uniflora A.W.C.Ferreira, Baptista & Pansarin 2010 C. Brazil
Uleiorchis ulei (Cogn.) Handro 1958 C. & S. Trop. America
Vanda ustii Golamco, Claustro & de Mesa 2000 Philippines
Vandopsis undulata (Lindl.) J.J.Sm. 1912 Himalaya to China (W. & S. Yunnan)
Vanilla utteridgei J.J.Wood 2002 SW. New Guinea
Veyretia undulata Szlach. 1996 S. Brazil
Vrydagzynea uncinata Blume 1859 W. Jawa
Xylobium undulatum (Ruiz & Pav.) Rolfe 1912 Peru (Huánuco)