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Source: Orchidaceae of North America Update, database (version 2010)

ITIS records citing this source
 
 Kingdom Plantae
  Amerorchis Hultén -- not accepted
  Amerorchis rotundifolia (Banks ex Pursh) Hultén -- not accepted -- roundleaf orchid
  Amphiglottis anceps (Jacq.) Britton -- not accepted
  Amphiglottis conopsea (W.T. Aiton) Small -- not accepted
  Amphiglottis corymbosa auct. non (Lindl.) Britton -- not accepted
  Amphiglottis difformis auct. non (Jacq.) Britton -- not accepted
  Amphiglottis lacera (Lindl.) Britton -- not accepted
  Amphiglottis nocturna (Jacq.) Britton -- not accepted
  Amphiglottis pallidiflora (Hook.) Britton -- not accepted
  Amphiglottis secunda (Jacq.) Salisb. -- not accepted
  Anacheilium cochleatum (L.) Hoffmanns. -- not accepted
  Anacheilium cochleatum var. triandrum (Ames) Sauleda, Wunderlin & B.F. Hansen -- not accepted
  Anoectochilus Blume -- accepted
  Anoectochilus apiculatus L.O. Williams & Fosberg -- not accepted
  Anoectochilus sandvicensis Lindl. -- accepted -- Hawai'i jeweled orchid
  Aplectrum Torr. -- accepted -- Adam and Eve
  Aplectrum hyemale (Muhl. ex Willd.) Torr. -- accepted -- Adam and Eve, aplectrelle d'hiver, puttyroot
  Arethusa L. -- accepted -- dragon's mouth
  Arethusa bulbosa L. -- accepted -- aréthuse bulbeuse, dragon's mouth, swamp-pink
  Arethusa racemosa Walter -- not accepted
  Arundina Blume -- accepted -- bamboo orchid
  Arundina bambusifolia Lindl. -- not accepted
  Arundina graminifolia (D. Don) Hochr. -- accepted -- bamboo orchid
  Arundina speciosa Blume -- not accepted
  Auliza ciliaris (L.) Salisb. -- not accepted
  Basiphyllaea Schltr. -- accepted
  Basiphyllaea angustifolia Schltr. -- not accepted -- crab orchid
  Basiphyllaea corallicola (Small) Ames -- accepted -- Carter's orchid
  Beadlea bicolor (Ker Gawl.) Garay -- not accepted
  Beadlea cranichoides (Griseb.) Small -- not accepted
  Beadlea elata (Sw.) Small -- not accepted
  Beloglottis Schltr. -- accepted
  Beloglottis costaricensis (Rchb. f.) Schltr. -- accepted -- Costa Rican lady's tresses, Trencita de Costa Rica
  Blephariglotis blephariglottis (Willd.) Rydb. -- not accepted
  Blephariglotis chapmanii Small -- not accepted
  Blephariglotis ciliaris (L.) Rydb. -- not accepted
  Blephariglotis conspicua (Nash) Small -- not accepted
  Blephariglotis cristata Raf. -- not accepted
  Blephariglotis grandiflora (Bigelow) Rydb. -- not accepted
  Blephariglotis lacera (Michx.) Farw. -- not accepted
  Blephariglotis leucophaea (Nutt.) Farw. -- not accepted
  Blephariglotis peramoena (A. Gray) Rydb. -- not accepted
  Blephariglotis psycodes (L.) Rydb. -- not accepted
  Blephariglottis blephariglottis (Willd.) Rydb. -- not accepted
  Blephariglottis chapmanii Small -- not accepted
  Blephariglottis ciliaris (L.) Rydb. -- not accepted
  Blephariglottis conspicua (Nash) Small -- not accepted
  Blephariglottis cristata Raf. -- not accepted
  Blephariglottis grandiflora (Bigelow) Rydb. -- not accepted
  Blephariglottis lacera (Michx.) Farw. -- not accepted
  Blephariglottis leucophaea (Nutt.) Farw. -- not accepted
  Blephariglottis peramoena (A. Gray) Rydb. -- not accepted
  Blephariglottis psycodes (L.) Rydb. -- not accepted
  Bletia Ruiz & Pav. -- accepted
  Bletia florida (Salisb.) R. Br. -- accepted -- slender pinepink
  Bletia patula Graham -- accepted -- flor de pasmo
  Bletia patula var. alba A.D. Hawkes -- not accepted -- flor de pasmo
  Bletia patula var. patula Graham -- not accepted -- flor de pasmo
  Bletia purpurea (Lam.) DC. -- accepted -- Bletia común, pinepink
  Bletilla Rchb. f. -- accepted
  Bletilla striata (Thunb.) Rchb. f. -- accepted -- urn orchid
  Bolbophyllaria pachyrachis (A. Rich.) Rchb. f. -- not accepted
  Bolbophyllaria pachyrrachis (A. Rich.) Rchb. f. -- not accepted
  Brachionidium Lindl. -- accepted -- cup orchid
  Brachionidium ciliolatum Garay -- accepted -- hairy cup orchid
  Brachionidium parvum Cogn. -- accepted -- little cup orchid
  Brachionidium sherringii Rolfe -- accepted -- Sherring's cup orchid
  Brassavola R. Br. -- accepted
  Brassavola cucullata (L.) R. Br. -- accepted -- Brassavola colgante, daddy longlegs orchid
  Brassavola nodosa (L.) Lindl. -- accepted -- Brassavola común, lady of the night orchid
  Brassia R. Br. -- accepted
  Brassia caudata (L.) Lindl. -- accepted -- Brassia arańa, cricket orchid
  Brassia gireoudiana Rchb. f. & Warsz. -- accepted
  Brassia maculata R. Br. -- accepted
  Broughtonia R. Br. -- accepted
  Broughtonia domingensis (Lindl.) Rolfe -- accepted -- king orchid
  Bulbophyllum Thouars -- accepted
  Bulbophyllum pachyrachis (A. Rich.) Griseb. -- accepted -- rat-tail orchid
  Bulbophyllum pachyrrachis (A. Rich.) Griseb. -- not accepted -- rat-tail orchid
  Calanthe R. Br. -- accepted
  Calanthe hololeuca Rchb. f. -- accepted
  Calanthe triplicata (Willem.) Ames -- accepted
  Calopogon R. Br. -- accepted -- grasspink
  Calopogon barbatus (Walter) Ames -- accepted -- bearded grasspink
  Calopogon multiflorus Lindl. -- accepted -- manyflower grasspink
  Calopogon oklahomensis D.H. Goldman -- accepted -- Oklahoma grasspink
  Calopogon pallidus Chapm. -- accepted -- pale grasspink
  Calopogon pulchellus R. Br. -- not accepted
  Calopogon pulchellus var. latifolius (H. St. John) Fernald -- not accepted
  Calopogon pulchellus var. simpsonii (Small) Ames ex Correll -- not accepted
  Calopogon tuberosus (L.) Britton, Sterns & Poggenb. -- accepted -- tuberous grasspink
  Calopogon tuberosus var. latifolius (H. St. John) B. Boivin -- not accepted
  Calopogon tuberosus var. simpsonii (Small) Magrath -- accepted -- Simpson's grasspink
  Calopogon tuberosus var. tuberosus (L.) Britton, Sterns & Poggenb. -- accepted -- tuberous grasspink
  Calypso Salisb. -- accepted -- calypso orchid, fairy slipper
  Calypso bulbosa (L.) Oakes -- accepted -- fairy slipper, fairy-slipper orchid, fairyslipper, fairyslipper orchid
  Calypso bulbosa ssp. occidentalis (Holz.) Calder & Roy L. Taylor -- not accepted
  Calypso bulbosa var. americana (R. Br.) Luer -- accepted -- fairy slipper, fairyslipper orchid
  Calypso bulbosa var. bulbosa (L.) Oakes -- accepted
  Calypso bulbosa var. occidentalis (Holz.) B. Boivin -- accepted -- fairy slipper
  Campylocentrum Benth. -- accepted -- bentspur orchid
  Campylocentrum fasciola (Lindl.) Cogn. -- accepted -- arboreal bentspur orchid
  Campylocentrum filiforme (Sw.) Cogn. ex Kuntze -- not accepted -- needleroot bentspur orchid
  Campylocentrum jamaicense (Rchb. f.) Benth. -- accepted
  Campylocentrum micranthum (Lindl.) Maury -- accepted -- Campylocentrum mayor, fairy bentspur orchid
  Campylocentrum monteverdi (Rchb. f.) Rolfe -- not accepted
  Campylocentrum pachyrrhizum (Rchb. f.) Rolfe -- accepted -- leafless bentspur orchid
  Campylocentrum pygmaeum Cogn. -- accepted -- pygmy bentspur orchid
  Campylocentrum sullivanii Fawc. & Rendle -- not accepted
  Carteria corallicola Small -- not accepted
  Catasetum Rich. ex Kunth -- accepted
  Cattleya Lindl. -- accepted
  Cattleya gaskelliana (N.E.Br.) B.S. Williams -- accepted
  Cattleya harpophylla (Rchb. f.) Van den Berg -- accepted
  Cattleya labiata Lindl. -- accepted
  Caularthron Raf. -- accepted
  Caularthron bicornutum (Hook.) Raf. -- accepted
  Centrogenium Schltr. -- not accepted
  Centrogenium setaceum (Lindl.) Schltr. -- not accepted
  Cephalanthera Rich. -- accepted
  Cephalanthera austiniae (A. Gray) A. Heller -- accepted -- phantom orchid
  Cleistes Rich. ex Lindl. -- accepted -- rosebud orchid
  Cleistes bifaria (Fernald) Catling & Gregg -- not accepted -- small spreading pogonia
  Cleistes divaricata (L.) Ames -- not accepted -- rosebud orchid
  Cleistes divaricata var. bifaria Fernald -- not accepted
  Cleistes X ochlockoneensis P.M. Br. -- not accepted -- Ochlockonee hybrid rosebud orchid
  Cochleanthes Raf. -- accepted
  Cochleanthes flabelliformis (Sw.) R.E. Schult. & Garay -- accepted -- Cochleanthes de abanico, fanshape orchid
  Coelia Lindl. -- accepted
  Coelia triptera auct. non (Sm.) G. Don ex Steud. -- not accepted -- Coelia blanca, threewing coelia
  Coeloglossum Hartm. -- not accepted -- frog orchid
  Coeloglossum bracteatum (Muhl. ex Willd.) Parl. -- not accepted
  Coeloglossum viride (L.) Hartm. -- not accepted -- long-bract frog orchid, longbract frog orchid
  Coeloglossum viride ssp. bracteatum (Muhl. ex Willd.) Hultén -- not accepted
  Coeloglossum viride var. islandicum (Lindl.) M. Schulze -- not accepted
  Coeloglossum viride var. virescens (Muhl. ex Willd.) Luer -- not accepted -- long-bract frog orchid, longbract frog orchid
  Coeloglossum viride var. viride (L.) Hartm. -- not accepted -- longbract frog orchid
  Coelogyne Lindl. -- accepted
  Comparettia Poepp. & Endl. -- accepted
  Comparettia falcata Poepp. & Endl. -- accepted -- Comparettia rosada, snail orchid
  Corallorhiza Gagnebin -- accepted -- coralroot
  Corallorhiza bentleyi Freudenst. -- accepted -- Bentley's coralroot
  Corallorhiza bigelovii S. Watson -- not accepted
  Corallorhiza corallorhiza (L.) Karst. -- not accepted
  Corallorhiza maculata (Raf.) Raf. -- accepted -- spotted coralroot, summer coralroot
  Corallorhiza maculata ssp. mertensiana (Bong.) Calder & Roy L. Taylor -- not accepted
  Corallorhiza maculata ssp. occidentalis (Lindl.) Cockerell -- not accepted
  Corallorhiza maculata var. flavida (M. Peck) Cockerell -- not accepted
  Corallorhiza maculata var. immaculata M. Peck -- not accepted
  Corallorhiza maculata var. intermedia Farw. -- not accepted
  Corallorhiza maculata var. maculata (Raf.) Raf. -- accepted -- summer coralroot
  Corallorhiza maculata var. occidentalis (Lindl.) Ames -- accepted -- spotted coralroot, summer coralroot
  Corallorhiza maculata var. ozettensis E. Tisch -- accepted -- summer coralroot
  Corallorhiza maculata var. punicea Bartlett -- not accepted
  Corallorhiza mertensiana Bong. -- accepted -- Pacific coralroot
  Corallorhiza micrantha Chapm. -- not accepted
  Corallorhiza multiflora Nutt. -- not accepted
  Corallorhiza ochroleuca Rydb. -- not accepted
  Corallorhiza odontorhiza (Willd.) Nutt. -- accepted -- autumn coralroot, late coralroot
  Corallorhiza odontorhiza var. odontorhiza (Willd.) Poir. -- accepted -- autumn coralroot
  Corallorhiza odontorhiza var. pringlei (Greenm.) Freudenst. -- accepted -- autumn coralroot
  Corallorhiza striata Lindl. -- accepted -- hooded coralroot
  Corallorhiza striata var. flavida Todsen & T.A. Todsen -- not accepted
  Corallorhiza striata var. ochroleuca (Rydb.) Magrath -- not accepted
  Corallorhiza striata var. striata Lindl. -- accepted -- hooded coralroot
  Corallorhiza striata var. vreelandii (Rydb.) L.O. Williams -- accepted -- Vreeland's coralroot
  Corallorhiza trifida Châtel. -- accepted -- yellow coralroot
  Corallorhiza trifida var. verna (Nutt.) Fernald -- not accepted
  Corallorhiza wisteriana Conrad -- accepted -- spring coralroot
  Corallorrhiza Gagnebin -- not accepted -- coralroot
  Corallorrhiza bigelovii S. Watson -- not accepted
  Corallorrhiza corallorrhiza (L.) Karst. -- not accepted
  Corallorrhiza maculata (Raf.) Raf. -- not accepted -- Raíz-de-coral manchada, spotted coralroot, summer coralroot
  Corallorrhiza maculata ssp. mertensiana (Bong.) Calder & Roy L. Taylor -- not accepted
  Corallorrhiza maculata ssp. occidentalis (Lindl.) Cockerell -- not accepted
  Corallorrhiza maculata var. flavida (M. Peck) Cockerell -- not accepted
  Corallorrhiza maculata var. immaculata M. Peck -- not accepted
  Corallorrhiza maculata var. intermedia Farw. -- not accepted
  Corallorrhiza maculata var. maculata (Raf.) Raf. -- not accepted -- summer coralroot
  Corallorrhiza maculata var. occidentalis (Lindl.) Ames -- not accepted -- summer coralroot
  Corallorrhiza maculata var. punicea Bartlett -- not accepted
  Corallorrhiza mertensiana Bong. -- not accepted -- Pacific coralroot
  Corallorrhiza micrantha Chapm. -- not accepted
  Corallorrhiza multiflora Nutt. -- not accepted
  Corallorrhiza ochroleuca Rydb. -- not accepted
  Corallorrhiza odontorhiza (Willd.) Poir. -- not accepted -- autumn coralroot
  Corallorrhiza odontorhiza var. odontorhiza (Willd.) Poir. -- not accepted -- autumn coralroot
  Corallorrhiza odontorhiza var. pringlei (Greenm.) Freudenst. -- not accepted -- autumn coralroot
  Corallorrhiza striata Lindl. -- not accepted -- hooded coralroot, striped coralroot
  Corallorrhiza striata var. flavida Todsen & T.A. Todsen -- not accepted
  Corallorrhiza striata var. ochroleuca (Rydb.) Magrath -- not accepted
  Corallorrhiza striata var. striata Lindl. -- not accepted -- hooded coralroot
  Corallorrhiza striata var. vreelandii (Rydb.) L.O. Williams -- not accepted -- hooded coralroot, Vreeland's coralroot
  Corallorrhiza trifida Châtel. -- not accepted -- early coralroot, yellow coralroot
  Corallorrhiza trifida var. verna (Nutt.) Fernald -- not accepted
  Corallorrhiza wisteriana Conrad -- not accepted -- coralroot, Raíz-de-coral primaveral, spring coralroot
  Corymborchis Thouars -- not accepted -- crow orchid
  Corymborchis flava (Sw.) Kuntze -- not accepted -- yellow crow orchid
  Corymborkis Thouars -- accepted -- crow orchid
  Corymborkis flava (Sw.) Kuntze -- accepted -- yellow crow orchid
  Corymborkis forcipigera (Rchb. f. & Warsz.) L.O. Williams -- accepted -- Corymborkis selvática, lime orchid
  Cranichis Sw. -- accepted -- helmet orchid
  Cranichis diphylla Sw. -- accepted -- Cranichis bifoliada
  Cranichis muscosa Sw. -- accepted -- cypress-knee helmet orchid
  Cranichis oligantha Sw. -- not accepted
  Cranichis ricartii Ackerman -- accepted -- Puerto Rico helmet orchid, Puerto Rico helmet orchid
  Cranichis stachyodes Sw. -- not accepted
  Cranichis tenuis Rchb. f. -- accepted -- narrow helmet orchid
  Criosanthes arietina (R. Br.) House -- not accepted
  Cyclopogon C. Presl -- accepted -- ladies'-tresses
  Cyclopogon cranichoides (Griseb.) Schltr. -- accepted -- cranichis-like ladies'-tresses
  Cyclopogon elatus (Sw.) Schltr. -- accepted -- tall ladies'-tresses
  Cyclopogon miradorense Schltr. -- not accepted -- Mirador green ladies'-tresses
  Cymbidium Sw. -- accepted
  Cypripedium L. -- accepted -- lady's slipper
  Cypripedium acaule Aiton -- accepted -- lady's-slipper orchid, moccasin flower, pink lady's-slipper, pink lady's-slipper orchid, pink ladyslipper, pink moccasin flower
  Cypripedium arietinum R. Br. -- accepted -- cypripčde tęte-de-bélier, ram's head lady's slipper, ram's-head lady's-slipper
  Cypripedium calceolus L. -- accepted
  Cypripedium calceolus ssp. parviflorum (Salisb.) Hultén -- not accepted
  Cypripedium calceolus var. parviflorum (Salisb.) Fernald -- not accepted
  Cypripedium calceolus var. planipetalum (Fernald) Vict. & J. Rousseau -- not accepted -- cypripčde jaune variété ŕ pétales plats, flat-petal lady's-slipper
  Cypripedium calceolus var. pubescens (Willd.) Correll -- not accepted
  Cypripedium californicum A. Gray -- accepted -- California lady's slipper
  Cypripedium candidum Muhl. ex Willd. -- accepted -- small white lady's slipper, white lady's slipper
  Cypripedium daultonii V.G. Soukup -- not accepted
  Cypripedium fasciculatum Kellogg ex S. Watson -- accepted -- clustered lady's slipper, clustered ladyslipper
  Cypripedium furcatum Raf. -- not accepted
  Cypripedium guttatum Sw. -- accepted -- spotted lady's slipper
  Cypripedium guttatum ssp. yatabeanum (Makino) Hultén -- not accepted
  Cypripedium guttatum var. guttatum Sw. -- not accepted -- spotted lady's slipper
  Cypripedium guttatum var. yatabeanum (Makino) Pfitzer -- not accepted -- spotted lady's slipper
  Cypripedium kentuckiense C.F. Reed -- accepted -- Kentucky lady's slipper, southern lady's slipper
  Cypripedium montanum Douglas ex Lindl. -- accepted -- mountain lady's slipper, mountain ladyslipper
  Cypripedium parviflorum Salisb. -- accepted -- lesser yellow lady's slipper, lesser yellow lady's-slipper
  Cypripedium parviflorum var. makasin (Farw.) Sheviak -- accepted -- greater yellow lady's slipper
  Cypripedium parviflorum var. parviflorum Salisb. -- accepted -- lesser yellow lady's slipper, small-flowered yellow lady's slipper
  Cypripedium parviflorum var. pubescens (Willd.) O.W. Knight -- accepted -- greater yellow lady's slipper
  Cypripedium passerinum Richardson -- accepted -- sparrowegg lady's slipper
  Cypripedium passerinum var. minganense Vict. -- not accepted -- cypripčde oeuf-de-passereau variété de la Minganie
  Cypripedium planipetalum (Fernald) Morris & Eames -- not accepted -- monarch lady's slipper
  Cypripedium pubescens Willd. -- not accepted -- greater yellow lady's slipper, greater yellow lady's-slipper, hairy ladyslipper, yellow ladyslipper
  Cypripedium pubescens var. makasin Farw. -- not accepted -- greater yellow lady's slipper
  Cypripedium pubescens var. pubescens Willd. -- not accepted -- greater yellow lady's slipper
  Cypripedium reginae Walter -- accepted -- cypripčde royal, showy lady's slipper, showy lady's-slipper
  Cypripedium X alaskanum P.M. Br. -- accepted
  Cypripedium X andrewsii A.M. Fuller -- accepted -- Andrew's lady's slipper
  Cypripedium X andrewsii var. andrewsii A.M. Fuller -- accepted
  Cypripedium X andrewsii var. favillianum (J.T. Curtis) B. Boivin (pro nm.) -- accepted
  Cypripedium X andrewsii var. landonii (Garay) B. Boivin (pro nm.) -- accepted
  Cypripedium X columbianum Sheviak -- accepted
  Cypripedium X favillianum J.T. Curtis -- not accepted -- lady's slipper
  Cypripedium X herae Ewacha & Sheviak -- accepted -- Queen Hera's hybrid lady's slipper
  Cypripedium X landonii Garay (pro. sp.) -- not accepted -- Landon's cypripedium
  Cypripedium yatabeanum Makino -- accepted -- spotted lady's slipper
  Cyrtopodium R. Br. -- accepted
  Cyrtopodium andersonii (Lamb. ex Andrews) R. Br. -- accepted -- Anderson's orchid
  Cyrtopodium glutiniferum Raddi -- accepted
  Cyrtopodium paranaense Schltr. -- not accepted
  Cyrtopodium polyphyllum (Vell.) Pabst ex F. Barrios -- accepted -- terrestrial cowhorn orchid
  Cyrtopodium punctatum (L.) Lindl. -- accepted -- cowhorn orchid
  Cytherea bulbosa (L.) House -- not accepted
  Dactylorhiza Neck. ex Nevski -- accepted -- keyflower
  Dactylorhiza aristata (Fisch. ex Lindl.) Soó -- accepted -- keyflower
  Dactylorhiza aristata var. aristata (Fisch. ex Lindl.) Soó -- not accepted -- keyflower
  Dactylorhiza aristata var. kodiakensis Luer & G.M. Luer -- not accepted -- Kodiak keyflower
  Dactylorhiza incarnata (L.) Soó -- accepted -- spotted orchid
  Dactylorhiza maculata (L.) Soó -- accepted -- heath spotted orchid
  Dactylorhiza majalis (Rchb. f.) P.F. Hunt & Summerh. -- accepted
  Dactylorhiza majalis ssp. praetermissa (Druce) D.M. Moore & Soó -- not accepted
  Dactylorhiza majalis var. junialis (Verm.) Senghas -- accepted
  Dactylorhiza majalis var. praetermissa (Druce) D.M. Moore & Soó -- accepted
  Dactylorhiza viridis (L.) R.M. Bateman, Pridgeon & M.W. Chase -- accepted -- longbract frog orchid
  Deiregyne Schltr. -- accepted
  Deiregyne confusa Garay -- not accepted -- confusing lady's tresses
  Deiregyne durangensis (Ames & C. Schweinf.) Garay -- not accepted
  Dendrobium Sw. -- accepted
  Dendrobium bigibbum Lindl. -- accepted
  Dendrobium discolor Lindl. -- accepted
  Dendrobium linguiforme Sm. -- accepted
  Dendrobium scopa Lindl. -- accepted -- lily of the valley orchid
  Dendrophylax Rchb. f. -- accepted
  Dendrophylax lindenii (Lindl.) Benth. ex Rolfe -- accepted -- palmpolly
  Dichaea Lindl. -- accepted -- leafystem orchid
  Dichaea echinocarpa (Sw.) Lindl. -- not accepted
  Dichaea hystricina Rchb. f. -- accepted -- arboreal leafystem orchid
  Dichaea latifolia Lindl. -- accepted -- mountain leafystem orchid
  Dichaea muricata auct. non (Sw.) Lindl. -- not accepted -- mountain leafystem orchid
  Dichaea pendula (Aubl.) Cogn. -- accepted -- Swartz's leafystem orchid
  Dichaea swartzii (C. Schweinf.) Garay & H.R. Sweet -- not accepted -- Swartz's leafystem orchid
  Dichromanthus Garay -- accepted
  Dichromanthus cinnabarinus (La Llave & Lex.) Garay -- accepted -- Cutzis cinabarino, scarlet lady's tresses
  Didymoplexis Griff. -- accepted
  Didymoplexis fimbriata Schltr. -- not accepted
  Dilomilis Raf. -- accepted
  Dilomilis montana (Sw.) Summerh. -- accepted -- parrotbeak orchid
  Domingoa Schltr. -- accepted
  Domingoa haematochila (Rchb. f.) Carabia -- accepted -- mona
  Domingoa hymenodes (Rchb. f.) Schltr. -- not accepted
  Eburophyton austiniae (A. Gray) A. Heller -- not accepted
  Elleanthus C. Presl -- accepted -- tiger orchid
  Elleanthus cordidactylus Ackerman -- accepted -- false tiger orchid
  Elleanthus linifolius C. Presl -- accepted -- praying virgin
  Eltroplectris Raf. -- accepted
  Eltroplectris acuminata Raf. -- not accepted
  Eltroplectris calcarata (Sw.) Garay & H.R. Sweet -- accepted -- longclaw orchid
  Encyclia Hook. -- accepted -- butterfly orchid
  Encyclia bifida (Aubl.) Britton & P. Wilson -- not accepted -- thicket butterfly orchid
  Encyclia boothiana (Lindl.) Dressler -- not accepted -- dollar orchid
  Encyclia boothiana var. erythronioides (Small) Luer -- not accepted -- dollar orchid
  Encyclia cochleata (L.) Dressler -- not accepted -- clamshell orchid, Encyclia pulpito
  Encyclia cochleata ssp. triandra (Ames) Hágsater -- not accepted
  Encyclia cochleata var. cochleata (L.) Lemée -- not accepted -- clamshell orchid
  Encyclia cochleata var. triandra (Ames) Dressler -- not accepted -- clamshell orchid
  Encyclia fucata (Lindl.) Britton & Millsp. -- accepted -- West Indian butterfly orchid
  Encyclia gravida (Lindl.) Schltr. -- not accepted -- Encyclia grávida, heavyfruit butterfly orchid
  Encyclia isochila (Rchb. f.) Dod -- accepted -- royal star orchid
  Encyclia kraenzlinii (Bello) Ackerman -- not accepted
  Encyclia krugii (Bello) Britton & P. Wilson -- not accepted
  Encyclia oncidioides (Lindl.) Schltr. -- accepted -- heavyfruit butterfly orchid
  Encyclia papilionacea (Vahl) Schltr. -- not accepted
  Encyclia pygmaea (Hook.) Dressler -- not accepted -- dwarf butterfly orchid, Encyclia pigmea
  Encyclia rufa (Lindl.) Britton & Millsp. -- accepted -- rufous butterfly orchid
  Encyclia sintenisii (Rchb. f.) Britton -- not accepted -- Sintenis' butterfly orchid
  Encyclia tampensis (Lindl.) Small -- accepted -- Tampa butterfly orchid
  Epicladium boothianum (Lindl.) Small -- not accepted
  Epidendropsis vincentina (Lindl.) Garay & Dunst. -- not accepted
  Epidendrum L. -- accepted -- star orchid
  Epidendrum acunae Dressler -- accepted -- Acuna's star orchid
  Epidendrum amphistomum A. Rich. -- accepted -- big-mouth star orchid
  Epidendrum anceps Jacq. -- accepted -- brown-flower butterfly orchid
  Epidendrum antillanum Ackerman & Hágsater -- accepted -- Antilles star orchid
  Epidendrum belvederense Fawc. & Rendle -- not accepted -- royal star orchid
  Epidendrum bicornutum Hook. -- not accepted
  Epidendrum bifidum Aubl. -- not accepted
  Epidendrum blancheanum Urb. -- accepted -- Acuna's star orchid
  Epidendrum boricuarum Hágsater & L.Sánchez -- accepted -- fleshy star orchid
  Epidendrum brittonianum A.D. Hawkes -- not accepted
  Epidendrum carpophorum Barb. Rodr. -- not accepted -- round-leaf star orchid
  Epidendrum ciliare L. -- accepted -- Epidendrum ciliado, fringed star orchid
  Epidendrum cochleatum L. -- not accepted
  Epidendrum cochleatum var. triandrum Ames -- not accepted
  Epidendrum conopseum R. Br. -- not accepted -- Epidendrum del norte, green fly orchid
  Epidendrum conopseum var. mexicana L.O. Williams -- not accepted
  Epidendrum cucullatum L. -- not accepted
  Epidendrum difforme auct. non Jacq. -- not accepted -- umbrella star orchid
  Epidendrum erythronioides Small -- not accepted
  Epidendrum fucatum Lindl. -- not accepted
  Epidendrum hioramii Acuńa & Alain -- accepted -- Florida star orchid
  Epidendrum ibaguense Kunth -- accepted -- South American star orchid
  Epidendrum isochilum var. tridens Rchb. f. -- not accepted
  Epidendrum jamaicense Lindl. -- accepted -- umbrella star orchid
  Epidendrum kraenzlinii Bello -- not accepted
  Epidendrum krugii Bello -- not accepted
  Epidendrum lacerum Lindl. -- not accepted -- thicket star orchid
  Epidendrum latifolium (Lindl.) Garay & H.R. Sweet -- not accepted -- broadleaf star orchid, Epidendrum de hoja amplia
  Epidendrum magnoliae Muhl. -- accepted -- green fly orchid
  Epidendrum magnoliae var. magnoliae Muhl. -- not accepted -- green fly orchid
  Epidendrum magnoliae var. mexicanum (L.O. Williams) P.M. Br. -- not accepted
  Epidendrum miserrimum Rchb. f. -- accepted -- woodland tuftedorchid
  Epidendrum moirianum auct. non A.D. Hawkes -- not accepted
  Epidendrum mutelianum Cogn. -- accepted -- orange-flower star orchid
  Epidendrum nocturnum Jacq. -- accepted -- dama de noche, Epidendrum nocturno, night scented orchid
  Epidendrum nodosum L. -- not accepted
  Epidendrum nutans Sw. -- accepted
  Epidendrum oncidioides Lindl. -- not accepted
  Epidendrum oncidioides var. gravidum (Lindl.) Ames -- not accepted
  Epidendrum ottonis Rchb. f. -- not accepted
  Epidendrum pallidiflorum Hook. -- accepted -- Caribbean star orchid
  Epidendrum parkinsonianum Hook. -- accepted
  Epidendrum patens Sw. -- accepted -- West Indian star orchid
  Epidendrum pseudoramosum Schltr. -- accepted -- Epidendrum ramificado, grand star orchid
  Epidendrum pygmaeum Hook. -- not accepted
  Epidendrum radicans Pav. ex Lindl. -- accepted -- Epidendrum de los caminos, fire star orchid
  Epidendrum ramosum Jacq. -- accepted -- Epidendrum ramoso, mountain star orchid
  Epidendrum rigidum Jacq. -- accepted -- Epidendrum rigido, stiff flower star orchid
  Epidendrum secundum Jacq. -- accepted -- lopsided star orchid, thicket star orchid
  Epidendrum serrulatum Sw. -- accepted -- smalltooth star orchid
  Epidendrum sintenisii Rchb. f. -- not accepted
  Epidendrum strobiliferum Rchb. f. -- accepted -- big cypress star orchid, Epidendrum de estróbilo
  Epidendrum tampense Lindl. -- not accepted
  Epidendrum tridens Poepp. & Endl. -- accepted -- oblong-leaf star orchid, round-leaf star orchid
  Epidendrum vincentinum Lindl. -- accepted -- guilarte
  Epidendrum X obrienianum Rolfe -- accepted -- O'Brien's star orchid
  Epipactis Zinn -- accepted -- helleborine
  Epipactis atrorubens (Hoffm.) Besser -- accepted -- royal helleborine
  Epipactis gigantea Douglas ex Hook. -- accepted -- giant helleborine, Heleborina gigante, stream orchid
  Epipactis helleborine (L.) Crantz -- accepted -- broadleaf helleborine
  Epipactis latifolia (L.) All. -- not accepted
  Epipactis palustris Crantz -- accepted -- marsh orchid
  Epipactis rubiginosa Gaudich. ex W.D.J. Koch -- not accepted
  Erythrodes Blume -- accepted -- false helmetorchid
  Erythrodes hirtella (Sw.) Fawc. & Rendle -- not accepted -- Cuban false helmetorchid
  Erythrodes plantaginea (L.) Fawc. & Rendle -- not accepted -- Caribbean false helmetorchid
  Erythrodes querceticola (Lindl.) Ames -- not accepted
  Eulophia R. Br. ex Lindl. -- accepted -- wild coco
  Eulophia alta (L.) Fawc. & Rendle -- accepted -- Eulophia alta, wild coco
  Eulophia ecristata (Fernald) Ames -- not accepted
  Eulophia graminea Lindl. -- accepted
  Eulophia macgregorii Ames -- not accepted
  Eulophia pulchra (Thouars) Lindl. -- accepted
  Eulophia spectabilis (Dennst.) Suresh -- accepted
  Eulophidium maculatum (Lindl.) Pfitzer -- not accepted
  Eurystyles Wawra -- accepted -- custard orchid
  Eurystyles ananassocomos (Rchb. f.) Schltr. -- accepted -- custard orchid
  Fissipes acaulis (Aiton) Small -- not accepted
  Galeandra Lindl. -- accepted -- hooded orchid
  Galeandra beyrichii Rchb. f. -- accepted -- Beyrich's hooded orchid
  Galeandra bicarinata G.A. Romero & P.M. Br. -- accepted -- Beyrich's hooded orchid
  Galearis Raf. -- accepted
  Galearis spectabilis (L.) Raf. -- accepted -- galéaris remarquable, showy orchid, showy orchis
  Galeorchis spectabilis (L.) Rydb. -- not accepted
  Geodorum Jacks. -- accepted
  Geodorum densiflorum (Lam.) Schltr. -- accepted
  Goodyera R. Br. -- accepted -- rattlesnake plantain
  Goodyera decipiens (Hook.) F.T. Hubb. -- not accepted
  Goodyera oblongifolia Raf. -- accepted -- Goodyera del norte, rattlesnake plantain, western rattlesnake plantain
  Goodyera oblongifolia var. reticulata B. Boivin -- not accepted
  Goodyera ophioides (Fernald) Rydb. -- not accepted
  Goodyera pubescens (Willd.) R. Br. -- accepted -- downy rattlesnake-plantain, goodyérie pubescente
  Goodyera repens (L.) R. Br. -- accepted -- dwarf rattlesnake-plantain, lesser rattlesnake plantain
  Goodyera repens ssp. ophioides (Fernald) Á. Löve & W. Simon -- not accepted
  Goodyera repens var. ophioides Fernald -- not accepted
  Goodyera tesselata Lodd. -- accepted -- checkered rattlesnake plantain
  Govenia Lindl. -- accepted
  Govenia floridana P.M. Br. -- accepted -- tropical govenia
  Govenia liliacea Lindl. -- not accepted -- Govenia liliácea
  Govenia utriculata (Sw.) Lindl. -- accepted -- tropical govenia
  Gymnadenia R. Br. -- accepted
  Gymnadenia conopsea (L.) R. Br. -- accepted -- fragrant orchid
  Gymnadeniopsis Rydb. -- accepted
  Gymnadeniopsis clavellata (Michx.) Rydb. -- accepted -- small green wood orchid
  Gymnadeniopsis integra (Nutt.) Rydb. -- accepted -- yellow fringeless orchid
  Gymnadeniopsis nivea (Nutt.) Rydb. -- accepted -- snowy orchid
  Habenaria Willd. -- accepted -- bog orchid
  Habenaria alata Hook. -- accepted -- Habenaria alada, winged bog orchid
  Habenaria albida var. straminea (Fernald) Morris & Eames -- not accepted
  Habenaria amalfitana F. Lehm. & Kraenzl. -- accepted -- Guadeloupe bog orchid
  Habenaria behringiana (Rydb.) Ames -- not accepted
  Habenaria bicolor (Raf.) Beckner -- not accepted
  Habenaria blephariglottis (Willd.) Hook. -- not accepted
  Habenaria blephariglottis var. conspicua (Nash) Ames -- not accepted
  Habenaria blephariglottis var. integrilabia Correll -- not accepted
  Habenaria bracteata (Muhl. ex Willd.) R. Br. -- not accepted
  Habenaria chorisiana Cham. -- not accepted
  Habenaria ciliaris (L.) R. Br. -- not accepted
  Habenaria clavellata (Michx.) Spreng. -- not accepted
  Habenaria clavellata var. ophioglossoides Fernald -- not accepted
  Habenaria clavellata var. wrightii L.S. Olive -- not accepted
  Habenaria conopsea (L.) Benth. -- not accepted
  Habenaria correlliana Cronquist -- not accepted
  Habenaria correllii Cronquist -- not accepted
  Habenaria cristata (Michx.) R. Br. -- not accepted
  Habenaria dilatata (Pursh) Hook. -- not accepted
  Habenaria dilatata var. albiflora (Cham.) Correll -- not accepted
  Habenaria dilatata var. leucostachys (Lindl.) Ames -- not accepted
  Habenaria dilatata var. media (Rydb.) Hultén -- not accepted
  Habenaria distans Griseb. -- accepted -- Habenaria arrosetada, hammock bog orchid
  Habenaria dussii Cogn. -- not accepted -- Guadeloupe false reinorchid
  Habenaria elegans (Lindl.) Bol. -- not accepted
  Habenaria elegans var. maritima (Greene) Ames -- not accepted
  Habenaria eustachya Rchb. f. -- accepted -- Habenaria grande, woodland bog orchid
  Habenaria fimbriata (Aiton) R. Br. -- not accepted
  Habenaria flava (L.) R. Br. -- not accepted
  Habenaria flava var. herbiola (R. Br.) Ames & Correll -- not accepted
  Habenaria floribunda Lindl. -- accepted -- Habenaria azulosa, toothpetal bog orchid
  Habenaria grandiflora (Bigelow) Torr. -- not accepted
  Habenaria greenei Jeps. -- not accepted
  Habenaria habenaria (L.) Small -- not accepted
  Habenaria holochila Hillebr. -- not accepted
  Habenaria hookeri Torr. ex A. Gray -- not accepted
  Habenaria hookeri var. abbreviata Fernald -- not accepted
  Habenaria huronensis (Nutt.) Spreng. -- not accepted
  Habenaria hyperborea (L.) R. Br. -- not accepted
  Habenaria hyperborea var. huronensis (Nutt.) Farw. -- not accepted
  Habenaria hyperborea var. viridiflora (Cham.) S.L. Welsh -- not accepted
  Habenaria integra (Nutt.) Spreng. -- not accepted
  Habenaria lacera (Michx.) R. Br. -- not accepted
  Habenaria lacera var. terrae-novae Fernald -- not accepted
  Habenaria leucophaea (Nutt.) A. Gray -- not accepted
  Habenaria leucophaea var. praeclara (Sheviak & M.L. Bowles) Cronquist -- not accepted
  Habenaria leucostachys (Lindl.) S. Watson -- not accepted
  Habenaria limosa (Lindl.) Hemsl. -- not accepted
  Habenaria macroceratitis Willd. -- not accepted -- big-horn bog orchid
  Habenaria macrophylla Goldie -- not accepted
  Habenaria maritima Greene -- not accepted
  Habenaria media (Rydb.) Niles -- not accepted
  Habenaria michaelii Greene -- not accepted
  Habenaria monorrhiza (Sw.) Rchb. f. -- accepted -- Habenaria de caminos, tropical bog orchid
  Habenaria nivea (Nutt.) Spreng. -- not accepted
  Habenaria obtusata (Banks ex Pursh) Richardson -- not accepted
  Habenaria obtusata var. collectanea Fernald -- not accepted
  Habenaria odontopetala Rchb. f. -- not accepted -- toothpetal bog orchid
  Habenaria orbiculata (Pursh) Hook. -- not accepted
  Habenaria orbiculata var. lehorsii Fernald -- not accepted
  Habenaria orbiculata var. macrophylla (Goldie) B. Boivin -- not accepted
  Habenaria orbiculata var. menziesii (Lindl.) Fernald -- not accepted
  Habenaria peramoena A. Gray -- not accepted
  Habenaria psycodes (L.) Spreng. -- not accepted
  Habenaria psycodes var. grandiflora (Bigelow) A. Gray -- not accepted
  Habenaria quinqueseta (Michx.) Eaton -- accepted -- Habenaria blanca, longhorn bog orchid, longhorn false reinorchid
  Habenaria quinqueseta var. macroceratitis (Willd.) Luer -- accepted -- longhorn false reinorchid
  Habenaria quinqueseta var. quinqueseta (Michx.) Eaton -- accepted -- longhorn false reinorchid
  Habenaria repens Nutt. -- accepted -- Habenaria acuática, waterspider bog orchid, waterspider false reinorchid
  Habenaria saccata Greene -- not accepted
  Habenaria scutellata (Nutt.) F. Morris -- not accepted
  Habenaria sparsiflora S. Watson -- not accepted
  Habenaria sparsiflora var. brevifolia (Greene) Correll -- not accepted
  Habenaria sparsiflora var. laxiflora (Rydb.) Correll -- not accepted
  Habenaria straminea Fernald -- not accepted
  Habenaria stricta (Lindl.) Rydb. -- not accepted
  Habenaria strictissima Rchb. f. -- accepted -- Habenaria angosta
  Habenaria strictissima var. odontopetala (Rchb. f.) L.O. Williams -- not accepted
  Habenaria unalascensis (Spreng.) S. Watson -- not accepted
  Habenaria unalascensis ssp. elata (Jeps.) Calder & Roy L. Taylor -- not accepted
  Habenaria unalascensis var. elata (Jeps.) Correll -- not accepted
  Habenaria unalascensis var. maritima (Greene) Correll -- not accepted
  Habenaria viridis (L.) R. Br. -- not accepted
  Habenaria viridis var. bracteata (Muhl.) A. Gray -- not accepted
  Habenaria viridis var. interjecta Fernald -- not accepted
  Habenaria X andrewsii M. White -- not accepted
  Habenaria X canbyi Ames -- not accepted
  Habenaria X chapmanii (Small) Ames -- not accepted
  Habenaria zothecina L.C. Higgins & S.L. Welsh -- not accepted
  Habenella odontopetala (Rchb. f.) Small -- not accepted
  Hammarbya paludosa (L.) Kuntze -- not accepted
  Hapalorchis Schltr. -- accepted
  Hapalorchis lineatus (Lindl.) Schltr. -- not accepted -- tropical ladies'-tresses
  Hapalorchis tenuis (Lindl.) Schltr. -- not accepted
  Harrisella Fawc. & Rendle -- not accepted
  Harrisella filiformis (Sw.) Cogn. -- not accepted -- needleroot airplant orchid
  Harrisella porrecta (Rchb. f.) Fawc. & Rendle -- not accepted -- needleroot airplant orchid
  Helleriella A.D. Hawkes -- accepted
  Helleriella punctulata (Rchb. f.) Garay & H.R. Sweet -- not accepted -- dotted orchid
  Hexalectris Raf. -- accepted -- crested coralroot
  Hexalectris grandiflora (A. Rich. & Galeotti) L.O. Williams -- accepted -- Greenman's hexalectris, largeflower crested coralroot, Raíz-de-coral rosada
  Hexalectris nitida L.O. Williams -- accepted -- Glass Mountain coral-root, Glass Mountain crested coralroot, Raíz-de-coral nítida
  Hexalectris revoluta Correll -- accepted -- Chisos coral-root, Chisos Mountain crested coralroot, Raíz de coral revoluta
  Hexalectris revoluta var. colemanii Catling -- accepted -- Chisos Mountain crested coralroot
  Hexalectris revoluta var. revoluta Correll -- accepted -- Chisos Mountain crested coralroot
  Hexalectris spicata (Walter) Barnhart -- accepted -- crested coralroot, Raíz-de-coral crestada, spiked crested coralroot, spiked crested-coralroot
  Hexalectris spicata var. arizonica (S. Watson) Catling & V.S. Engel -- accepted -- spiked crested coralroot
  Hexalectris spicata var. spicata (Walter) Barnhart -- accepted -- spiked crested coralroot
  Hexalectris warnockii Ames & Correll -- accepted -- Raíz-de-Coral de Texas, Texas crested coralroot, Texas crested-coralroot
  Hormidium Lindl. ex Heynh. -- not accepted
  Hormidium pygmaeum (Hook.) Benth. & Hook. f. -- not accepted
  Hormidium tripterum (Brongn.) Cogn. -- not accepted
  Ibidium beckii (Lindl.) House -- not accepted
  Ibidium cernuum (L.) House -- not accepted
  Ibidium floridanum Wherry -- not accepted
  Ibidium gracile (Bigelow) House -- not accepted
  Ibidium laciniatum (Small) House -- not accepted
  Ibidium longilabre (Lindl.) House -- not accepted
  Ibidium ovale (Lindl.) House -- not accepted
  Ibidium plantagineum (Raf.) House -- not accepted
  Ibidium praecox (Walter) House -- not accepted
  Ibidium strictum (Rydb.) House -- not accepted
  Ibidium tortile (Sw.) House -- not accepted
  Ibidium vernale (Engelm. & A. Gray) House -- not accepted
  Ibidium X intermedium (Ames) House -- not accepted
  Ionopsis Kunth -- accepted -- violet orchid
  Ionopsis satyrioides (Sw.) Rchb. f. -- accepted -- fleshyleaf violet orchid, Ionopsis carnosa
  Ionopsis satyroides (Sw.) Rchb. f. -- not accepted
  Ionopsis utricularioides (Sw.) Lindl. -- accepted -- delicate violet orchid, Ionopsis delicado
  Isochilus R. Br. -- accepted
  Isochilus linearis (Jacq.) R. Br. -- accepted -- Cresta-de-gallo delgada, narrowleaf equallip orchid
  Isotria Raf. -- accepted -- fiveleaf orchid
  Isotria medeoloides (Pursh) Raf. -- accepted -- green fiveleaf orchid, small whorled pogonia
  Isotria verticillata (Muhl. ex Willd.) Raf. -- accepted -- large whorled pogonia, purple fiveleaf orchid
  Jacquiniella Schltr. -- accepted -- tufted orchid
  Jacquiniella globosa (Jacq.) Schltr. -- accepted -- Jacquiniella globosa, redblotch tufted orchid
  Jacquiniella miserrima (Rchb. f.) Stehlé -- not accepted -- woodland tuftedorchid
  Jacquiniella teretifolia (Sw.) Britton & P. Wilson -- accepted -- Jacquiniella carnosa, moss tufted orchid
  Koellensteinia Rchb. f. -- accepted
  Koellensteinia graminea (Lindl.) Rchb. f. -- accepted -- grassleaf orchid
  Laelia Lindl. -- accepted
  Laelia harpophylla Rchb. f. -- not accepted
  Laelia rubescens Lindl. -- accepted -- pale laelia
  Laeliopsis Lindl. & Paxton -- not accepted
  Laeliopsis domingensis (Lindl.) Lindl. & Paxton -- not accepted -- king orchid
  Leochilus Knowles & Westc. -- accepted
  Leochilus labiatus (Sw.) Kuntze -- accepted -- green smoothlip orchid, Leochilus de labio, lipped orchid
  Leochilus puertoricensis M.W. Chase -- accepted -- Puerto Rico smoothlip orchid
  Lepanthes Sw. -- accepted -- babyboot orchid
  Lepanthes caritensis Tremblay & Ackerman -- accepted -- Carite babyboot orchid
  Lepanthes dodiana Stimson -- accepted -- island babyboot orchid
  Lepanthes eltoroensis Stimson -- accepted -- Luquillo Mountain babyboot orchid
  Lepanthes harrisii Fawc. & Rendle -- not accepted
  Lepanthes rubripetala Stimson -- accepted -- forest babyboot orchid
  Lepanthes rupestris Stimson -- accepted -- rock babyboot orchid
  Lepanthes sanguinea Hook. -- accepted -- Jamaican babyboot orchid
  Lepanthes selenitepala Rchb. f. -- accepted -- mountain babyboot orchid
  Lepanthes veleziana Stimson -- accepted -- Puerto Rico babyboot orchid
  Lepanthes veleziana var. retusicolumna Stimson -- accepted -- Puerto Rico babyboot orchid
  Lepanthes veleziana var. veleziana Stimson -- accepted -- Puerto Rico babyboot orchid
  Lepanthes woodburyana Stimson -- accepted -- Woodbury's babyboot orchid
  Lepanthopsis Ames -- accepted
  Lepanthopsis melanantha (Rchb. f.) Ames -- accepted -- tiny orchid
  Leucorchis albida ssp. straminea (Fernald) Á. Löve -- not accepted
  Leucorchis albida var. subalpina (Neuman) Hyl. -- not accepted
  Limnorchis dilatata (Pursh) Rydb. -- not accepted
  Limnorchis dilatata ssp. albiflora (Cham.) Á. Löve & W. Simon -- not accepted
  Limnorchis ensifolia Rydb. -- not accepted
  Limnorchis graminifolia Rydb. -- not accepted
  Limnorchis hyperborea (L.) Rydb. -- not accepted
  Limnorchis media Rydb. -- not accepted
  Limnorchis purpurascens Rydb. -- not accepted
  Limnorchis saccata (Greene) Á. Löve & W. Simon -- not accepted
  Limnorchis sparsiflora (S. Watson) Rydb. -- not accepted
  Limnorchis stricta (Lindl.) Rydb. -- not accepted
  Limnorchis thurberi (A. Gray) Rydb. -- not accepted
  Limnorchis viridiflora (Cham.) Rydb. -- not accepted
  Limnorchis zothecina (L.C. Higgins & S.L. Welsh) W.A. Weber -- not accepted
  Limodorum multiflorum (Lindl.) C. Mohr -- not accepted
  Limodorum pallidum (Chapm.) C. Mohr -- not accepted
  Limodorum parviflorum (Lindl.) Nash -- not accepted
  Limodorum pinetorum Small -- not accepted
  Limodorum simpsonii Small -- not accepted
  Limodorum tuberosum L. -- not accepted
  Liparis Rich. -- accepted -- widelip orchid
  Liparis eggersii Rchb. f. -- not accepted -- Eggers' widelip orchid
  Liparis elata Lindl. -- not accepted -- Liparis hojosa, pantropical widelip orchid
  Liparis guamensis Ames -- not accepted
  Liparis harrisii Fawc. & Rendle -- not accepted -- Harris' widelip orchid
  Liparis hawaiensis H. Mann -- accepted -- Hawai'i widelip orchid
  Liparis liliifolia (L.) Rich. ex Lindl. -- accepted -- brown widelip orchid
  Liparis loeselii (L.) Rich. -- accepted -- yellow wide-lip orchid, yellow widelip orchid
  Liparis nervosa (Thunb.) Lindl. -- accepted -- pantropical widelip orchid
  Liparis saundersiana Rchb. f. -- accepted -- Saunders' widelip orchid
  Liparis vexillifera (La Llave & Lex.) Cogn. -- accepted -- Liparis bandera, tropical widelip orchid
  Liparis X jonesii S. Bentley -- accepted
  Listera R. Br. -- not accepted -- twayblade
  Listera auriculata Wiegand -- not accepted -- auricled twayblade
  Listera australis Lindl. -- not accepted -- listčre australe, southern twayblade
  Listera banksiana Lindl. -- not accepted -- northwestern twayblade
  Listera borealis Morong -- not accepted -- northern listera, northern twayblade
  Listera caurina Piper -- not accepted -- northwestern twayblade
  Listera convallarioides (Sw.) Nutt. ex Elliott -- not accepted -- broad-lip twayblade, broadleaf twayblade, broadlipped listera, broadlipped twayblade
  Listera cordata (L.) R. Br. -- not accepted -- heartleaf twayblade
  Listera cordata ssp. nephrophylla (Rydb.) Á. Löve & D. Löve -- not accepted
  Listera cordata var. cordata (L.) R. Br. -- not accepted -- heartleaf twayblade
  Listera cordata var. nephrophylla (Rydb.) Hultén -- not accepted -- heartleaf twayblade
  Listera nephrophylla Rydb. -- not accepted
  Listera ovata (L.) R. Br. -- not accepted -- eggleaf twayblade
  Listera smallii Wiegand -- not accepted -- kidneyleaf twayblade
  Listera X veltmanii Case -- not accepted -- Veltman's listera
  Lophiaris maculata (Aubl.) Ackerman -- not accepted
  Lycaste Lindl. -- accepted
  Lycaste barringtoniae (Sm.) Lindl. -- not accepted -- bee orchid
  Lysias hookeriana (Torr. ex A. Gray) Rydb. -- not accepted
  Lysias orbiculata (Pursh) Rydb. -- not accepted
  Lysiella obtusata (Banks ex Pursh) Rydb. -- not accepted
  Macradenia R. Br. -- accepted
  Macradenia lutescens R. Br. -- accepted -- longgland orchid
  Malaxis Sol. ex Sw. -- accepted -- adder's-mouth orchid, addersmouth orchid
  Malaxis abieticola Salazar & Soto Arenas -- accepted -- Arizona adder's-mouth orchid
  Malaxis bayardii Fernald -- accepted -- Bayard's adder's-mouth orchid
  Malaxis brachypoda (A. Gray) Fernald -- not accepted -- adder's-mouth, white adder's-mouth orchid
  Malaxis corymbosa (S. Watson) Kuntze -- not accepted -- Huachuca adder's-mouth, Huachuca Mountain adder's-mouth orchid
  Malaxis diphyllos Cham. -- not accepted -- Aleutian adder's-mouth orchid
  Malaxis ehrenbergii (Rchb. f.) Kuntze -- accepted -- Ehrenberg's adder's-mouth orchid, Ehrenberg's addersmouth orchid, Malaxis de Ehrenberg
  Malaxis floridana (Chapm.) Kuntze -- not accepted
  Malaxis macrostachya (Lex.) Kuntze -- accepted -- Chiricahua adder's-mouth orchid, Chiricahua addersmouth orchid
  Malaxis major (Rchb. f.) León ex A.D. Hawkes -- accepted -- royal adder's-mouth orchid
  Malaxis massonii (Ridl.) Kuntze -- accepted -- Masson's adder's-mouth orchid
  Malaxis monophyllos (L.) Sw. -- accepted
  Malaxis monophyllos ssp. brachypoda (A. Gray) Á. Löve & D. Löve -- not accepted
  Malaxis monophyllos var. brachypoda (A. Gray) F. Morris & E.A. Eames -- accepted
  Malaxis monophyllos var. diphyllos (Cham.) Luer -- not accepted
  Malaxis monophyllos var. monophyllos (L.) Sw. -- accepted -- Aleutian adder's-mouth orchid
  Malaxis paludosa (L.) Sw. -- accepted -- bog adder's-mouth orchid
  Malaxis porphyrea (Ridl.) Kuntze -- accepted -- Cochise adder's-mouth orchid
  Malaxis soulei L.O. Williams -- not accepted -- Chiricahua adder's-mouth orchid, Malaxis de montańa
  Malaxis spicata Sw. -- accepted -- Florida adder's-mouth orchid
  Malaxis tenuis (S. Watson) Ames -- not accepted -- Arizona adder's-mouth orchid, Arizona addersmouth orchid
  Malaxis unifolia Michx. -- accepted -- green adder's-mouth orchid, green addersmouth orchid, Malaxis unifolia
  Malaxis wendtii Salazar -- accepted -- Wendt's adder's-mouth orchid
  Masdevallia Ruiz & Pav. -- accepted
  Masdevallia coccinea Linden ex Lindl. -- accepted
  Maxillaria Ruiz & Pav. -- accepted -- tiger orchid
  Maxillaria acutifolia Lindl. -- not accepted -- Maxillaria aguda, rufous tiger orchid
  Maxillaria coccinea (Jacq.) L.O. Williams -- not accepted -- flame orchid
  Maxillaria conferta (Griseb.) C. Schweinf. -- not accepted
  Maxillaria crassifolia (Lindl.) Rchb. f. -- accepted -- hidden orchid, Maxillaria crasa
  Maxillaria luteo-alba Lindl. -- accepted
  Maxillaria parviflora (Poepp. & Endl.) Garay -- not accepted -- purple tiger orchid
  Maxillaria purpurea (Spreng.) Ames & Correll -- not accepted -- purple tiger orchid
  Maxillaria rufescens auct. non Lindl. -- not accepted -- rufous tiger orchid
  Maxillaria sessilis (Sw.) Fawc. & Rendle -- not accepted
  Mesadenus Schltr. -- accepted -- ladies'-tresses
  Mesadenus lucayanus (Britton) Schltr. -- accepted -- Florida Keys ladies'-tresses, Spiranthes lucayana
  Mesadenus polyanthus (Rchb. f.) Schltr. -- accepted -- Spiranthes multiflora
  Microstylis porphyrea Ridl. -- not accepted
  Microstylis unifolia (Michx.) Britton, Sterns & Poggenb. -- not accepted
  Miltonia Lindl. -- accepted -- pansy orchid
  Miltonia vexillaria (Rchb. f.) G. Nicholson -- not accepted
  Neolehmannia difformis auct. non (Jacq.) Pabst -- not accepted
  Neottia auriculata (Wiegand) Szlach. -- accepted -- auricled twayblade
  Neottia australis (Lindl.) Szlach. -- not accepted
  Neottia borealis (Morong) Szlach. -- accepted -- northern twayblade
  Neottia caurina (Piper) Szlach. -- not accepted
  Neottia nephrophylla (Rydb.) Szlach. -- not accepted
  Neottia smallii (Wiegand) Szlach. -- accepted -- kidneyleaf twayblade
  Nervilia Comm. ex Gaudich. -- accepted
  Nervilia aragoana Gaudich. -- accepted
  Nervilia jacksoniae Rinehart & Fosberg -- accepted
  Nervilia platychila Schltr. -- accepted
  Nidema Britton & Millsp. -- accepted
  Nidema ottonis (Rchb. f.) Britton & Millsp. -- accepted -- fairy orchid
  Octadesmia montana (Sw.) Benth. -- not accepted
  Odontoglossum Kunth -- not accepted
  Odontoglossum triumphans Rchb. f. & Warsz. -- not accepted
  Oeceoclades Lindl. -- accepted -- monk orchid
  Oeceoclades maculata (Lindl.) Lindl. -- accepted -- ground orchid, monk orchid
  Oncidium Sw. -- accepted -- dancing-lady orchid
  Oncidium alatum Cogn. -- not accepted
  Oncidium altissimum (Jacq.) Sw. -- accepted -- Wydler's dancing-lady orchid
  Oncidium bahamense Nash ex Britton & Millsp. -- not accepted
  Oncidium baueri auct. non Lindl. -- not accepted -- cowslip orchid
  Oncidium carthaginense (Jacq.) Sw. -- not accepted -- Coot Bay dancing-lady orchid
  Oncidium cebolleta (Jacq.) Sw. -- accepted -- Oncidium cuerno-de-cabra, queen orchid
  Oncidium ensatum Lindl. -- accepted -- Florida orchid, Latin American orchid, Oncidium de sabana
  Oncidium floridanum Ames -- not accepted -- Florida orchid
  Oncidium intermedium Bertero -- not accepted
  Oncidium leiboldii auct. non Rchb. f. -- not accepted -- Leibold's orchid
  Oncidium lemonianum Lindl. -- accepted -- muleear orchid
  Oncidium luridum auct. non Lindl. -- not accepted -- Oncidium pardo
  Oncidium maculatum (Aubl.) Ackerman -- not accepted
  Oncidium meirax Rchb. f. -- not accepted -- winged-lady orchid
  Oncidium papilio Lindl. -- not accepted -- Trinidad butterflyplant
  Oncidium prionochilum Kraenzl. -- not accepted -- tropical dancinglady orchid
  Oncidium undulatum (Sw.) Salisb. -- not accepted -- Cape Sable orchid
  Oncidium variegatum (Sw.) Sw. -- not accepted -- harlequin dancinglady orchid
  Oncidium wydleri Rchb. f. -- not accepted -- Wydler's dancinglady orchid
  Ophrys L. -- accepted
  Ophrys auriculata (Wiegand) House -- not accepted
  Ophrys australis (Lindl.) House -- not accepted
  Ophrys caurina (Piper) Rydb. -- not accepted
  Ophrys convallarioides (Sw.) W. Wight -- not accepted
  Ophrys cordata L. -- not accepted
  Ophrys insectifera L. -- accepted -- fly orchid
  Ophrys smallii (Wiegand) House -- not accepted
  Orchidaceae -- accepted -- orchids
  Orchis L. -- accepted
  Orchis aristata Fisch. ex Lindl. -- not accepted
  Orchis maculata L. -- not accepted
  Orchis morio L. -- accepted -- green-winged orchid
  Orchis purpurella T. Stephenson & T.A. Stephenson -- accepted
  Orchis rotundifolia Banks ex Pursh -- not accepted
  Orchis rotundifolia var. lineata Mousley -- not accepted
  Orchis spectabilis L. -- not accepted
  Ornithidium coccineum (Jacq.) Salisb. ex R. Br. -- accepted
  Ornithidium confertum Griseb. -- not accepted
  Paphiopedilum Pfitzer -- accepted -- Venus' slipper
  Pelexia Poit. ex Lindl. -- accepted -- hachuela
  Pelexia adnata (Sw.) Spreng. -- accepted -- hachuela, Spiranthes adnada
  Pelexia setacea Lindl. -- not accepted
  Peramium decipiens (Hook.) Piper -- not accepted
  Peramium menziesii Lindl. -- not accepted
  Peramium ophioides (Fernald) Rydb. -- not accepted
  Peramium pubescens (Willd.) MacMill. -- not accepted
  Peramium tesselatum (Lodd.) A. Heller -- not accepted
  Perularia bidentata Small -- not accepted
  Perularia flava (L.) Farw. -- not accepted
  Perularia scutellata Small -- not accepted
  Phaius Lour. -- accepted -- nun's-hood orchid
  Phaius tancarvilleae (Banks ex L'Hér.) Blume -- not accepted -- nun's-hood orchid
  Phalaenopsis Blume -- accepted -- moth orchid
  Physurus hirtellus (Sw.) Lindl. -- not accepted
  Physurus plantagineus (L.) Lindl. -- not accepted
  Physurus querceticola Lindl. -- not accepted
  Physurus sagraeanus A. Rich. -- not accepted
  Physurus sagreanus A. Rich. -- not accepted
  Piperia Rydb. -- not accepted -- rein orchid
  Piperia candida Rand. Morgan & Ackerman -- not accepted -- whiteflower rein orchid
  Piperia colemanii Rand. Morgan & Glic. -- not accepted -- Coleman's piperia
  Piperia cooperi (S. Watson) Rydb. -- not accepted -- Cooper's rein orchid
  Piperia elegans (Lindl.) Rydb. -- not accepted -- elegant piperia
  Piperia elegans ssp. decurtata Rand. Morgan & Glic. -- not accepted -- elegant piperia
  Piperia elegans ssp. elegans (Lindl.) Rydb. -- not accepted -- elegant piperia
  Piperia elegans var. elata (Jeps.) Luer -- not accepted
  Piperia elongata Rydb. -- not accepted -- denseflower rein orchid
  Piperia elongata ssp. elongata Rydb. -- not accepted -- denseflower rein orchid
  Piperia elongata ssp. michaelii (Greene) Ackerman -- not accepted -- Michael's rein orchid
  Piperia lancifolia Rydb. -- not accepted
  Piperia leptopetala Rydb. -- not accepted -- narrow-petal rein orchid
  Piperia longispica Durand -- not accepted
  Piperia maritima Rydb. -- not accepted
  Piperia michaelii (Greene) Rydb. -- not accepted -- Michael's piperia
  Piperia multiflora Rydb. -- not accepted
  Piperia transversa Suksd. -- not accepted -- royal rein orchid
  Piperia unalascensis (Spreng.) Rydb. -- not accepted -- Alaska bog orchid, Alaska rein orchid, Alaskan rein-orchid, Piperia de Alaska, pipérie d'Unalaska, slender-spire orchid
  Piperia yadonii Rand. Morgan & Ackerman -- not accepted -- Yadon's piperia
  Platanthera Rich. -- accepted -- bog orchid, fringed orchid
  Platanthera albida (L.) Lindl. -- not accepted -- vanilla scented bog orchid
  Platanthera albida var. straminea (Fernald) Luer -- not accepted -- platanthčre blanchâtre variété jaune-paille, vanilla scented bog orchid, vanilla-scent bog orchid
  Platanthera aquilonis Sheviak -- accepted -- northern green orchid
  Platanthera blephariglottis (Willd.) Lindl. -- accepted -- platanthčre ŕ gorge frangée, white fringed orchid, white-fringe orchis
  Platanthera blephariglottis var. blephariglottis (Willd.) Lindl. -- accepted -- white fringed orchid
  Platanthera blephariglottis var. conspicua (Nash) Luer -- accepted -- white fringed orchid
  Platanthera brevifolia (Greene) Kraenzl. -- accepted -- Platanthera de hoja corta, shortflower bog orchid, shortflowered bog orchid
  Platanthera chapmanii (Small) Luer -- accepted -- Chapman's bog orchid, Chapman's fringed orchid
  Platanthera chorisiana (Cham.) Rchb. f. -- accepted -- Chamisso's orchid
  Platanthera ciliaris (L.) Lindl. -- accepted -- yellow fringed orchid
  Platanthera clavellata (Michx.) Luer -- not accepted -- green woodland orchid, small green wood orchid
  Platanthera conspicua (Nash) P.M. Br. -- not accepted -- white fringed orchid
  Platanthera convallariifolia Fisch. ex Lindl. -- accepted
  Platanthera convallariifolia var. dilatatoides Hultén -- not accepted
  Platanthera cooperi (S. Watson) R.M. Bateman -- accepted
  Platanthera cristata (Michx.) Lindl. -- accepted -- crested yellow orchid
  Platanthera dilatata (Pursh) Lindl. ex L.C. Beck -- accepted -- boreal bog orchid, scentbottle, white bog orchid
  Platanthera dilatata var. albiflora (Cham.) Ledeb. -- accepted -- scentbottle
  Platanthera dilatata var. angustifolia Hook. -- not accepted
  Platanthera dilatata var. chlorantha Hultén -- not accepted
  Platanthera dilatata var. dilatata (Pursh) Lindl. ex L.C. Beck -- accepted -- scentbottle
  Platanthera dilatata var. gracilis Ledeb. -- not accepted
  Platanthera dilatata var. leucostachys (Lindl.) Luer -- accepted -- Sierra bog orchid
  Platanthera flava (L.) Lindl. -- accepted -- palegreen orchid, platanthčre ŕ gorge tuberculée variété petite-herbe, southern rein orchid
  Platanthera flava var. flava (L.) Lindl. -- accepted -- palegreen orchid
  Platanthera flava var. herbiola (R. Br.) Luer -- accepted -- palegreen orchid
  Platanthera gracilis Lindl. -- not accepted -- lax-flowered green orchid
  Platanthera grandiflora (Bigelow) Lindl. -- accepted -- greater purple fringed orchid
  Platanthera holochila (Hillebr.) Kraenzl. -- accepted -- Hawai'i bog orchid
  Platanthera hookeri (Torr. ex A. Gray) Lindl. -- accepted -- Hooker's orchid
  Platanthera huronensis (Nutt.) Lindl. -- accepted -- Huron green orchid
  Platanthera hyperborea (L.) Lindl. -- accepted -- northern bog orchid, northern green orchid
  Platanthera hyperborea var. gracilis (Lindl.) Luer -- not accepted -- lax-flowered green orchid, northern green orchid
  Platanthera hyperborea var. huronensis (Nutt.) Luer -- not accepted -- Huron green orchid
  Platanthera hyperborea var. hyperborea (L.) Lindl. -- not accepted -- northern green orchid
  Platanthera hyperborea var. major Lange -- not accepted
  Platanthera hyperborea var. minor Lange -- not accepted
  Platanthera hyperborea var. purpurascens (Rydb.) Luer -- not accepted
  Platanthera hyperborea var. viridiflora (Cham.) Luer -- not accepted -- tall Alaskan green orchid
  Platanthera integra (Nutt.) A. Gray ex L.C. Beck -- not accepted -- yellow fringeless orchid
  Platanthera integrilabia (Correll) Luer -- accepted -- monkeyface, white fringeless orchid
  Platanthera lacera (Michx.) G. Don -- accepted -- green fringed orchid
  Platanthera lacera var. lacera (Michx.) G. Don -- not accepted -- green fringed orchid
  Platanthera lacera var. terrae-novae (Fernald) Luer -- not accepted -- green fringed orchid
  Platanthera leucophaea (Nutt.) Lindl. -- accepted -- eastern prairie fringed orchid, prairie white fringed orchid
  Platanthera leucostachys Lindl. -- not accepted -- bog orchid, Sierra bog orchid
  Platanthera limosa Lindl. -- accepted -- Platanthera limosa, Thurber's bog orchid
  Platanthera macrophylla (Goldie) P.M. Br. -- accepted -- greater roundleaved orchid
  Platanthera nivea (Nutt.) Luer -- not accepted -- snowy orchid
  Platanthera obtusata (Banks ex Pursh) Lindl. -- accepted -- bluntleaved orchid, northern small bog orchid
  Platanthera obtusata ssp. obtusata (Banks ex Pursh) Lindl. -- accepted -- bluntleaved orchid
  Platanthera obtusata ssp. oligantha (Turcz.) Hultén -- accepted
  Platanthera oligantha Turcz. -- not accepted
  Platanthera orbiculata (Pursh) Lindl. -- accepted -- lesser roundleaved orchid
  Platanthera orbiculata var. macrophylla (Goldie) Luer -- not accepted -- large round-leaved orchid, large roundleaved orchid, platanthčre orbiculaire variété ŕ grandes feuilles
  Platanthera orbiculata var. orbiculata (Pursh) Lindl. -- not accepted -- large roundleaved orchid
  Platanthera pallida P.M. Br. -- not accepted
  Platanthera peramoena (A. Gray) A. Gray -- accepted -- purple fringeless orchid
  Platanthera praeclara Sheviak & M.L. Bowles -- accepted -- Great Plains white fringed orchid, western prairie fringed orchid
  Platanthera psychodes (L.) Lindl. -- not accepted
  Platanthera psycodes (L.) Lindl. -- accepted -- lesser purple fringed orchid
  Platanthera purpurascens (Rydb.) Sheviak & W.F. Jenn. -- accepted -- purple-petal bog orchid
  Platanthera repens (Nutt.) Alph. Wood -- not accepted
  Platanthera saccata (Greene) Hultén -- not accepted
  Platanthera sparsiflora (S. Watson) Schltr. -- accepted -- canyon bog orchid, Platanthera de pocas flores, sparse-flowered bog orchid
  Platanthera sparsiflora var. brevifolia (Greene) Luer -- not accepted
  Platanthera sparsiflora var. ensifolia (Rydb.) Luer -- not accepted -- canyon bog orchid, sparse-flowered bog orchid
  Platanthera sparsiflora var. sparsiflora (S. Watson) Schltr. -- not accepted -- canyon bog orchid, sparse-flowered bog orchid
  Platanthera stricta Lindl. -- accepted -- Modoc bog orchid, slender bog orchid
  Platanthera tescamnis Sheviak & W.F. Jenn. -- accepted
  Platanthera tipuloides (L. f.) Lindl. -- accepted -- Aleutian bog orchid
  Platanthera tipuloides var. behringiana (Rydb.) Hultén -- accepted -- Aleutian bog orchid
  Platanthera unalascensis (Spreng.) Kurtz -- accepted
  Platanthera unalascensis ssp. elata (Jeps.) Roy L. Taylor & MacBryde -- not accepted
  Platanthera unalascensis ssp. maritima (Greene) DeFilipps -- not accepted -- Alaska rein orchid
  Platanthera unalascensis var. maritima (Greene) Correll -- not accepted
  Platanthera X andrewsii (M. White) Luer -- accepted -- Andrew's bog orchid
  Platanthera X bicolor (Raf.) Luer (pro. sp.) -- accepted -- bicolor bog orchid
  Platanthera X canbyi (Ames) Luer -- accepted -- Canby's bog orchid
  Platanthera X channellii Folsom -- accepted -- Channell's bog orchid
  Platanthera X hollandiae Catling & Brownell -- accepted
  Platanthera X keenanii P.M. Br. -- accepted
  Platanthera X media (Rydb.) Luer (pro. sp.) -- not accepted -- bog orchid
  Platanthera X reznicekii Catling, Brownell & G. Allen -- accepted
  Platanthera X vossii Case -- accepted -- Voss' bog orchid
  Platanthera yosemitensis Colwell, Sheviak & P.E. Moore -- accepted -- Yosemite bog orchid
  Platanthera zothecina (L.C. Higgins & S.L. Welsh) Kartesz & Gandhi -- accepted -- alcove bog orchid
  Platypus altus (L.) Small -- not accepted
  Platythelys Garay -- accepted
  Platythelys querceticola (Lindl.) Garay -- accepted -- jug orchid
  Platythelys sagreana (A. Rich.) Garay -- not accepted -- Caribbean jug orchid
  Pleurothallis R. Br. -- accepted -- bonnet orchid
  Pleurothallis appendiculata Cogn. -- accepted -- hand bonnet orchid
  Pleurothallis aristata Hook. -- accepted -- forest bonnet orchid
  Pleurothallis coriacea Bello -- not accepted
  Pleurothallis crassipes sensu Britton & P. Wilson, non Lindl. -- not accepted
  Pleurothallis domingensis Cogn. -- accepted -- Guadeloupe bonnet orchid
  Pleurothallis foliata Griseb. -- not accepted -- Colombian bonnet orchid
  Pleurothallis gelida Lindl. -- accepted -- flor de llanten, Pleurothallis de hielo
  Pleurothallis ghiesbreghtiana A. Rich. & Galeotti -- not accepted -- ladies' bonnet orchid
  Pleurothallis longissima Lindl. -- not accepted
  Pleurothallis obovata (Lindl.) Lindl. -- accepted -- South American bonnet orchid
  Pleurothallis pachyrachis A. Rich. -- not accepted
  Pleurothallis pachyrrachis A. Rich. -- not accepted
  Pleurothallis pruinosa Lindl. -- accepted -- waxy bonnet orchid
  Pleurothallis pubescens Lindl. -- accepted -- hairy bonnet orchid, Pleurothallis pelosa
  Pleurothallis quadrifida (La Llave & Lex.) Lindl. -- accepted
  Pleurothallis racemiflora Lindl. ex Hook. -- accepted -- ladies' bonnet orchid, Pleurothallis fragante
  Pleurothallis ruscifolia (Jacq.) R. Br. -- accepted -- green bonnet orchid
  Pleurothallis tricostata Cogn. -- accepted -- ribbed bonnet orchid
  Pleurothallis urbaniana Rchb. f. -- not accepted
  Pleurothallis wilsonii Lindl. -- not accepted -- Wilson's bonnet orchid
  Pogonia Juss. -- accepted
  Pogonia bifaria (Fernald) P.M. Br. & Wunderlin -- not accepted
  Pogonia divaricata (L.) R. Br. -- not accepted
  Pogonia macrophylla Lindl. -- not accepted
  Pogonia ophioglossoides (L.) Ker Gawl. -- accepted -- snake-mouth orchid, snakemouth orchid
  Pogonia ophioglossoides var. brachypogon Fernald -- not accepted
  Polyradicion Garay -- not accepted
  Polyradicion lindenii (Lindl.) Garay -- not accepted -- palmpolly
  Polyrrhiza Pfitzer -- not accepted
  Polyrrhiza lindenii (Lindl.) Cogn. -- not accepted
  Polystachya Hook. -- accepted -- yellowspike orchid
  Polystachya cerea Lindl. -- not accepted -- Polystachya de cera
  Polystachya concreta (Jacq.) Garay & H.R. Sweet -- accepted -- greater yellowspike orchid
  Polystachya extinctoria Rchb. f. -- not accepted
  Polystachya flavescens (Lindl.) J.J. Sm. -- not accepted
  Polystachya foliosa (Hook.) Rchb. f. -- accepted -- lesser yellowspike orchid
  Polystachya luteola (Sw.) Hook. -- not accepted
  Polystachya minor Fawc. & Rendle -- not accepted
  Polystachya minuta (Aubl.) Britton -- not accepted
  Ponthieva R. Br. -- accepted -- shadow witch
  Ponthieva brittoniae Ames -- accepted -- Britton's shadow witch
  Ponthieva racemosa (Walter) C. Mohr -- accepted -- hairy shadow witch, Ponthieva racemosa
  Ponthieva racemosa var. brittoniae (Ames) Luer -- not accepted
  Ponthieva ventricosa (Griseb.) Fawc. & Rendle -- accepted -- smooth shadow witch
  Prescotia Lindl. -- not accepted -- Prescott orchid
  Prescotia oligantha (Sw.) Lindl. -- not accepted -- small Prescott orchid
  Prescotia pellucida Lindl. -- not accepted
  Prescotia stachyodes (Sw.) Lindl. -- not accepted
  Prescotia stachyoides (Sw.) Lindl. -- not accepted
  Prescottia Lindl. -- accepted -- Prescott orchid
  Prescottia oligantha (Sw.) Lindl. -- accepted -- small Prescott orchid
  Prescottia pellucida Lindl. -- not accepted -- Cuban Prescott orchid
  Prescottia stachyodes (Sw.) Lindl. -- accepted -- mountain Prescott orchid
  Prescottia stachyoides (Sw.) Lindl. -- not accepted
  Prosthechea Knowles & Westc. -- accepted
  Prosthechea boothiana (Lindl.) W.E. Higgins -- accepted -- dollar orchid
  Prosthechea boothiana var. erythronioides (Small) W.E. Higgins -- accepted -- dollar orchid
  Prosthechea cochleata (L.) W.E. Higgins -- accepted -- clamshell orchid
  Prosthechea cochleata var. cochleata (L.) W.E. Higgins -- accepted -- clamshell orchid
  Prosthechea cochleata var. triandra (Ames) W.E. Higgins -- accepted
  Prosthechea pygmaea (Hook.) W.E. Higgins -- accepted -- dwarf butterfly orchid
  Pseudorchis Ség. -- accepted -- bog orchid
  Pseudorchis albida (L.) Á. Löve & D. Löve -- accepted
  Pseudorchis albida ssp. albida (L.) Á. Löve & D. Löve -- accepted
  Pseudorchis albida ssp. straminea (Fernald) Á. Löve & D. Löve -- accepted -- vanilla-scented bog orchid
  Pseudorchis straminea (Fernald) Soják -- not accepted -- vanilla-scented bog orchid
  Psilochilus Barb. Rodr. -- accepted
  Psilochilus macrophyllus (Lindl.) Ames -- accepted -- Psilochilus de hoja grande, raggedlip orchid
  Psychilis Raf. -- accepted -- peacock orchid
  Psychilis kraenzlinii (Bello) Sauleda -- accepted -- Kraenzlin's peacock orchid
  Psychilis krugii (Bello) Sauleda -- accepted -- Krug's peacock orchid
  Psychilis macconnelliae Sauleda -- accepted -- island peacock orchid
  Psychilis monensis Sauleda -- accepted -- royal peacock orchid
  Psychilis X raganii Sauleda -- accepted -- Ragan's peacock orchid
  Psychopsis Raf. -- accepted -- butterfly orchid
  Psychopsis papilio (Lindl.) H.G. Jones -- accepted -- butterfly orchid
  Pteroglossaspis Rchb. f. -- accepted
  Pteroglossaspis ecristata (Fernald) Rolfe -- accepted -- eulophia, giant orchid
  Renanthera Lour. -- accepted
  Renanthera monachica Ames -- accepted
  Restrepiella Garay & Dunst. -- accepted
  Restrepiella ophiocephala (Lindl.) Garay & Dunst. -- accepted -- snake orchid
  Sacoila Raf. -- accepted
  Sacoila lanceolata (Aubl.) Garay -- accepted
  Sacoila lanceolata var. lanceolata (Aubl.) Garay -- accepted -- leafless beaked lady orchid
  Sacoila lanceolata var. luteoalba (Rchb. f.) Sauleda, Wunderlin & B.F. Hansen -- not accepted
  Sacoila lanceolata var. paludicola (Luer) Sauleda, Wunderlin & B.F. Hansen -- accepted
  Sacoila squamulosa (Kunth) Garay -- accepted
  Scaphyglottis Poepp. & Endl. -- accepted
  Scaphyglottis modesta (Rchb. f.) Schltr. -- accepted -- Malaysian orchid
  Schiedeella Schltr. -- accepted
  Schiedeella arizonica P.M. Br. -- accepted -- parasitic lady's tresses
  Schiedeella parasitica (A. Rich. & Galeotti) Schltr. -- accepted
  Serapias atrorubens Hoffm. -- not accepted
  Serapias helleborine L. -- not accepted
  Sobralia Ruiz & Pav. -- accepted
  Sobralia macrantha Lindl. -- accepted
  Spathiger Small -- not accepted
  Spathiger ramosus (Jacq.) Britton -- not accepted
  Spathiger rigidus (Jacq.) Small -- not accepted
  Spathiger strobiliferus (Rchb. f.) Small -- not accepted
  Spathoglottis Blume -- accepted -- ground orchid
  Spathoglottis carolinensis Schltr. -- accepted
  Spathoglottis elmeri Ames -- accepted -- Elmer's ground orchid
  Spathoglottis micronesiaca Schltr. -- accepted
  Spathoglottis plicata Blume -- accepted -- Philippine ground orchid
  Spiranthes Rich. -- accepted -- ladies tresses, ladies'-tresses, lady's tresses
  Spiranthes adnata (Sw.) Benth. ex Fawc. -- not accepted -- hachuela
  Spiranthes amabilis Ames -- not accepted
  Spiranthes amesiana Schltr. -- not accepted -- Ames' lady's tresses
  Spiranthes beckii Lindl. -- not accepted
  Spiranthes bicolor (Ker Gawl.) Lindl. -- not accepted
  Spiranthes brevilabris Lindl. -- accepted -- Texas ladies'-tresses, Texas ladiestresses, Texas lady's tresses
  Spiranthes brevilabris var. brevilabris Lindl. -- not accepted -- Texas ladies'-tresses, Texas ladiestresses, Texas lady's tresses
  Spiranthes brevilabris var. floridana (Wherry) Luer -- not accepted -- Florida ladies'-tresses, Florida ladiestresses, Florida lady's tresses
  Spiranthes casei Catling & Cruise -- accepted -- Case's ladies'-tresses, Case's lady's tresses, spiranthe de Case
  Spiranthes casei var. casei Catling & Cruise -- accepted -- Case's ladiestresses, Case's lady's tresses
  Spiranthes casei var. novaescotiae Catling -- accepted -- Nova Scotia ladiestresses
  Spiranthes cernua (L.) Rich. -- accepted -- common ladies' tresses, nodding ladies'-tresses, nodding ladiestresses, nodding lady's tresses, white nodding ladies'-tresses
  Spiranthes cernua var. cernua (L.) Rich. -- not accepted
  Spiranthes cernua var. incurva (Jenn.) -- not accepted
  Spiranthes cernua var. ochroleuca (Rydb.) Ames -- not accepted
  Spiranthes cernua var. odorata (Nutt.) Correll -- not accepted
  Spiranthes cinnabarina (La Llave & Lex.) Hemsl. -- not accepted -- scarlet ladies'-tresses, scarlet ladiestresses, scarlet lady's tresses
  Spiranthes confusa (Garay) Kartesz & Gandhi -- not accepted -- confused ladies'-tresses, confused ladiestresses, confusing lady's tresses
  Spiranthes costaricensis Rchb. f. -- not accepted -- Costa Rican ladies'-tresses, Costa Rican lady's tresses
  Spiranthes cranichoides (Griseb.) Cogn. -- not accepted -- Cranichis ladiestresses
  Spiranthes delitescens Sheviak -- accepted -- Canelo Hills ladies'-tresses, delightful ladiestresses, reclusive lady's tresses
  Spiranthes diluvialis Sheviak -- accepted -- diluvium ladies'-tresses, Ute ladies' tresses, Ute ladies'-tresses, Ute lady's tresses
  Spiranthes durangensis Ames & C. Schweinf. -- not accepted
  Spiranthes eatonii Ames ex P.M. Br. -- accepted -- Eaton's lady's tresses
  Spiranthes elata (Sw.) Rich. -- not accepted -- tall ladiestresses
  Spiranthes fawcettii Cogn. -- not accepted
  Spiranthes floridana (Wherry) Cory -- accepted -- Florida lady's tresses
  Spiranthes gracilis (Bigelow) Beck -- not accepted
  Spiranthes gracilis var. brevilabris (Lindl.) Correll -- not accepted
  Spiranthes gracilis var. floridana (Wherry) Correll -- not accepted
  Spiranthes graminea Lindl. -- accepted -- Canelo ladies'-tresses, Canelo lady's tresses, Spiranthes graminea
  Spiranthes grayi Ames -- not accepted
  Spiranthes infernalis Sheviak -- accepted -- Ash Meadows ladies'-tresses, Ash Meadows lady's tresses
  Spiranthes lacera (Raf.) Raf. -- accepted -- northern slender ladies'-tresses, northern slender lady's tresses, slender ladiestresses
  Spiranthes lacera var. gracilis (Bigelow) Luer -- accepted -- northern slender ladies'-tresses, northern slender ladiestresses, northern slender lady's tresses
  Spiranthes lacera var. lacera (Raf.) Raf. -- accepted -- northern slender ladies'-tresses, northern slender lady's tresses
  Spiranthes laciniata (Small) Ames -- accepted -- lacelip ladies'-tresses, lacelip ladiestresses, lacelip lady's tresses
  Spiranthes lanceolata (Aubl.) Léon -- not accepted -- leafless beaked ladiestresses
  Spiranthes lanceolata var. lanceolata (Aubl.) Léon -- not accepted -- leafless beaked ladiestresses
  Spiranthes lanceolata var. luteoalba (Rchb. f.) Luer -- not accepted -- leafless beaked ladiestresses
  Spiranthes lanceolata var. paludicola Luer -- not accepted -- leafless beaked ladiestresses
  Spiranthes lineata Lindl. -- not accepted -- tropical ladiestresses
  Spiranthes longilabris Lindl. -- accepted -- giantspiral ladies'-tresses, giantspiral ladiestresses, giantspiral lady's tresses
  Spiranthes lucayana (Britton) Cogn. -- not accepted -- green ladiestresses
  Spiranthes lucida (H.H. Eaton) Ames -- accepted -- shining ladies'-tresses, shining lady's tresses, spiranthe lustrée
  Spiranthes magnicamporum Sheviak -- accepted -- Great Plains ladies'-tresses, Great Plains ladiestresses, Great Plains lady's tresses
  Spiranthes michuacana (La Llave & Lex.) Hemsl. -- not accepted -- Michuacan ladiestresses
  Spiranthes ochroleuca (Rydb.) Rydb. -- accepted -- yellow nodding ladies'-tresses, yellow nodding lady's tresses
  Spiranthes odorata (Nutt.) Lindl. -- accepted -- marsh ladies'-tresses, marsh ladiestresses, marsh lady's tresses
  Spiranthes orchioides (Sw.) A. Rich. -- not accepted
  Spiranthes ovalis Lindl. -- accepted -- October ladies'-tresses, October ladiestresses, October lady's tresses
  Spiranthes ovalis var. erostellata Catling -- accepted -- October ladies'-tresses, October lady's tresses
  Spiranthes ovalis var. ovalis Lindl. -- accepted -- October ladies'-tresses, October lady's tresses
  Spiranthes parasitica A. Rich. & Galeotti -- not accepted -- parasitic ladies'-tresses, parasitic ladiestresses, parasitic lady's tresses
  Spiranthes parksii Correll -- accepted -- Navasota ladies'-tresses, Navasota lady's tresses
  Spiranthes polyantha Rchb. f. -- not accepted
  Spiranthes porrifolia Lindl. -- accepted -- creamy ladies'-tresses, creamy lady's tresses, western lady's tresses
  Spiranthes praecox (Walter) S. Watson -- accepted -- greenvein ladies'-tresses, greenvein ladiestresses, greenvein lady's tresses
  Spiranthes romanzoffiana Cham. -- accepted -- hooded ladies'-tresses, hooded ladiestresses, hooded lady's tresses
  Spiranthes romanzoffiana var. diluvialis (Sheviak) S.L. Welsh -- not accepted
  Spiranthes romanzoffiana var. porrifolia (Lindl.) Ames & Correll -- not accepted
  Spiranthes sinensis (Pers.) Ames -- not accepted
  Spiranthes speciosa (Jacq.) A. Rich. -- not accepted -- Latin American ladiestresses
  Spiranthes stricta (Rydb.) A. Nelson -- not accepted
  Spiranthes sylvatica P.M. Br. -- accepted -- woodland lady's tresses
  Spiranthes torta (Thunb.) Garay & H.R. Sweet -- accepted -- southern ladies'-tresses, southern lady's tresses, Spiranthes torcida
  Spiranthes tortilis (Sw.) Rich. -- not accepted
  Spiranthes tuberosa Raf. -- accepted -- little ladies'-tresses, little ladiestresses, little lady's tresses
  Spiranthes tuberosa var. grayi (Ames) Fernald -- not accepted
  Spiranthes unalascensis Spreng. -- not accepted
  Spiranthes vernalis Engelm. & A. Gray -- accepted -- spring ladies'-tresses, spring lady's tresses, upland ladiestresses
  Spiranthes X borealis P.M. Br. -- accepted
  Spiranthes X folsomii P.M. Br. -- accepted
  Spiranthes X intermedia Ames -- accepted -- intermediate ladiestresses
  Spiranthes X intermedia auct. non Ames -- not accepted
  Spiranthes X itchetuckneensis P.M. Br. -- accepted
  Spiranthes X meridionalis P.M. Br. -- accepted
  Spiranthes X simpsonii Catling & Sheviak -- accepted
  Spiranthes X steigeri Correll -- not accepted
  Stanhopea Frost ex Hook. -- accepted
  Stelis Sw. -- accepted -- leach orchid
  Stelis perpusilliflora Cogn. -- accepted -- West Indian leach orchid
  Stelis pygmaea Cogn. -- accepted -- pygmy leach orchid
  Stenorrhynchos Rich. ex Spreng. -- accepted -- ladies'-tresses, lady orchid
  Stenorrhynchos lanceolatum (Aubl.) Rich. -- not accepted -- Cutzis de espolón, leafless beaked ladies'-tresses, leafless beaked lady orchid
  Stenorrhynchos lanceolatum var. lanceolatum (Aubl.) Rich. -- not accepted -- leafless beaked ladies'-tresses, leafless beaked lady orchid
  Stenorrhynchos lanceolatum var. paludicola (Luer) W.J. Schrenk -- not accepted -- leafless beaked ladies'-tresses, leafless beaked lady orchid
  Stenorrhynchos michuacanum (La Llave & Lex.) Lindl. -- accepted -- Michuacan lady orchid
  Stenorrhynchos michuacanus (La Llave & Lex.) Lindl. -- not accepted -- Michuacan ladies'-tresses, Michuacan lady orchid
  Stenorrhynchos orchioides (Sw.) Rich. -- not accepted
  Stenorrhynchos speciosum (Jacq.) Rich. ex Spreng. -- accepted -- Latin American ladies'-tresses, Latin American lady orchid
  Stenorrhynchos speciosus (Jacq.) Rich. ex Spreng. -- not accepted
  Stenorrhynchos squamulosum (Kunth) Spreng. -- not accepted
  Tetragamestus modestus Rchb. f. -- not accepted
  Tetramicra Lindl. -- accepted -- wallflower orchid
  Tetramicra canaliculata (Aubl.) Urb. -- accepted -- serpentine wallflower orchid
  Tetramicra elegans (Ham.) Cogn. -- not accepted -- elegant wallflower orchid
  Tipularia Nutt. -- accepted
  Tipularia discolor (Pursh) Nutt. -- accepted -- crippled cranefly
  Tipularia unifolia Britton, Sterns & Poggenb. -- not accepted
  Tolumnia Braem -- accepted -- dancing-lady orchid
  Tolumnia bahamensis (Nash ex Britton & Millsp.) Braem -- accepted -- variegated orchid
  Tolumnia leiboldii auct. non (Rchb. f.) Braem -- not accepted
  Tolumnia prionochila (Kraenzl.) Braem -- accepted -- tropical dancing-lady orchid
  Tolumnia variegata (Sw.) Braem -- accepted -- harlequin dancing-lady orchid
  Trichocentrum Poepp. & Endl. -- accepted
  Trichocentrum maculatum (Aubl.) M.W. Chase -- not accepted -- Cape Sable orchid
  Trichocentrum undulatum (Sw.) Ackerman & M.W. Chase -- accepted -- Cape Sable orchid
  Trichosalpinx Luer -- accepted -- bonnet orchid
  Trichosalpinx dura (Lindl.) Luer -- accepted -- Colombian bonnet orchid
  Triorchos ecristata (Fernald) Small -- not accepted
  Triphora Nutt. -- accepted -- noddingcaps
  Triphora amazonica Schltr. -- accepted -- broadleaf noddingcaps
  Triphora craigheadii Luer -- accepted -- Craighead's nodding-caps
  Triphora cubensis (Rchb. f.) Ames -- not accepted
  Triphora gentianoides (Sw.) Ames & Schltr. -- accepted -- gentian noddingcaps
  Triphora hassleriana (Cogn.) Schltr. -- accepted -- Hassler's noddingcaps
  Triphora latifolia G.M. Luer -- not accepted -- broadleaf noddingcaps
  Triphora rickettii Luer -- not accepted -- Yucatan noddingcaps
  Triphora surinamensis (Lindl.) Britton -- accepted -- Hernando County noddingcaps
  Triphora trianthophora (Sw.) Rydb. -- not accepted -- three birds orchid, threebirds
  Triphora trianthophora var. schaffneri Camp -- not accepted
  Triphora trianthophora var. texensis P.M. Br. & Rich. B. Pike -- not accepted -- Pike's threebirds, Texas threebirds
  Triphora trianthophora var. trianthophora (Sw.) Rydb. -- not accepted -- threebirds
  Triphora yucatanensis Ames -- accepted -- Yucatan noddingcaps
  Tropidia Lindl. -- accepted
  Tropidia polystachya (Sw.) Ames -- accepted -- Tropidia ramosa, young palm orchid
  Vanda Jones ex R. Br. -- accepted
  Vanda coerulea Griff. ex Lindl. -- accepted -- blue orchid
  Vanda tricolor Hook. -- not accepted
  Vanilla Mill. -- accepted -- vanilla
  Vanilla articulata Northr. -- not accepted
  Vanilla barbellata Rchb. f. -- accepted -- wormvine orchid
  Vanilla claviculata (W. Wright) Sw. -- accepted -- green withe
  Vanilla dilloniana Correll -- accepted -- leafless vanilla
  Vanilla eggersii auct. non Rolfe -- not accepted
  Vanilla fragrans (Salisb.) Ames -- not accepted
  Vanilla inodora Schiede -- not accepted -- scentless vanilla
  Vanilla mexicana Mill. -- accepted -- Mexican vanilla, Vainilla mexicana
  Vanilla phaeantha Rchb. f. -- accepted -- leafy vanilla
  Vanilla planifolia Jacks. ex Andrews -- accepted -- Vainilla tlilxóchil, vanilla
  Vanilla poitaei Rchb. f. -- accepted -- Poit's vanilla
  Vanilla pompona Schiede -- accepted -- Vainilla grande, West Indian vanilla
  Vanilla vanilla (L.) Britton -- not accepted
  Warscewiczella flabelliformis (Sw.) Cogn. -- not accepted
  Wullschlaegelia Rchb. f. -- accepted
  Wullschlaegelia aphylla (Sw.) Rchb. f. -- accepted -- leafless orchid, Orquídea áfila
  X Platanthopsis P.M. Br. -- not accepted
  X Platanthopsis vossii (Case) P.M. Br. -- not accepted
  Xylobium Lindl. -- accepted
  Xylobium palmifolium (Sw.) Benth. -- not accepted -- goatmouth orchid
  Zeuxine Lindl. -- accepted
  Zeuxine fritzii Schltr. -- accepted
  Zeuxine strateumatica (L.) Schltr. -- accepted -- soldier's orchid
   

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