Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Clade neomura Cavalier-Smith, 1987
Domain Eukaryota Chatton, 1925 - eukaryotes
Clade discaria Cavalier-Smith, 2021
Clade natates Cavalier-Smith, 2021
Clade photaria Cavalier-Smith, 2021
Clade eucorta Cavalier-Smith, 2021
Superkingdom Corticata Lankester, 1878 - corticates
Kingdom Plantae Haeckel (1866) - plants
Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
Infrakingdom Streptophyta Caval.-Sm. (1993)
Clade Phragmoplastophyta Lecointre & Le Guyader 2006 [Hall, McCourt, Delwiche, Mishler & Karol 2020]
Clade Embryophytaᵀ Engler 1887 [Mishler & Qiu 2020]
Clade Pan-Tracheophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
Clade Apo-Tracheophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
[crown] Phylum Tracheophytaᵀ Sinnott ex Caval.-Sm. (1998) - vascular plants
Clade Pan-Euphyllophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
Clade Euphyllophytaᵀ Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
Clade Pan-Spermatophytaᵀ Cantino & Donoghue 2007 [Cantino, Doyle & Donoghue 2020]
Clade Lignophytaᵀ Crane & Kenrick 1997, nom. cl. inval.
Clade Apo-Spermatophytaᵀ Cantino & Donoghue 2007 [Cantino, Doyle & Donoghue 2020]
[crown] Subphylum Spermatophytinaᵀ Caval.-Sm. (1998) - seed plants
Clade Pan-Angiospermae Cantino & Donoghue 2007 [Doyle, Cantino & Donoghue 2020]
[crown] Class Magnoliopsidaᵀ Brongn. (1843)
Clade Mesangiospermaeᵀ Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
Superorder Lilianae Takht. (1967) - monocots
Clade Petrosaviidaeᵀ Graham & Judd 2007 [Graham, Judd & Iles 2020]
Order Asparagales Link (1829)
Family Orchidaceae Juss. (1789), nom. cons. - orchid family
Genus Aa Reichb. f. (1854)
Genus Abdominea J.J.Sm. (1914)
Genus Acacallis Lindl.
Genus Acampe Lindl. (1853), nom. cons.
Genus Acanthephippium Blume (1825)
Genus Aceras R.Br. (1813)
Genus Acianthera
Genus Acianthus R.Br. (1810)
Genus Acineta Lindl. (1843)
Genus Acostaea Schltr. (1923)
Genus Acriopsis Reinw. ex Blume (1825)
Genus Acrochaene
Genus Acrolophia Pfitzer (1887)
Genus Acrorchis
Genus Ada Lindl. (1854)
Genus Adamantinia
Genus Adenochilus Hook.f. (1853)
Genus Adenoncos Blume (1825)
Genus Adrorhizon Hook.f., in Trimen (1898)
Genus Aenhenrya
Genus Aeranthes Lindl. (1824)
Genus Aganisia Lindl. (1839)
Genus Aglossorrhyncha Schlechter, in K.M. Schumann & Lauterbach (1905)
Genus Alamania Lexarza (1824)
Genus Alatiliparis
Genus Alismorchis
Genus Altensteinia Kunth, in Humb. et al. (1816)
Genus Amalia
Genus Ambrella H. Perrier de la Bâthie (1934)
Genus Amesia A.Nelson & J.F.Macbr. (1913)
Genus Amesiella Schlechter ex Garay (1972)
Genus Amitostigma Schlechter (1919)
Genus Amparoa Schlechter (1923)
Genus Anacampt-orchis
Nothogenus ×Anacamptiplatanthera
Nothogenus ×Anacamptorchis
Genus Anathallis
Genus Ancistrochilus Rolfe, in Thiselton-Dyer (1897)
Genus Ancistrorhynchus Finet (1907)
Genus Andinia (Luer) Luer (2000)
Genus Androcorys Schlechter (1919)
Genus Angraecopsis Kraenzlin (1900)
Genus Anguloa Ruiz & Pav. (1794)
Genus Ania Lindl. (1831)
Genus Anthogonium Wall. ex Lindl. (1840)
Genus Aplectrum J. Torrey (1826)
Genus Aporostylis Rupp & Hatch (1946)
Genus Aracamunia
Genus Archivea
Genus Armodorum Breda (1829)
Genus Arnottia A.Rich. (1828)
Genus Arpophyllum Lexarza, in La Llave & Lexarza (1825)
Genus Arthrochilus F.Muell. (1858)
Genus Artorima R.L. Dressler & G.E. Pollard (1971)
Genus Arundina Blume (1825)
Genus Asarca
Genus Ascidieria G. Seidenfaden (1984)
Genus Ascocentropsis
Genus Ascocentrum Schlechter ex J.J.Sm. (1914)
Genus Ascochilopsis C.E. Carr (1929)
Genus Ascochilus Ridley (1896)
Genus Ascoglossum Schlechter (1913)
Genus Aspasia Lindl. (1832)
Genus Aspidogyne L.A. Garay (1977)
Genus Aulosepalum L.A. Garay (1982)
Genus Auxopus Schlechter (1900)
Nothogenus ×Baptioda G. Staal & J.M.H. Shaw (2004)
Genus Barbosella Schlechter (1918)
Genus Barkeria Knowles & Westcott (1838)
Genus Barombia Schlechter (1914)
Genus Bartholina R.Br., in Aiton & W.T. Aiton (1813)
Genus Basiphyllaea Schlechter (1921)
Genus Baskervilla Lindl. (1840)
Genus Beadlea
Genus Beclardia A.Rich. (1828)
Genus Beloglottis
Nothogenus ×Bensteinia
Genus Benthamia A.Rich. (1828)
Genus Benzingia
Genus Bhutanthera
Genus Biermannia G. King & R. Pantling (1897)
Genus Bifrenaria Lindl. (1832)
Genus Binotia Rolfe (1905)
Genus Blephariglottis
Genus Bletilla Rchb. (1852), nom. cons.
Genus Bogoria J.J.Sm. (1905)
Genus Bolusiella Schlechter (1918)
Genus Bonatea Willd. (1805)
Genus Brachtia Rchb. (1850), nom. cons.
Genus Brachycorythis Lindl. (1838)
Genus Brachypeza Garay (1972)
Genus Brachystele Schlechter (1920)
Genus Bracisepalum J.J.Sm. (1933)
Genus Braemia
Genus Brasiliorchis
Genus Brassavola R.Br. (1813), nom. cons.
Nothogenus ×Brassocattleya
Genus Bromheadia Lindl. (1841)
Genus Broughtonia R.Br., in Aiton & W.T. Aiton (1813)
Genus Brownleea Harv. ex Lindl. (1842)
Genus Bryobium
Genus Buchtienia Schlechter (1929)
Genus Bulleyia Schlechter (1912)
Genus Burnettia Lindl. (1840)
Nothogenus ×Calassodia
Genus Callostylis
Genus Calochilus R.Br. (1810)
Genus Calonema (Lindl.) Szlach. (2001)
Genus Calopogon R.Br. (1813), nom. cons.
Genus Calymmanthera Schlechter (1913)
Genus Calyptrochilum Kraenzlin (1895)
Genus Camaridium
Genus Campanulorchis
Genus Campylocentrum Bentham (1881)
Genus Capanemia J. Barbosa Rodrigues (1877)
Genus Cardiochilos
Nothogenus ×Catyclia
Genus Caucaea Schlechter (1920)
Genus Caularthron Rafinesque (1837)
Genus Centroglossa Barbosa Rodrigues (1882)
Genus Centrostigma Schlechter (1915)
Genus Cephalantheropsis Guillaumin (1960)
Nothogenus ×Cephalopactis
Nothogenus ×Cephalorchis
Genus Ceratandra Ecklon ex F.A. Bauer (1837)
Genus Ceratocentron
Genus Ceratochilus Blume (1825)
Genus Chamaeangis Schlechter (1915)
Genus Chamaeanthus Schlechter ex J.J.Sm. (1905)
Genus Chamaegastrodia Makino & F. Maek. (1935)
Genus Chamaeleorchis
Genus Chamelophyton Garay (1974)
Genus Chamorchis Rich. (1818)
Genus Changnienia Chien (1935)
Genus Chaseella
Genus Chaubardia Rchb. (1852)
Genus Chaubardiella L.A. Garay (1969)
Genus Chauliodon Summerhayes (1943)
Genus Cheiradenia Lindl. (1853)
Genus Cheirostylis Blume (1825)
Genus Chelonistele Pfitzer, in Engl. (1907)
Genus Chelyorchis
Genus Chiloglottis R.Br. (1810)
Genus Chilopogon Schlechter (1912)
Genus Chiloschista Lindl. (1832)
Genus Chondrorhyncha Lindl. (1846)
Genus Chondroscaphe
Genus Christensonella
Genus Christensonia
Genus Chroniochilus J.J.Sm. (1918)
Genus Chrysocycnis Linden & Rchb. (1854)
Genus Chrysoglossum Blume (1825)
Genus Chysis Lindl. (1837)
Genus Chytroglossa Rchb. (1863)
Genus Cirrhaea Lindl. (1832)
Genus Cirrhopetalum
Genus Cischweinfia Dressler & N.H. Williams (1970)
Genus Claderia Hook.f. (1890), nom. cons.
Genus Cladobium
Genus Cleisocentron Brühl (1926)
Genus Cleisomeria Lindl. ex G.Don (1855)
Genus Cleisostomopsis
Genus Cleistes Rich. ex Lindl. (1840)
Genus Cleistesiopsis
Genus Clematepistephium N. Halle (1977)
Genus Clowesia Lindl. (1843)
Genus Coccineorchis
Genus Cochleanthes Rafinesque (1838)
Nothogenus ×Cochlezia Glic. (2007)
Genus Cochlioda Lindl. (1853)
Genus Codonorchis Lindl. (1840)
Genus Codonosiphon Schlechter (1912)
Genus Coelia Lindl. (1830)
Genus Coeliopsis Rchb. (1872)
Genus Coeloglossum Hartm. (1820)
Genus Cohniella Pfitzer (1889)
Genus Coilochilus Schlechter (1906)
Genus Collabium Blume (1825)
Genus Comparettia Poeppig & Endl. (1836)
Genus Comperia K.H.E. Koch (1849)
Genus Conchidium
Genus Constantia Barbosa Rodrigues (1877)
Genus Cooktownia
Genus Cordiglottis J.J.Sm. (1922)
Genus Corycium Sw. (1800)
Genus Corymborkis Thouars (1809)
Genus Cottonia R. Wight (1851)
Genus Cotylolabium
Genus Cremastra Lindl. (1833)
Genus Crepidium C.Presl
Genus Cribbia
Genus Crinonia Banks ex Tul.
Genus Crocodeilanthe
Genus Crossoglossa
Genus Crybe Lindl. (1836)
Genus Cryptarrhena R.Br. (1816)
Genus Cryptocentrum Bentham, in Bentham & Hook.f. (1883)
Genus Cryptochilus Wall. (1824)
Genus Cryptopus Lindl. (1824)
Genus Cryptopylos Garay (1972)
Genus Cryptostylis R.Br. (1810)
Genus Cuitlauzina La Llave & Lexarza (1825)
Genus Cyanaeorchis Barbosa Rodrigues (1877)
Genus Cyanicula
Nothogenus ×Cyanthera
Genus Cybebus
Genus Cycnoches Lindl. (1832)
Genus Cymbidiella Rolfe (1918)
Genus Cyperocymbidium
Genus Cyperorchis
Genus Cyphochilus Schlechter (1912)
Genus Cypholoron C.H. Dodson & R.L. Dressler (1972)
Genus Cyrtidiorchis S. Rauschert (1982)
Genus Cyrtochiloides
Genus Cyrtochilum
Genus Cyrtorchis Schlechter (1914)
Genus Cyrtosia Blume (1825)
Genus Cyrtostylis R.Br. (1810)
Genus Cystorchis Blume (1858)
Nothogenus ×Dactylanthera
Nothogenus ×Dactylocamptis
Nothogenus ×Dactylodenia
Nothogenus ×Dactyloglossum
Genus Dactylogymnadenia
Genus Dactylorchis (Klinge) Verm.
Genus Dactylostalix Rchb. (1878)
Genus Danhatchia
Genus Deceptor
Genus Degranvillea R.O. Determann (1985)
Genus Deiregyne Schlechter (1920)
Genus Dendrophylax Rchb., in Walpers (1864)
Genus Dendrorchis Thouars (1822)
Genus Devogelia
Genus Diaphananthe Schlechter (1914)
Genus Dichromanthus
Genus Dickasonia L.O. Williams (1941)
Genus Dictyophyllaria L.A. Garay (1986)
Genus Didymoplexiella L.A. Garay (1954)
Genus Didymoplexiopsis
Genus Dienia
Genus Diglyphosa Blume (1825)
Genus Dignathe Lindl. (1849)
Genus Dilochia Lindl. (1830)
Genus Dilochiopsis
Genus Dilomilis Rafinesque (1838)
Genus Dimerandra Schlechter (1922)
Genus Dimorphorchis Rolfe (1919)
Genus Dinema Lindl. (1831)
Genus Dinklageella Mansfeld (1934)
Genus Diodonopsis
Genus Diphylax Hook.f. (1889)
Genus Diplocentrum Lindl. (1832)
Genus Diplomeris D.Don (1825)
Genus Diploprora Hook.f. (1890)
Genus Dipodium R.Br. (1810)
Genus Discyphus R. Schlechter (1919)
Genus Distylodon V.S. Summerhayes (1966)
Genus Domingoa Schlechter, in Urban (1913)
Genus Dossinia C. Morren (1848)
Genus Draconanthes
Genus Drakaea Lindl. (1840)
Genus Dresslerella C.A. Luer (1976)
Genus Dressleria C.H. Dodson (1975)
Genus Dryadella C.A. Luer (1978)
Genus Dryadorchis Schlechter (1913)
Genus Drymoanthus W.H. Nicholls (1943)
Genus Drymoda Lindl. (1838)
Genus Duckeella Porto & Brade (1940)
Genus Dunstervillea Garay, in Dunsterville & Garay (1972)
Genus Dyakia E.A. Christenson (1986)
Genus Earina Lindl. (1834)
Genus Echinosepala
Genus Eggelingia Summerhayes (1951)
Genus Eleorchis Maek. (1935)
Genus Eloyella
Genus Eltroplectris
Genus Elythranthera (Endl.) A.S. George (1963)
Genus Embreea C.H. Dodson (1980)
Genus Encheiridion
Genus Entomophobia E.F. de Vogel (1984)
Genus Eparmatostigma Garay (1972)
Genus Ephippianthus Rchb. (1868)
Genus Epiblastus Schlechter, in K.M. Schumann & Lauterbach (1905)
Genus Epiblema R.Br. (1810)
Genus Epigeneium Gagnepain (1932)
Nothogenus ×Epilaeliopsis
Genus Epilyna
Genus Erasanthe
Genus Eriaxis Rchb. (1876)
Genus Ericksonella
Genus Eriochilus R.Br. (1810)
Genus Eriodes Rolfe (1915)
Genus Eriopsis Lindl. (1847)
Genus Erycina Lindl. (1853)
Genus Erythrorchis Blume (1837)
Genus Esmeralda Rchb. (1862)
Genus Euanthe Schlechter (1914)
Genus Eulophiella Rolfe (1892)
Genus Eurycentrum
Genus Eurychone
Genus Eurystyles Wawra (1863)
Genus Evotella
Genus Exalaria
Genus Fernandezia Ruiz & Pav. (1794)
Genus Frigidorchis
Genus Frondaria C.A. Luer (1986)
Genus Fuertesiella Schlechter, in Urban (1913)
Genus Funkiella
Genus Galearis Rafinesque (1833)
Genus Galeoglossum
Genus Galeottia Nees
Genus Galeottiella
Genus Gastrorchis
Genus Geesinkorchis E.F. de Vogel (1984)
Genus Gennaria Parlatore (1860)
Genus Genoplesium R.Br. (1810)
Genus Genyorchis Schlechter (1905)
Genus Geoblasta Barbosa Rodrigues (1891)
Genus Geodorum G. Jackson, in H.C. Andrews (1811)
Genus Glossodia R.Br. (1810)
Genus Gomesa R.Br., in J. Sims (1815)
Genus Gomphichis Lindl. (1840)
Genus Gonatostylis Schlechter (1906)
Genus Goniochilus M.W.Chase (1987)
Genus Govenia Lindl. (1832)
Genus Grammangis Rchb. (1860)
Genus Graphorchis
Genus Graphorkis Thouars (1809)
Genus Grastidium
Genus Grobya Lindl. (1835)
Genus Grosourdya Rchb. (1864)
Genus Guanchezia
Genus Guarianthe Dressler & W.E. Higgins
Genus Gunnarella
Genus Gunnia Lindl. (1834)
Genus Gymnaglossum
Nothogenus ×Gymnanacamptis
Nothogenus ×Gymnotraunsteinera
Nothogenus ×Gymplatanthera
Genus Gynoglottis J.J.Sm. (1904)
Genus Gyrostachys
Genus Hagsatera R. González T. (1974)
Genus Halleorchis
Genus Hancockia Rolfe (1903)
Genus Hapalorchis Schlechter (1919)
Genus Haraella Kudo (1930)
Genus Hederorkis Du Petit-Thouars (1809)
Genus Helcia Lindl. (1845)
Genus Helleborine
Genus Helleriella A.D. Hawkes, in A.H. Heller & A.D. Hawkes (1966)
Genus Helonoma
Genus Hemipilia Lindl. (1835)
Genus Hemipiliopsis
Genus Herminium L. (1758)
Genus Herminorchis
Genus Herpetophytum
Genus Herpysma Lindl. (1833)
Genus Hetaeria Blume (1825)
Genus Hexalectris Rafinesque (1825)
Genus Himantoglossum K.Koch
Genus Hintonella Ames (1938)
Genus Hippeophyllum Schlechter, in K.M. Schumann & Lauterbach (1905)
Genus Hirtzia
Genus Hispaniella
Genus Hofmeisterella Rchb., in Walpers (1852)
Genus Holcoglossum Schlechter (1919)
Genus Homalopetalum Rolfe (1896)
Genus Horichia
Genus Horvatia L.A. Garay (1977)
Genus Houlletia Brongn. (1841)
Genus Huntleya Bateman ex Lindl. (1837)
Genus Huttonaea Harv. (1863)
Genus Hybochilus Schlechter (1920)
Genus Hygrochilus Pfitzer, in Engl. & Prantl (1897)
Genus Hylaeorchis
Genus Hylophila Lindl. (1833)
Genus Hymenorchis Schlechter (1913)
Genus Imerinaea Schlechter (1925)
Genus India
Genus Inti
Genus Ionopsis Kunth, in Humb. et al. (1816)
Genus Ipsea Lindl. (1831)
Genus Isabelia Barbosa Rodrigues (1877)
Genus Isanitella
Genus Ischnogyne Schlechter (1913)
Genus Isochilus R.Br., in Aiton & W.T. Aiton (1813)
Genus Isotria Rafinesque (1808)
Genus Jacquiniella Schlechter (1920)
Genus Jejewoodia
Genus Jejosephia A. Nageswara Rao & K.J. Mani (1986)
Genus Kefersteinia Rchb. (1852)
Genus Kegeliella Mansfeld (1934)
Genus Kingidium P.F.Hunt (1970)
Genus Kionophyton
Genus Koellensteinia Rchb. (1854)
Genus Kraenzlinella
Genus Kuhlhasseltia J.J.Sm. (1910)
Genus Lacaena Lindl. (1843)
Genus Laelichilis
Genus Laelio-cattleya
Genus Lankesterella Labbé (1899)
Genus Lecanorchis Blume (1856)
Genus Lemurella Schlechter (1925)
Genus Lemurorchis Kraenzlin (1893)
Genus Leochilus Knowles & Westcott (1838)
Genus Lepidogyne Blume (1859)
Genus Leporella A.S. George (1971)
Genus Leptorchis
Genus Leptotes Lindl. (1833)
Genus Leucerminium
Genus Leucorchis Blume
Genus Listrostachys Rchb. (1852)
Genus Lockhartia Hook. (1827)
Genus Loefgrenianthus Hoehne (1927)
Genus Loroglossum
?Genus Ludicia
Genus Lueckelia
Genus Lueddemannia Rchb. (1854)
Nothogenus ×Lycida
Genus Lycomormium Rchb. (1852)
Genus Lyperanthus R.Br. (1810)
Genus Lyroglossa
Genus Macodes (Blume) Lindl. (1840)
Genus Macradenia R.Br. (1822)
Genus Macropodanthus L.O. Williams (1938)
Genus Malleola J.J.Sm. & Schlechter ex Schlechter (1913)
Genus Manniella Rchb. (1881)
Genus Mapinguari
Genus Margelliantha
Genus Maxillariella
Genus Mediocalcar J.J.Sm. (1900)
Genus Megalorchis H. Perrier de la Bâthie (1937)
Genus Megalotus Garay (1972)
Genus Megastylis (Schlechter) Schlechter (1911)
Genus Meiracyllium Rchb. (1854)
Genus Mesadenella
Genus Mesadenus
Genus Mesoglossum F. Halbinger (1982)
Genus Mesospinidium Rchb. (1852)
Genus Mexicoa L.A. Garay, in L.A. Garay & J.E. Stacy (1974)
Genus Microepidendrum
Genus Micropera Lindl. (1832)
Genus Microsaccus Blume (1825)
Genus Microtatorchis Schlechter, in K.M. Schumann & Lauterbach (1905)
Genus Microterangis
Genus Microthelys
Genus Microtis R.Br. (1810)
Nothogenus ×Milmiloda J.M.H. Shaw (2005)
Nothogenus ×Miltonidium
Genus Miltoniopsis A. Godefroy-Lebeuf (1889)
Genus Mischobulbum Schlechter (1911)
Genus Mobilabium Rupp (1946)
Genus Moerenhoutia Blume (1858)
Genus Monomeria Lindl. (1830)
Genus Monophyllorchis Schlechter (1920)
Genus Mormolyca Fenzl (1850)
Genus Mycaranthes
Genus Myoxanthus Poeppig & Endl. (1836)
Genus Myrmechis (Lindl.) Blume (1858)
Nothogenus ×Myrmecolaelia
Genus Myrmecophila Rolfe (1917)
Genus Myrosmodes Rchb. (1854)
Genus Mystacidium Lindl., in Hook. (1837)
Genus Nabaluia Ames (1920)
Genus Nageliella L.O. Williams (1940)
Genus Neobathiea R. Schlechter (1925)
Genus Neobennettia
Genus Neobenthamia Rolfe (1891)
Genus Neobolusia Schlechter (1895)
Genus Neoclemensia C.E. Carr (1935)
Genus Neocogniauxia Schlechter, in Urban (1913)
Genus Neofinetia H.H. Hu (1925)
Genus Neogardneria R. Schlechter ex Garay (1973)
Genus Neogyna Rchb. (1852)
Genus Neolindleya
Genus Neomoorea Rolfe (1904)
Genus Neotinea Rchb. (1852)
Genus Neottianthe (Rchb.) Schlechter (1919)
Genus Nephelaphyllum Blume (1825)
Genus Nephrangis (Schlechter) Summerhayes (1948)
Genus Nidema N.L. Britton & Millspaugh (1920)
Genus Notheria
Genus Nothodoritis Z.H. Tsi (1989)
Genus Nothostele
Genus Notyliopsis
Genus Oberonioides
Genus Octarrhena Thwaites (1861)
Genus Odisha
Nothogenus ×Odonchlopsis J.M.H. Shaw (2005)
Genus Odontochilus
Genus Odontorrhynchus M.N. Correa (1953)
Genus Oeceoclades Lindl. (1832)
Genus Oeonia Lindl. (1824), nom. cons., orth. cons.
Genus Oeoniella Schlechter (1918)
Genus Oestlundia
Genus Oliveriana Rchb. (1876)
Genus Omoea Blume (1825)
Genus Ophidion
Genus Ophioglossella
Genus Orchi-aceras
Nothogenus ×Orchi-serapias
Genus Orchidactyla
Nothogenus ×Orchidactylorhiza
Nothogenus ×Orchigymnadenia
Nothogenus ×Orchimantoglossum
Genus Orchipedum Breda (1829)
Nothogenus ×Orchiplatanthera
Nothogenus ×Orchiserapias
Genus Oreorchis Lindl. (1858)
Genus Orestias H.N. Ridley (1887)
Genus Orleanesia Barbosa Rodrigues (1877)
Genus Ornithocephalus Hook. (1824)
Genus Ornithochilus (Lindl.) Wall. ex Bentham, in Bentham & Hook.f. (1883)
Nothogenus ×Ornithocidium
Genus Ornithophora Barbosa Rodrigues (1882)
Genus Orthoceras R.Br. (1810)
Genus Ossiculum P.J. Cribb & F.M. van der Laan, in F.M. van der Laan & P.J. Cribb (1986)
Genus Otochilus Lindl. (1830)
Genus Otoglossum (Schlechter) Garay & Dunsterville, in Dunsterville & Garay (1976)
Genus Otostylis Schlechter (1918)
Genus Oxystophyllum
Genus Pabstia Garay (1973)
Genus Pabstiella
Genus Pachites Lindl. (1835)
Genus Pachygenium
Genus Pachyphyllum Kunth (1816)
Genus Pachyplectron Schlechter (1906)
Genus Pachystoma Blume (1825)
Genus Panisea (Lindl.) Lindl. (1854), nom. cons.
Genus Pantlingia
Genus Paphinia Lindl. (1843)
Genus Papilionanthe Schlechter (1915)
Genus Papillilabium A.W. Dockrill (1967)
Genus Papperitzia Rchb. (1852)
Genus Papuaea Schlechter (1919)
Genus Paradisanthus Rchb. (1852)
Genus Paralophia
Genus Paraphalaenopsis A.D. Hawkes (1964)
Genus Parapteroceras Averyanov (1990)
Genus Parhabenaria
Genus Pecteilis Rafinesque (1837)
Genus Pedilochilus Schlechter, in K.M. Schumann & Lauterbach (1905)
Genus Pelatantheria Ridley (1896)
Genus Penkimia S. Phukan & N. Odyuo (2006)
Genus Pennilabium J.J.Sm. (1914)
Genus Peristeranthus T.E. Hunt (1954)
Genus Peristeria Hook. (1831)
Genus Pescatoria Rchb. (1852)
Genus Pheladenia
Genus Phloeophila
Genus Phragmorchis L.O. Williams (1938)
Genus Phyllorchis
Genus Phymatidium Lindl. (1833)
Genus Physoceras Schlechter (1925)
Genus Pilophyllum Schlechter (1914)
Genus Pinalia
Genus Piperia
Genus Pityphyllum Schlechter (1920)
Genus Platycoryne Rchb. (1855)
Genus Platylepis A.Rich. (1828), nom. cons.
Genus Platyrhiza Barbosa Rodrigues (1881)
Genus Platythelys L.A. Garay (1977)
Genus Plectorrhiza A.W. Dockrell (1967)
Genus Plectrelminthus Rafinesque (1838)
Genus Plectrophora Focke (1848)
Genus Pleurothallopsis Campos Porto & Brade (1937)
Genus Poaephyllum H.N. Ridley (1907)
Genus Podangis Schlechter (1918)
Genus Pogonia Juss. (1789)
Genus Pogoniopsis Rchb. (1881)
Genus Polycycnis Rchb. (1855)
Genus Polyotidium Garay (1958)
Genus Pomatocalpa van Breda et al., in van Breda (1829)
Genus Ponera Lindl. (1831)
Genus Ponerorchis Rchb. (1852)
Genus Porolabium T. Tang & F.T. Wang (1940)
Genus Porpax Lindl. (1845)
Genus Porphyrodesme Schlechter (1913)
Genus Porphyroglottis Ridley (1896)
Genus Porphyrostachys Rchb. (1854)
Genus Porroglossum Schlechter (1920)
Genus Porrorhachis Garay (1972)
Genus Potosia (Schltr.) R. González & Szlach. ex Mytnik (2003)
Genus Praecoxanthus
Genus Prescotia
Genus Prescottia Lindl. (1824)
Genus Pristiglottis Cretzoiu & J.J.Sm. (1934)
Genus Promenaea Lindl. (1843)
Nothogenus ×Pseudadenia
Nothogenus ×Pseudanthera
Genus Pseuderia Schlechter (1912)
Nothogenus ×Pseudinium
Genus Pseuditella
Genus Pseudocentrum Lindl. (1858)
Genus Pseudogoodyera Schlechter (1920)
Genus Pseudolaelia Porto & Brade (1935)
Genus Pseudorchis Ség. (1754)
Nothogenus ×Pseudorhiza
Genus Pseudovanilla L.A. Garay (1986)
Genus Psilochilus Barbosa Rodrigues (1882)
Genus Psychilis Rafinesque (1838)
Genus Psychopsiella
Genus Psychopsis
Genus Pterichis Lindl. (1840)
Genus Pteroceras Hasselt ex Hasskarl (1842)
Genus Pteroglossa
Genus Pterostemma Kraenzlin (1899)
Genus Pterygodium Sw. (1800)
Genus Pygmaeorchis Brade (1939)
Genus Pyrorchis
Genus Quekettia Lindl. (1839)
Genus Quisqueya D.D. Dod (1979)
Genus Rangaeris (Schlechter) Summerhayes (1936)
Genus Rauhiella G.F.J. Pabst & P.I.S. Braga (1978)
Genus Raycadenco
Genus Restrepiella Garay & Dunsterville, in Dunsterville & Garay (1966)
Genus Rhaesteria V.S. Summerhayes (1966)
Genus Rhetinantha
Genus Rhinerrhiza H.M.R. Rupp (1951)
Genus Rhinerrhizopsis
Genus Rhipidoglossum
Genus Rhizanthera
Genus Rhomboda
Genus Rhynchogyna Seidenfaden & Garay, in Seidenfaden (1973)
Genus Rhyncholaelia Schlechter (1918)
Genus Rhynchostele
Genus Rhynchostylis Blume (1825)
Genus Ridleyella Schlechter (1913)
Genus Rimacola H.M.R. Rupp (1942)
Genus Risleya G. King & Pantling (1898)
Genus Robiquetia Gaudich., in Freycinet (1829)
Genus Rodriguesia
Genus Rodrigueziella Kuntze (1891)
Genus Rodrigueziopsis Schlechter (1920)
Genus Roeperocharis Rchb. (1881)
Genus Roezliella Schlechter (1918)
Genus Rossioglossum (Schlechter) Garay & Kennedy (1976)
Genus Rudolfiella Hoehne (1944)
Genus Saccoglossum Schlechter (1912)
Genus Saccolabiopsis J.J.Sm. (1918)
Genus Sacodon
Genus Sacoila
Genus Samarorchis
Genus Sanderella Kuntze (1891)
Genus Santotomasia
Genus Sarcanthopsis Garay (1972)
Genus Sarcochilus R.Br. (1810)
Genus Sarcoglottis C.Presl (1827)
Genus Sarcoglyphis Garay (1972)
Genus Sarcophyton Garay (1972)
Genus Sarcostoma Blume (1825)
Genus Sarmenticola
Genus Saundersia Rchb. (1866)
Genus Sauroglossum Lindl. (1833)
Genus Saurolophorkis
Genus Sauvetrea
Genus Scaphosepalum Pfitzer, in Engl. & Prantl (1888)
Genus Schiedeella Schlechter (1920)
Genus Schistotylus A.W. Dockrill (1967)
Genus Schizochilus Sonder (1846)
Genus Schlimmia Planchon & Linden, in Linden (1852)
Genus Schoenorchis Blume (1825)
Nothogenus ×Schombocattleya
Genus Schomburgkia Lindl. (1838)
Genus Schuitemania
Genus Schunkea
Genus Scuticaria Lindl. (1843)
Genus Sedirea Garay & Sweet (1974)
Nothogenus ×Sedirisia
Genus Seegeriella
Genus Seidenfadenia Garay (1972)
Genus Seidenfadeniella
Genus Senghasiella
Genus Serapias L. (1753)
Nothogenus ×Serapicamptis
Nothogenus ×Serapirhiza
Genus Sertifera
Genus Sievekingia Rchb. (1871)
Genus Sigmatostalix Rchb. (1852)
Genus Silvorchis J.J.Sm. (1907)
Genus Sirhookera Kuntze (1891)
Genus Sirindhornia
Genus Skeptrostachys
Genus Smithorchis Tang & Wang (1936)
Genus Smithsonia
Genus Smitinandia Holttum (1969)
Genus Sobennikoffia Schlechter (1925)
Genus Solenangis Schlechter (1918)
Genus Solenidiopsis
Genus Solenidium Lindl. (1846)
Genus Solenocentrum Schlechter (1911)
Genus Soterosanthus
Genus Sphyrarhynchus Mansfeld (1935)
Genus Spiculaea Lindl. (1840)
Genus Spongiola J.J. Wood & A.L. Lamb
Genus Stalkya
Genus Staurochilus Ridley ex Pfitzer, in Engl. & Prantl (1900)
Genus Stauropsis Rchb. f. (1860)
Genus Stenia Lindl. (1837)
Genus Stenocoryne
Genus Stenoglottis Lindl., in Hook. (1837)
Genus Stenoptera C.Presl (1827)
Genus Stenorrhynchos Rich. ex Spreng. (1826)
Genus Stephanothelys L.A. Garay (1977)
Genus Stereochilus Lindl. (1858)
Genus Steveniella Schlechter (1918)
Genus Stichorkis
Genus Stictophyllorchis
Genus Stigmatodactylus C.J. Maxim. ex T. Makino (1905)
Genus Stigmatosema
Genus Stolzia Schlechter (1915)
Genus Streptogyne
Genus Suarezia Dodson (1989)
Genus Sudamerlycaste
Genus Summerhayesia
Genus Sunipia Lindl. (1826)
Genus Sutrina Lindl. (1842)
Genus Svenkoeltzia
Genus Systeloglossum Schlechter (1923)
Genus Taeniorrhiza Summerhayes (1943)
Genus Tainia Blume (1825)
Genus Teagueia
Genus Tetramicra Lindl. (1831)
Genus Teuscheria Garay (1958)
Genus Thaia G. Seidenfaden (1975)
Genus Thecopus G. Seidenfaden (1984)
Genus Thecostele Rchb. (1857)
Genus Thelyschista
Genus Thulinia P.J. Cribb (1985)
Genus Thunia Rchb. (1852)
Genus Thysanoglossa Porto & Brade (1940)
Genus Ticoglossum
Genus Tipularia Nutt. (1818), nom. inut.
Genus Tolumnia
Genus Tomzanonia
Genus Traunsteinera Rchb. (1842)
Genus Trevoria F.C. Lehmann (1897)
Genus Trias Lindl. (1830)
Genus Triceratorhynchus Summerhayes (1951)
Genus Trichoceros Kunth, in Humb. et al. (1816)
Genus Trichopilia Lindl. (1836)
Genus Trichotosia Blume (1825)
Genus Trigonidium Lindl. (1837)
Genus Trisetella C.A. Luer (1980)
Genus Trizeuxis Lindl. (1821)
Genus Tsaiorchis Tang & Wang (1936)
Genus Tuberolabium Yamamoto (1924)
Genus Tylostigma Schlechter (1916)
Genus Uleiorchis Hoehne (1944)
Genus Uncifera Lindl. (1858)
Genus Vandopsis Pfitzer, in Engl. & Prantl (1889)
Genus Vargasiella C. Schweinfurth (1952)
Genus Vasqueziella
Genus Ventricularia Garay (1972)
Genus Veyretella
Genus Veyretia
Genus Vietorchis
Genus Vrydagzynea Blume (1858)
Genus Waireia
Genus Warmingia Rchb. (1881), nom. cons.
Genus Warrea Lindl. (1843)
Genus Warreella R. Schlechter (1914)
Genus Warreopsis Garay (1973)
Genus Warscewiczella
Genus Wullschlaegelia Rchb. (1863)
Genus Xenikophyton Garay (1974)
Genus Xerorchis Schlechter (1912)
Genus Xylobium Lindl. (1825)
Genus Ypsilopus Summerhayes (1949)
Genus Ypsilorchis
Genus Zelenkoa
Genus Zeuxinella
Genus Zootrophion
Genus Zygopabstia
Genus Zygopetalon Hook. (1827)
Genus Zygosepalum Rchb. (1859)
Genus Zygostates Lindl. (1837)
1 Subfamily Apostasioideae
2.1 Subfamily Vanilloideae
2.2.1 Subfamily Cypripedioideae
2.2.2.1 Subfamily Orchidoideaeᵀ de Jussieu (1789)
2.2.2.2 Subfamily Epidendroideae