Dilochiopsis Dilomilis: parrot-beak orchid Dimerandra Dimorphorchis Dinema Dinklageella Diothonea Diphylax Diplandrorchis Diplocaulobium Diplocentrum Diplolabellum Diplomeris Diploprora Dipodium Dipteranthus Dipterostele Disa Discyphus Disperis Disticholiparis Marg. & Szlach Distylodon Diteilis Dithyridanthus Diuris Dockrillia Briegar, 1981 Dodsonia Dolichocentrum Domingoa: Mona Doritis Dossinia Dracontia Dracula Drakaea Dresslerella Dressleria Dryadella Dryadorchis Drymoanthus Drymoda Duckeella Dunstervillea Dyakia E Earina Eggelingia Eleorchis Elleanthus: tiger orchid, praying-virgin Elongatia Eloyella Eltroplectris: long-claw orchid Elythranthera Embreea Empusa Empusella (Luer) Luer Encheiridion Encyclia Hook.: butterfly orchid Entomophobia Eparmatostigma Ephippianthus Epibator Luer Epiblastus Epiblema Epicranthes Epidanthus Epidendrum: star orchid Epigeneium Epilyna Epipactis: helleborine Epipogium Epistephium Eria Eriaxis Ericksonella Eriochilus Eriodes Eriopexis Eriopsis Erycina Erythrodes: false helmet orchids Erythrorchis Esmeralda Euanthe Eucosia Eulophia: Wildcoco Eulophiella Euphlebium Euryblema Dressler (2005) Eurycaulis Eurycentrum Eurychone Eurystyles: custard orchid Evotella F Fernandezia Ferruminaria Fimbriella Fimbrorchis Flickingeria Frigidorchis Frondaria Fuertesiella Funkiella G Galeandra: hooded orchid Galearis: showy orchid Galeola Galeottia Galeottiella Garaya Gastrochilus Gastrodia Gastrorchis Gavilea Geesinkorchis Gennaria Genoplesium Genyorchis Geoblasta Geodorum Glomera Glossodia Glossorhyncha Gomesa Gomphichis Gonatostylis Gongora Goniochilus Goodyera: rattlesnake plantain Govenia: govenia Gracielanthus Grammangis Grammatophyllum Graphorkis Thou. Grastidium Greenwoodiella Grobya Grosourdya Guarianthe Dressler & W.E.Higgins Gunnarella Gunnarorchis Gymnadenia: fragrant orchid Gymnadeniopsis Gymnochilus Gynoglottis H Habenaria: bog orchid, false rein orchid Hagsatera Hammarbya Hancockia Hapalochilus Hapalorchis Haraella Harrisella: airplant orchid Hederorkis Helcia Helleriella: dotted orchid Helonoma Hemipilia Herminium Herpetophytum Herpysma Herschelianthe Hetaeria Heterotaxis Heterozeuxine Hexalectris: crested coralroot Hexisea Himantoglossum Hintonella Hippeophyllum Hirtzia Hispaniella Hoehneella Hoffmannseggella Hofmeisterella Holcoglossum Holmesia Holopogon Holothrix Homalopetalum Horichia Hormidium Horvatia Houlletia Huntleya Huttonaea Hybochilus Hydrorchis Hygrochilus Hylophila Hymenorchis I Imerinaea Imerinorchis Szlach (2005) Inobulbon Ione Ionopsis: violet orchid Ipsea Isabelia Ischnocentrum Ischnogyne Isochilus: equal-lip orchid Isotria: fiveleaf orchid Ixyophora Dressler (2005) J Jacquiniella: tufted orchid Jejosephia Jonesiopsis Jostia Jumellea K Kalimpongia Kaurorchis Kefersteinia Kegeliella Kerigomnia Kinetochilus Kingidium Kionophyton Koellensteinia: grass-leaf orchid Konantzia Kraenzlinella Kreodanthus Kryptostoma Kuhlhasseltia L Lacaena Laelia Lindl. Laeliopsis Lanium Lankesterella Leaoa Lecanorchis Lemboglossum Lemurella Lemurorchis Leochilus: smooth-lip orchid Lepanthes: babyboot orchid Lepanthopsis: tiny orchid Lepidogyne Leporella Leptotes Lesliea Leucohyle Ligeophila Limodorum Lindleyalis Liparis: wide-lip orchid Listrostachys Lockhartia Loefgrenianthus Ludisia: jewel orchid Lueddemannia Luisia Lycaste: bee orchid Lycomormium Lyperanthus Lyroglossa M Macodes Macradenia: long-gland orchid Macroclinium Macropodanthus Malaxis: adder's mouth orchid Malleola Manniella Margelliantha Masdevallia Mastigion Maxillaria: tiger orchid, flame orchid Mecopodum Mediocalcar Megalorchis Megalotus Megastylis Meiracyllium Meliorchis: extinct, 80-million-year-old orchid Mendoncella Mesadenella Mesadenus: ladies'-tresses Mesospinidium Mexicoa Microchilus Microcoelia Micropera Microphytanthe Microsaccus Microtatorchis Microterangis Microthelys Microtis Miltonia Lindl.: pansy orchid Miltoniopsis Mischobulbum Mixis Mobilabium Moerenhoutia Monadenia Monanthos Monomeria Monophyllorchis Monosepalum