Taxon Search
  Plantae
      Magnoliophyta
             [Angiospermae]
         Monocots
                    Asparagales
                            Orchidaceae
                                    Aa
                                    Acacallis
                                    Aceras
                                            Aceras anthropophora
                                    Acianthera
                                    Acineta
                                    Ackermania
                                    Acostaea
                                    Acrorchis
                                    Ada
                                    Aeranthes
                                    Alamania
                                            Alamania punicea
                                    Altensteinia
                                    Amerorchis
                                            Amerorchis rotundifolia
                                    Amparoa
                                    Amphiglottis
                                            Amphiglottis anceps
                                            Amphiglottis conopsea
                                            Amphiglottis lacera
                                            Amphiglottis nocturna
                                            Amphiglottis pallidiflora
                                            Amphiglottis secunda
                                    Anacamptis
                                            Anacamptis pyramidalis
                                    Anacheilium
                                            Anacheilium cochleatum
                                              Anacheilium cochleatum var. triandrum
                                    Anathallis
                                    Ancipitia
                                    Anguloa
                                    Anoectochilus
                                            Anoectochilus apiculatus
                                            Anoectochilus sandvicensis
                                    Anthosiphon
                                    Aplectrum
                                            Aplectrum hyemale
                                    Apoda-prorepentia
                                    Arethusa
                                            Arethusa bulbosa
                                            Arethusa racemosa
                                    Arpophyllum
                                            Arpophyllum giganteum
                                              Arpophyllum giganteum subsp. giganteum
                                                     [Arpophyllum jamaicense]
                                            Arpophyllum spicatum
                                    Arundina
                                            Arundina bambusifolia
                                            Arundina graminifolia
                                    Aspasia
                                    Aspidogyne
                                    Auliza
                                            Auliza ciliaris
                                    Barbosella
                                            Barbosella prorepens
                                                   [Barbosella dussii]
                                                   [Barbosella monstrabilis]
                                    Barkeria
                                            Barkeria barkeriola
                                            Barkeria halbingeri
                                            Barkeria lindleyana
                                            Barkeria palmeri
                                    Basiphyllaea
                                            Basiphyllaea angustifolia
                                            Basiphyllaea carabiaiana
                                                   [Bletia carabiaiana]
                                            Basiphyllaea corallicola
                                            Basiphyllaea sarcophylla
                                                   [Bletia sarcophylla]
                                    Baskervilla
                                    Batemania
                                    Batemannia
                                    Beadlea
                                            Beadlea bicolor
                                            Beadlea cranichoides
                                            Beadlea elata
                                    Beloglottis
                                            Beloglottis costaricensis
                                            Beloglottis mexicana
                                    Benthamia
                                            Benthamia lycopsoides
                                    Benzingia
                                    Bifrenaria
                                    Blephariglotis
                                            Blephariglotis blephariglottis
                                            Blephariglotis chapmanii
                                            Blephariglotis ciliaris
                                            Blephariglotis conspicua
                                            Blephariglotis cristata
                                            Blephariglotis grandiflora
                                            Blephariglotis lacera
                                            Blephariglotis leucophaea
                                            Blephariglotis peramoena
                                            Blephariglotis psycodes
                                    Bletia
                                            Bletia amabilis
                                            Bletia antillana
                                            Bletia campanulata
                                            Bletia coccinea
                                            Bletia ensifolia
                                            Bletia florida
                                            Bletia gracilis
                                              Bletia gracilis var. roezlii
                                            Bletia macristhmochila
                                            Bletia patula
                                              Bletia patula var. alba
                                              Bletia patula var. patula
                                            Bletia purpurea
                                            Bletia reflexa
                                            Bletia roezlii
                                            Bletia rosea
                                    Bletilla
                                            Bletilla striata
                                    Bolbophyllaria
                                            Bolbophyllaria pachyrachis
                                    Bollea
                                    Brachionidium
                                            Brachionidium ciliolatum
                                            Brachionidium distichophylla
                                            Brachionidium parvum
                                                   [Brachionidium dussii]
                                            Brachionidium sherringii
                                            Brachionidium syme-morrisii
                                    Brachtia
                                    Brachystele
                                    Braemia
                                    Brassavola
                                            Brassavola cucullata
                                                   [Epidendrum cucullatum]
                                            Brassavola nodosa
                                            Brassavola subulifolia
                                    Brassia
                                            Brassia caudata
                                            Brassia gireoudiana
                                            Brassia maculata
                                            Brassia verrucosa
                                    Brenesia
                                    Broughtonia
                                            Broughtonia domingensis
                                            Broughtonia jamaicensis
                                            Broughtonia lindenii
                                            Broughtonia ortgiesiana
                                            Broughtonia sanguinea
                                    Buchtienia
                                    Buesiella
                                    Bulbophyllum
                                            Bulbophyllum aristatum
                                            Bulbophyllum jamaicense
                                            Bulbophyllum pachyrachis
                                    Caelogyne
                                    Calanthe
                                            Calanthe calanthoides
                                            Calanthe hololeuca
                                            Calanthe triplicata
                                    Calopogon
                                            Calopogon barbatus
                                            Calopogon multiflorus
                                            Calopogon oklahomensis
                                            Calopogon pallidus
                                            Calopogon pulchellus
                                              Calopogon pulchellus var. latifolius
                                              Calopogon pulchellus var. simpsonii
                                            Calopogon tuberosus
                                              Calopogon tuberosus var. latifolius
                                              Calopogon tuberosus var. simpsonii
                                              Calopogon tuberosus var. tuberosus
                                    Caluera
                                    Calypso
                                            Calypso bulbosa
                                              Calypso bulbosa ssp. occidentalis
                                              Calypso bulbosa var. americana
                                                     [Cytherea bulbosa]
                                              Calypso bulbosa var. occidentalis
                                    Camaridium
                                            Camaridium pulchrum
                                    Campylocentrum
                                            Campylocentrum fasciola
                                            Campylocentrum fasciolum
                                            Campylocentrum filiforme
                                            Campylocentrum jamaicense
                                            Campylocentrum micranthum
                                            Campylocentrum monteverde
                                            Campylocentrum pachyrrhizum
                                            Campylocentrum poeppigii
                                            Campylocentrum pygmaeum
                                            Campylocentrum schiedei
                                                   [Campylocentrum minus]
                                            Campylocentrum sullivanii
                                    Carteria
                                            Carteria corallicola
                                    Catasetum
                                            Catasetum maculatum
                                    Cattleya
                                            Cattleya forbesii
                                            Cattleya gaskelliana
                                            Cattleya labiata
                                    Caucaea
                                    Caularthron
                                            Caularthron bicornutum
                                    Centrogenium
                                            Centrogenium setaceum
                                    Centropetalum
                                    Cephalanthera
                                            Cephalanthera austiniae
                                            Cephalanthera damasonium
                                            Cephalanthera oregana
                                            Cephalanthera rubra
                                    Chaubardia
                                    Chaubardiella
                                    Chelyorchis
                                    Chloraea
                                    Chondrorhyncha
                                    Chondroscaphe
                                    Chrysocycnis
                                    Chysis
                                    Cischweinfia
                                    Cleistes
                                           [Calderonia]
                                    Cleistesiopsis
                                            Cleistesiopsis bifaria
                                                   [Cleistes bifaria]
                                                   [Cleistes divaricata var. bifaria]
                                                   [Pogonia bifaria]
                                            Cleistesiopsis divaricata
                                                   [Arethusa divaricata]
                                                   [Cleistes divaricata f. leucantha]
                                                   [Cleistes divaricata]
                                                   [Cleistesiopsis divaricata f. leucantha]
                                                   [Pogonia divaricata]
                                            Cleistesiopsis oricamporum
                                    Clowesia
                                    Coccineorchis
                                    Cochleanthes
                                           [Caraguata]
                                            Cochleanthes flabelliformis
                                    Cochlioda
                                    Cocleorchis
                                    Codonorchis
                                            Codonorchis lessonii
                                    Coelia
                                    Coeliopsis
                                    Coeloglossum
                                            Coeloglossum viride
                                              Coeloglossum viride var. virescens
                                                     [Coeloglossum bracteatum]
                                                     [Coeloglossum viride ssp. bracteatum]
                                                     [Habenaria bracteata]
                                                     [Habenaria viridis var. bracteata]
                                    Coelogyne
                                            Coelogyne elmeri
                                    Cohniella
                                            Cohniella ascendens
                                                   [Oncidium ascendens]
                                            Cohniella biorbicularis
                                            Cohniella brachyphylla
                                                   [Oncidium brachyphyllum]
                                            Cohniella cebolleta
                                                   [Oncidium cebolleta]
                                            Cohniella leptotifolia
                                            Cohniella longifolia
                                            Cohniella pendula
                                            Cohniella yucatanensis
                                    Colombiana
                                    Comparettia
                                            Comparettia falcata
                                    Corallorhiza
                                           [Corallorrhiza]
                                            Corallorhiza arizonica
                                            Corallorhiza bentleyi
                                            Corallorhiza grabhami
                                            Corallorhiza involuta
                                            Corallorhiza maculata
                                                   [Corallorrhiza maculata]
                                              Corallorhiza maculata var. maculata
                                                     [Corallorhiza maculata var. flavida]
                                                     [Corallorhiza multiflora]
                                                     [Corallorrhiza maculata var. flavida]
                                                     [Corallorrhiza maculata var. maculata]
                                                     [Corallorrhiza multiflora]
                                              Corallorhiza maculata var. occidentalis
                                                     [Corallorhiza maculata ssp. occidentalis]
                                                     [Corallorhiza maculata var. immaculata]
                                                     [Corallorhiza maculata var. intermedia]
                                                     [Corallorhiza maculata var. punicea]
                                                     [Corallorrhiza maculata ssp. occidentalis]
                                                     [Corallorrhiza maculata var. immaculata]
                                                     [Corallorrhiza maculata var. intermedia]
                                                     [Corallorrhiza maculata var. occidentalis]
                                                     [Corallorrhiza maculata var. punicea]
                                              Corallorhiza maculata var. ozettensis
                                            Corallorhiza mertensiana
                                                   [Corallorhiza maculata ssp. mertensiana]
                                                   [Corallorrhiza mertensiana]
                                            Corallorhiza micrantha
                                            Corallorhiza ochroleuca
                                                   [Corallorrhiza ochroleuca]
                                            Corallorhiza odontorhiza
                                                   [Corallorrhiza odontorhiza]
                                              Corallorhiza odontorhiza var. odontorhiza
                                                     [Corallorrhiza micrantha]
                                                     [Corallorrhiza odontorhiza var. odontorhiza]
                                              Corallorhiza odontorhiza var. pringlei
                                                     [Corallorrhiza odontorhiza var. pringlei]
                                            Corallorhiza striata
                                                   [Corallorrhiza striata]
                                              Corallorhiza striata var. flavida
                                              Corallorhiza striata var. ochroleuca
                                              Corallorhiza striata var. striata
                                                     [Corallorrhiza striata var. ochroleuca]
                                                     [Corallorrhiza striata var. striata]
                                              Corallorhiza striata var. vreelandii
                                                     [Corallorhiza bigelovii]
                                                     [Corallorrhiza bigelovii]
                                                     [Corallorrhiza striata var. flavida]
                                                     [Corallorrhiza striata var. vreelandii]
                                            Corallorhiza trifida
                                                   [Corallorhiza corallorhiza]
                                                   [Corallorhiza trifida var. verna]
                                                   [Corallorrhiza corallorrhiza]
                                                   [Corallorrhiza trifida var. verna]
                                                   [Corallorrhiza trifida]
                                            Corallorhiza vreelandii
                                            Corallorhiza wisteriana
                                                   [Corallorrhiza wisteriana]
                                    Coryanthes
                                    Corymborchis
                                    Corymborkis
                                            Corymborkis forcipigera
                                            Corymborkis veratrifolia
                                    Cranichis
                                            Cranichis diphylla
                                            Cranichis muscosa
                                            Cranichis oligantha
                                            Cranichis ricartii
                                            Cranichis schaffneri
                                            Cranichis stachyodes
                                            Cranichis subumbellata
                                            Cranichis tenuis
                                    Criosanthes
                                            Criosanthes arietina
                                    Crocodeilanthe
                                    Crossoglossa
                                    Cryptarrhena
                                    Cryptocentrum
                                    Cryptophoranthus
                                    Cuitlauzina
                                            Cuitlauzina pendula
                                    Cybebus
                                    Cyclopogon
                                            Cyclopogon cranichoides
                                            Cyclopogon elatus
                                            Cyclopogon miradorense
                                    Cycnoches
                                    Cymbidium
                                            Cymbidium canaliculatum
                                              Cymbidium canaliculatum var. sparkesii
                                            Cymbidium insigne
                                    Cymbiglossum
                                            Cymbiglossum cervantesii
                                            Cymbiglossum maculatum
                                    Cypholoron
                                    Cypripedium
                                            Cypripedium acaule
                                            Cypripedium arietinum
                                            Cypripedium calceolus
                                              Cypripedium calceolus ssp. parviflorum
                                              Cypripedium calceolus var. parviflorum
                                            Cypripedium californicum
                                            Cypripedium candidum
                                            Cypripedium fasciculatum
                                            Cypripedium guttatum
                                              Cypripedium guttatum ssp. yatabeanum
                                              Cypripedium guttatum var. guttatum
                                              Cypripedium guttatum var. yatabeanum
                                            Cypripedium kentuckiense
                                            Cypripedium molle
                                            Cypripedium montanum
                                            Cypripedium parviflorum
                                              Cypripedium parviflorum var. makasin
                                              Cypripedium parviflorum var. parviflorum
                                              Cypripedium parviflorum var. pubescens
                                                     [Cypripedium pubescens var. pubescens]
                                            Cypripedium passerinum
                                              Cypripedium passerinum var. minganense
                                            Cypripedium pubescens
                                              Cypripedium pubescens var. makasin
                                            Cypripedium reginae
                                            Cypripedium veganum
                                            Cypripedium x alaskanum
                                            Cypripedium x andrewsii
                                              Cypripedium x andrewsii var. andrewsii
                                              Cypripedium x andrewsii var. favillianum
                                              Cypripedium x andrewsii var. landonii
                                            Cypripedium x columbianum
                                            Cypripedium x favillianum
                                            Cypripedium x landonii
                                            Cypripedium yatabeanum
                                    Cyrtidiorchis
                                    Cyrtochiloides
                                    Cyrtochilum
                                    Cyrtopodium
                                            Cyrtopodium andersonii
                                            Cyrtopodium paranaense
                                            Cyrtopodium polyphyllum
                                            Cyrtopodium punctatum
                                    Cytherea
                                           [Conchocarpus]
                                    Dactylorhiza
                                            Dactylorhiza aristata
                                            Dactylorhiza hatagirea
                                            Dactylorhiza incarnata
                                            Dactylorhiza majalis
                                              Dactylorhiza majalis ssp. praetermissa
                                              Dactylorhiza majalis var. junialis
                                            Dactylorhiza viridis
                                                   [Coeloglossum viride var. islandicum]
                                                   [Coeloglossum viride var. viride]
                                                   [Habenaria viridis var. interjecta]
                                                   [Habenaria viridis]
                                    Daiotyla
                                    Deiregyne
                                           [Darcyanthus]
                                            Deiregyne confusa
                                            Deiregyne durangensis
                                            Deiregyne eriophora
                                    Dendrobium
                                            Dendrobium bigibbum
                                            Dendrobium discolor
                                            Dendrobium linguiforme
                                            Dendrobium scopa
                                    Dendrophylax
                                            Dendrophylax constanzensis
                                                   [Campylocentrum constanzense]
                                            Dendrophylax filiformis
                                                   [Aeranthes monteverdi]
                                                   [Campylocentrum monteverdi]
                                            Dendrophylax lindenii
                                            Dendrophylax macrocarpus
                                                   [Campylocentrum macrocarpum]
                                            Dendrophylax serpentilingua
                                                   [Campylocentrum serpentilingua]
                                    Diadenium
                                    Dichaea
                                            Dichaea echinocarpa
                                            Dichaea hystricina
                                            Dichaea latifolia
                                            Dichaea muricata
                                            Dichaea neglecta
                                            Dichaea pendula
                                            Dichaea squarrosa
                                            Dichaea swartzii
                                            Dichaea trichocarpa
                                    Dichromanthus
                                            Dichromanthus cinnabarinus
                                            Dichromanthus michuacanus
                                    Dicrypta
                                    Didymoplexis
                                            Didymoplexis fimbriata
                                    Dilomilis
                                            Dilomilis montana
                                    Dimerandra
                                            Dimerandra latipetala
                                    Dinema
                                           [Proscopus]
                                    Diodonopsis
                                    Diothonea
                                    Dipteranthus
                                    Discyphus
                                    Dodsonia
                                    Domingoa
                                            Domingoa haematochila
                                            Domingoa hymenodes
                                            Domingoa kienastii
                                    Draconanthes
                                    Dracontia
                                    Dracula
                                    Dresslerella
                                    Dressleria
                                    Dryadella
                                    Dunstervillea
                                    Eburophyton
                                            Eburophyton austiniae
                                    Echinosepala
                                            Echinosepala aspasicensis
                                            Echinosepala uncinata
                                                   [Brenesia uncinata]
                                    Ecuadoria
                                    Elleanthus
                                            Elleanthus capitatus
                                            Elleanthus caricoides
                                            Elleanthus cordidactylus
                                            Elleanthus graminifolius
                                            Elleanthus linifolius
                                    Elongatia
                                    Eloyella
                                    Eltroplectris
                                            Eltroplectris acuminata
                                            Eltroplectris calcarata
                                    Embreea
                                    Empusella
                                    Encyclia
                                            Encyclia adenocarpa
                                            Encyclia adenocarpon
                                            Encyclia alata
                                            Encyclia belizensis
                                            Encyclia bifida
                                            Encyclia boothiana
                                              Encyclia boothiana var. erythronioides
                                            Encyclia citrina
                                            Encyclia cochleata
                                              Encyclia cochleata ssp. triandra
                                              Encyclia cochleata var. triandra
                                            Encyclia concolor
                                            Encyclia cordigera
                                            Encyclia favoris
                                            Encyclia fucata
                                            Encyclia gravida
                                            Encyclia isochila
                                            Encyclia kraenzlinii
                                            Encyclia lancifolia
                                            Encyclia linkiana
                                            Encyclia microbulbon
                                                   [Dinema microbulbon]
                                            Encyclia ochracea
                                            Encyclia oncidioides
                                            Encyclia papilionacea
                                            Encyclia pterocarpa
                                            Encyclia pygmaea
                                            Encyclia radiata
                                            Encyclia rubra
                                            Encyclia rufa
                                            Encyclia semiaperta
                                            Encyclia sintenisii
                                            Encyclia tampensis
                                            Encyclia tenuissima
                                            Encyclia trachycarpa
                                            Encyclia tripunctata
                                            Encyclia vagans
                                            Encyclia varicosa
                                    Epibator
                                    Epidanthus
                                    Epidendropsis
                                            Epidendropsis vicentina
                                    Epidendrum
                                            Epidendrum acunae
                                            Epidendrum amphistomum
                                            Epidendrum anceps
                                            Epidendrum anisatum
                                            Epidendrum antillanum
                                            Epidendrum aquaticum
                                            Epidendrum belvederense
                                            Epidendrum bicornutum
                                            Epidendrum bifidum
                                            Epidendrum boothii
                                            Epidendrum boricuarum
                                                   [Amphiglottis difformis]
                                                   [Epidendrum difforme]
                                                   [Epidendrum latifolium]
                                                   [Epidendrum moirianum]
                                                   [Neolehmannia difformis]
                                            Epidendrum brittonianum
                                            Epidendrum cardiochilum
                                            Epidendrum carpophorum
                                            Epidendrum ciliare
                                            Epidendrum clowesii
                                            Epidendrum cochleatum
                                              Epidendrum cochleatum var. triandrum
                                            Epidendrum conopseum
                                              Epidendrum conopseum var. mexicana
                                            Epidendrum cristatum
                                            Epidendrum diffusum
                                            Epidendrum equitantifolium
                                            Epidendrum erythronioides
                                            Epidendrum examinis
                                            Epidendrum floridense
                                            Epidendrum fucatum
                                            Epidendrum gladiatum
                                            Epidendrum ibaguense
                                            Epidendrum imatophyllum
                                            Epidendrum isochilum
                                              Epidendrum isochilum var. tridens
                                            Epidendrum isomerum
                                            Epidendrum jamaicense
                                            Epidendrum kraenzlinii
                                            Epidendrum lacerum
                                            Epidendrum ledifolium
                                            Epidendrum longipetalum
                                            Epidendrum magnoliae
                                              Epidendrum magnoliae var. magnoliae
                                              Epidendrum magnoliae var. mexicanum
                                            Epidendrum miserrimum
                                            Epidendrum mutelianum
                                            Epidendrum nemorale
                                            Epidendrum nocturnum
                                            Epidendrum nodosum
                                            Epidendrum nutans
                                            Epidendrum obrienianum
                                            Epidendrum ochraceum
                                            Epidendrum oncidioides
                                              Epidendrum oncidioides var. gravidum
                                            Epidendrum ottonis
                                            Epidendrum pallidiflorum
                                            Epidendrum paniculatum
                                            Epidendrum paranaense
                                            Epidendrum parkinsonianum
                                            Epidendrum patens
                                            Epidendrum polybulbon
                                            Epidendrum propinquum
                                            Epidendrum pseudoramosum
                                            Epidendrum pygmaeum
                                            Epidendrum radicans
                                            Epidendrum radioferens
                                            Epidendrum ramosum
                                            Epidendrum raniferum
                                            Epidendrum rigidum
                                            Epidendrum secundum
                                            Epidendrum serrulatum
                                            Epidendrum sintenisii
                                            Epidendrum strobiliferum
                                            Epidendrum tampense
                                            Epidendrum tridens
                                            Epidendrum vicentinum
                                            Epidendrum vitellinum
                                            Epidendrum x obrienianum
                                    Epilyna
                                    Epipactis
                                            Epipactis atrorubens
                                            Epipactis gigantea
                                            Epipactis helleborine
                                                   [Epipactis latifolia]
                                                   [Serapias helleborine]
                                            Epipactis palustris
                                            Epipactis rubiginosa
                                    Epistephium
                                    Eria
                                    Eriopsis
                                    Erythrodes
                                            Erythrodes hirtella
                                            Erythrodes plantaginea
                                            Erythrodes querceticola
                                    Eulophia
                                            Eulophia alta
                                            Eulophia ecristata
                                            Eulophia graminea
                                            Eulophia macgregorii
                                            Eulophia pulchra
                                    Eulophidium
                                            Eulophidium maculatum
                                    Euryblema
                                    Eurystyles
                                            Eurystyles ananassocomos
                                    Fernandezia
                                    Fissipes
                                            Fissipes acaulis
                                    Frondaria
                                    Funkiella
                                    Galeandra
                                            Galeandra bicarinata
                                    Galearis
                                            Galearis spectabilis
                                    Galeorchis
                                            Galeorchis spectabilis
                                    Galeottia
                                    Galeottiella
                                    Gavilea
                                    Geodorum
                                            Geodorum densiflorum
                                    Gomphichis
                                    Gongora
                                            Gongora galeottiana
                                            Gongora histrionica
                                    Goniochilus
                                    Goodyera
                                            Goodyera brachyceras
                                            Goodyera oblongifolia
                                                   [Goodyera decipiens]
                                                   [Goodyera oblongifolia var. reticulata]
                                                   [Peramium decipiens]
                                                   [Peramium menziesii]
                                            Goodyera pubescens
                                            Goodyera repens
                                                   [Goodyera ophioides]
                                                   [Goodyera repens ssp. ophioides]
                                                   [Goodyera repens var. ophioides]
                                                   [Peramium ophioides]
                                            Goodyera rubicunda
                                            Goodyera striata
                                            Goodyera tesselata
                                    Govenia
                                            Govenia capitata
                                            Govenia floridana
                                                   [Govenia utriculata]
                                            Govenia lagenophora
                                            Govenia liliacea
                                            Govenia superba
                                    Gracielanthus
                                    Grobya
                                    Guarianthe
                                            Guarianthe aurantiaca
                                                   [Cattleya aurantiaca]
                                    Gymnadenia
                                            Gymnadenia conopsea
                                    Gymnadeniopsis
                                            Gymnadeniopsis clavellata
                                            Gymnadeniopsis integra
                                            Gymnadeniopsis nivea
                                    Habenaria
                                            Habenaria alata
                                            Habenaria albida
                                              Habenaria albida var. straminea
                                            Habenaria amalfitana
                                            Habenaria behringiana
                                            Habenaria bicolor
                                            Habenaria blephariglottis
                                              Habenaria blephariglottis var. conspicua
                                              Habenaria blephariglottis var. integrilabia
                                            Habenaria brevifolia
                                            Habenaria chapmanii
                                            Habenaria chorisiana
                                            Habenaria ciliaris
                                            Habenaria clavellata
                                              Habenaria clavellata var. ophioglossoides
                                              Habenaria clavellata var. wrightii
                                            Habenaria clypeata
                                            Habenaria conopsea
                                            Habenaria correlliana
                                            Habenaria correllii
                                            Habenaria crassicornis
                                            Habenaria cristata
                                            Habenaria diffusa
                                            Habenaria dilatata
                                              Habenaria dilatata var. albiflora
                                              Habenaria dilatata var. media
                                            Habenaria distans
                                            Habenaria dussii
                                            Habenaria elegans
                                              Habenaria elegans var. maritima
                                              Habenaria elegans var. elata
                                            Habenaria entomantha
                                            Habenaria eustachya
                                            Habenaria filifera
                                            Habenaria fimbriata
                                            Habenaria flava
                                              Habenaria flava var. herbiola
                                            Habenaria floribunda
                                            Habenaria grandiflora
                                            Habenaria greenei
                                            Habenaria guadalajarana
                                            Habenaria habenaria
                                            Habenaria holochila
                                            Habenaria hookeri
                                              Habenaria hookeri var. abbreviata
                                            Habenaria humilis
                                            Habenaria integra
                                            Habenaria jaliscana
                                            Habenaria lacera
                                              Habenaria lacera var. terrae-novae
                                            Habenaria leucophaea
                                              Habenaria leucophaea var. praeclara
                                              Habenaria leucostachys var. virida
                                            Habenaria longipedicellata
                                            Habenaria macroceratitis
                                            Habenaria macrophylla
                                            Habenaria maritima
                                                   [Habenaria unalascensis var. maritima]
                                            Habenaria media
                                            Habenaria michaelii
                                            Habenaria monorrhiza
                                            Habenaria nivea
                                            Habenaria novemfida
                                            Habenaria obtusa
                                            Habenaria obtusata
                                              Habenaria obtusata var. collectanea
                                            Habenaria odontopetala
                                            Habenaria orbiculata
                                              Habenaria orbiculata var. lehorsii
                                              Habenaria orbiculata var. macrophylla
                                              Habenaria orbiculata var. menziesii
                                            Habenaria peramoena
                                            Habenaria petalodes
                                            Habenaria pringlei
                                            Habenaria psycodes
                                              Habenaria psycodes var. grandiflora
                                            Habenaria pyramidalis
                                            Habenaria quinqueseta
                                              Habenaria quinqueseta var. macroceratitis
                                            Habenaria repens
                                            Habenaria rodeiensis
                                            Habenaria schaffneri
                                            Habenaria scutellata
                                            Habenaria straminea
                                            Habenaria strictissima
                                              Habenaria strictissima var. odontopetala
                                            Habenaria thurberi
                                            Habenaria virens
                                            Habenaria x andrewsii
                                            Habenaria x canbyi
                                            Habenaria x chapmanii
                                    Habenella
                                            Habenella odontopetala
                                    Hammarbya
                                            Hammarbya paludosa
                                    Hapalorchis
                                            Hapalorchis lineatus
                                            Hapalorchis tenuis
                                    Harrisella
                                            Harrisella filiformis
                                            Harrisella porrecta
                                    Helcia
                                    Helleriella
                                            Helleriella punctulata
                                    Hetaeria
                                            Hetaeria whitmeei
                                    Heterotaxis
                                    Hexalectris
                                            Hexalectris colemanii
                                            Hexalectris grandiflora
                                            Hexalectris nitida
                                            Hexalectris parviflora
                                            Hexalectris revoluta
                                              Hexalectris revoluta var. colemanii
                                            Hexalectris spicata
                                              Hexalectris spicata var. arizonica
                                                     [Hexalectris arizonica]
                                              Hexalectris spicata var. spicata
                                            Hexalectris warnockii
                                    Hexisea
                                    Hintonella
                                            Hintonella mexicana
                                    Hirtzia
                                    Hofmeisterella
                                    Homalopetalum
                                    Horichia
                                    Hormidium
                                            Hormidium pygmaeum
                                            Hormidium tripterum
                                    Horvatia
                                    Houlletia
                                    Humboltia
                                    Huntleya
                                    Hybochilus
                                    Ibidium
                                            Ibidium beckii
                                            Ibidium cernuum
                                            Ibidium floridanum
                                            Ibidium gracile
                                            Ibidium laciniatum
                                            Ibidium longilabre
                                            Ibidium ovale
                                            Ibidium plantagineum
                                            Ibidium praecox
                                            Ibidium tortile
                                            Ibidium vernale
                                            Ibidium x intermedium
                                    Ida
                                    Ionopsis
                                            Ionopsis gardneri
                                            Ionopsis satyrioides
                                            Ionopsis utricularioides
                                    Isochilus
                                            Isochilus alatus
                                            Isochilus amparoanus
                                            Isochilus latibracteatus
                                            Isochilus linearis
                                              Isochilus linearis var. carnosiflorus
                                            Isochilus major
                                    Isotria
                                            Isotria medeoloides
                                            Isotria verticillata
                                    Jacquiniella
                                            Jacquiniella globosa
                                            Jacquiniella leucomelana
                                            Jacquiniella miserrima
                                            Jacquiniella teretifolia
                                    Jumellea
                                            Jumellea arachnantha
                                    Kefersteinia
                                    Kegeliella
                                    Kionophyton
                                    Koellensteinia
                                            Koellensteinia graminea
                                    Konantzia
                                    Kraenzlinella
                                    Kreodanthus
                                    Lacaena
                                    Laelia
                                            Laelia albida
                                            Laelia anceps
                                            Laelia autumnalis
                                            Laelia eyermaniana
                                            Laelia gouldiana
                                            Laelia harpophylla
                                            Laelia purpurata
                                            Laelia rubescens
                                            Laelia speciosa
                                            Laelia tibicinis
                                    Laeliopsis
                                            Laeliopsis domingensis
                                    Lanium
                                    Lankesterella
                                    Leochilus
                                            Leochilus crocodiliceps
                                            Leochilus labiatus
                                            Leochilus oncidioides
                                            Leochilus puertoricensis
                                    Lepanthes
                                            Lepanthes caritensis
                                            Lepanthes concinna
                                            Lepanthes dodiana
                                            Lepanthes eltoroensis
                                            Lepanthes harrisii
                                            Lepanthes rubripetala
                                            Lepanthes rupestris
                                            Lepanthes sanguinea
                                            Lepanthes selenitepala
                                            Lepanthes veleziana
                                              Lepanthes veleziana var. retusicolumna
                                              Lepanthes veleziana var. veleziana
                                            Lepanthes woodburyana
                                    Lepanthopsis
                                            Lepanthopsis melanantha
                                    Leucohyle
                                    Leucorchis
                                            Leucorchis albida
                                              Leucorchis albida var. subalpina
                                    Ligeophila
                                    Limnorchis
                                            Limnorchis arizonica
                                            Limnorchis dilatata
                                              Limnorchis dilatata ssp. albiflora
                                            Limnorchis media
                                    Limodorum
                                            Limodorum multiflorum
                                            Limodorum pallidum
                                            Limodorum parviflorum
                                            Limodorum pinetorum
                                            Limodorum simpsonii
                                            Limodorum tuberosum
                                    Liparis
                                           [Macranthisiphon]
                                            Liparis disepala
                                            Liparis eggersii
                                            Liparis elata
                                            Liparis guamensis
                                            Liparis harrisii
                                            Liparis hawaiensis
                                            Liparis liliifolia
                                            Liparis loeselii
                                            Liparis nervosa
                                            Liparis nutans
                                            Liparis saundersiana
                                            Liparis vexillifera
                                            Liparis x jonesii
                                    Listera
                                            Listera auriculata
                                            Listera australis
                                            Listera banksiana
                                            Listera borealis
                                            Listera caurina
                                            Listera convallarioides
                                                   [Ophrys convallarioides]
                                            Listera cordata
                                              Listera cordata ssp. nephrophylla
                                              Listera cordata var. cordata
                                              Listera cordata var. nephrophylla
                                            Listera nephrophylla
                                            Listera ovata
                                            Listera smallii
                                            Listera x veltmanii
                                    Lockhartia
                                    Lophiaris
                                            Lophiaris lindenii
                                            Lophiaris maculata
                                    Lueddemannia
                                    Lueranthos
                                    Luerella
                                    Lycaste
                                            Lycaste aromatica
                                            Lycaste barringtoniae
                                            Lycaste crinita
                                            Lycaste deppei
                                    Lycomormium
                                    Lyroglossa
                                    Lysias
                                            Lysias hookeriana
                                            Lysias orbiculata
                                    Lysiella
                                            Lysiella obtusata
                                    Macradenia
                                            Macradenia lutescens
                                    Macroclinium
                                    Malaxis
                                            Malaxis abieticola
                                            Malaxis bayardii
                                            Malaxis brachypoda
                                            Malaxis brachyrrhyncha
                                            Malaxis carnosa
                                            Malaxis corymbosa
                                            Malaxis diphyllos
                                            Malaxis ehrenbergii
                                              Malaxis ehrenbergii var. platyglossa
                                            Malaxis fastigiata
                                            Malaxis floridana
                                            Malaxis latisegmenta
                                            Malaxis maianthemifolia
                                            Malaxis major
                                            Malaxis massonii
                                            Malaxis monophyllos
                                              Malaxis monophyllos ssp. brachypoda
                                              Malaxis monophyllos var. brachypoda
                                              Malaxis monophyllos var. diphyllos
                                              Malaxis monophyllos var. monophyllos
                                            Malaxis myosurus
                                            Malaxis myurus
                                            Malaxis nelsonii
                                            Malaxis novogaliciana
                                            Malaxis ocreata
                                            Malaxis paludosa
                                            Malaxis porphyrea
                                                   [Microstylis porphyrea]
                                            Malaxis pringlei
                                            Malaxis resupinata
                                            Malaxis rosei
                                            Malaxis rosilloi
                                            Malaxis salazarii
                                            Malaxis soulei
                                                   [Malaxis macrostachya]
                                            Malaxis spicata
                                            Malaxis streptopetala
                                            Malaxis tenuis
                                            Malaxis unifolia
                                                   [Microstylis unifolia]
                                            Malaxis wendtii
                                    Masdevallia
                                            Masdevallia coccinea
                                            Masdevallia linearifolia
                                    Maxillaria
                                            Maxillaria acutifolia
                                            Maxillaria brunnea
                                            Maxillaria coccinea
                                            Maxillaria conferta
                                            Maxillaria crassifolia
                                            Maxillaria cucullata
                                            Maxillaria densa
                                            Maxillaria houtteana
                                            Maxillaria luteo-alba
                                            Maxillaria meleagris
                                            Maxillaria parviflora
                                            Maxillaria purpurea
                                            Maxillaria ringens
                                            Maxillaria sessilis
                                            Maxillaria tenuifolia
                                            Maxillaria uncata
                                            Maxillaria variabilis
                                    Meiracyllium
                                            Meiracyllium gemma
                                    Mendoncella
                                    Mesadenella
                                    Mesadenus
                                            Mesadenus lucayanus
                                                   [Mesadenus polyanthus]
                                                   [Spiranthes lucayana]
                                    Mesospinidium
                                    Microchilus
                                    Microstylis
                                           [Pseudohamelia]
                                            Microstylis elegantula
                                            Microstylis pringlei
                                    Microthelys
                                            Microthelys rubrocallosa
                                            Microthelys rubrocalosa
                                    Miltonia
                                            Miltonia flavescens
                                            Miltonia vexillaria
                                    Miltoniopsis
                                    Mirandopsis
                                    Monophyllorchis
                                    Mormodes
                                    Mormolyca
                                            Mormolyca ringens
                                    Myoxanthus
                                    Myrmecophila
                                    Myrosmodes
                                    Mystacorchis
                                    Nageliella
                                            Nageliella purpurea
                                    Nemaconia
                                    Neodryas
                                    Neokoehleria
                                    Neolehmannia
                                    Neomoorea
                                    Neottia
                                            Neottia auriculata
                                            Neottia australis
                                            Neottia borealis
                                            Neottia caurina
                                            Neottia nephrophylla
                                            Neottia smallii
                                    Neowilliamsia
                                    Nervilia
                                            Nervilia aragoana
                                            Nervilia jacksoniae
                                            Nervilia platychila
                                    Nidema
                                            Nidema boothii
                                            Nidema ottonis
                                    Notylia
                                    Octadesmia
                                            Octadesmia montana
                                    Octomeria
                                            Octomeria umbonulata
                                    Odontoglossum
                                            Odontoglossum cervantesii
                                            Odontoglossum maculatum
                                            Odontoglossum nebulosum
                                            Odontoglossum pulchellum
                                            Odontoglossum stellatum
                                            Odontoglossum triumphans
                                    Odontorrhynchus
                                    Oeceoclades
                                            Oeceoclades maculata
                                    Oerstedella
                                    Oestlundia
                                    Oestlundorchis
                                    Oliveriana
                                    Oncidium
                                            Oncidium alatum
                                            Oncidium altissimum
                                            Oncidium bahamense
                                            Oncidium bifolium
                                            Oncidium brachyandrum
                                            Oncidium carthaginense
                                            Oncidium ensatum
                                            Oncidium flavovirens
                                            Oncidium floridanum
                                            Oncidium ghiesbreghtianum
                                            Oncidium graminifolium
                                            Oncidium hastatum
                                            Oncidium hookeri
                                            Oncidium intermedium
                                            Oncidium lemonianum
                                            Oncidium maculatum
                                            Oncidium meirax
                                            Oncidium nebulosum
                                            Oncidium papilio
                                            Oncidium prionochilum
                                            Oncidium pusillum
                                            Oncidium reflexum
                                            Oncidium sphacelatum
                                            Oncidium suave
                                            Oncidium tigrinum
                                            Oncidium undulatum
                                            Oncidium variegatum
                                            Oncidium wydleri
                                    Ophidion
                                    Ophrys
                                            Ophrys auriculata
                                            Ophrys australis
                                            Ophrys caurina
                                            Ophrys cordata
                                            Ophrys insectifera
                                            Ophrys smallii
                                    Orchidotypus
                                    Orchis
                                            Orchis aristata
                                            Orchis morio
                                            Orchis purpurea
                                            Orchis purpurella
                                            Orchis rotundifolia
                                              Orchis rotundifolia var. lineata
                                            Orchis spectabilis
                                    Orleanesia
                                    Ornithidium
                                            Ornithidium coccineum
                                            Ornithidium confertum
                                    Ornithocephalus
                                            Ornithocephalus inflexus
                                    Osmoglossum
                                    Otoglossum
                                    Otostylis
                                    Pabstiella
                                    Pachyphyllum
                                    Palmorchis
                                    Palumbina
                                    Paphinia
                                    Paphiopedilum
                                    Pelexia
                                            Pelexia adnata
                                            Pelexia setacea
                                    Peramium
                                            Peramium pubescens
                                            Peramium tesselatum
                                    Peristeria
                                    Perularia
                                            Perularia bidentata
                                            Perularia flava
                                            Perularia scutellata
                                    Pescatorea
                                    Pescatoria
                                            Pescatoria cerina
                                    Phaius
                                            Phaius tancarvilleae
                                    Phalaenopsis
                                    Phloeophila
                                    Phragmipedium
                                    Phymatidium
                                    Physosiphon
                                            Physosiphon tubatus
                                    Physothallis
                                    Physurus
                                            Physurus hirtellus
                                            Physurus plantagineus
                                            Physurus querceticola
                                            Physurus sagraeanus
                                    Piperia
                                            Piperia candida
                                            Piperia colemanii
                                            Piperia cooperi
                                            Piperia dilatata
                                              Piperia dilatata var. leucostachys
                                            Piperia elegans
                                              Piperia elegans ssp. decurtata
                                              Piperia elegans ssp. elegans
                                              Piperia elegans var. elata
                                            Piperia elongata
                                              Piperia elongata ssp. michaelii
                                            Piperia lancifolia
                                            Piperia leptopetala
                                            Piperia longispica
                                            Piperia maritima
                                            Piperia michaelii
                                            Piperia multiflora
                                            Piperia transversa
                                            Piperia unalascensis
                                                   [Habenaria unalascensis ssp. elata]
                                                   [Habenaria unalascensis var. elata]
                                                   [Habenaria unalascensis]
                                                   [Platanthera cooperi]
                                                   [Platanthera unalascensis ssp. elata]
                                                   [Platanthera unalascensis ssp. maritima]
                                                   [Platanthera unalascensis var. maritima]
                                                   [Platanthera unalascensis]
                                                   [Spiranthes unalascensis]
                                            Piperia unalaschensis
                                            Piperia yadonii
                                    Pityphyllum
                                    Platanthera
                                            Platanthera albida
                                              Platanthera albida var. straminea
                                            Platanthera aquilonis
                                            Platanthera bifolia
                                            Platanthera blephariglottis
                                              Platanthera blephariglottis var. blephariglottis
                                              Platanthera blephariglottis var. conspicua
                                            Platanthera brevifolia
                                                   [Habenaria sparsiflora var. brevifolia]
                                                   [Platanthera sparsiflora var. breviflora]
                                                   [Platanthera sparsiflora var. brevifolia]
                                            Platanthera chapmanii
                                            Platanthera chorisiana
                                            Platanthera ciliaris
                                            Platanthera clavellata
                                            Platanthera convallariifolia
                                            Platanthera cristata
                                            Platanthera dilatata
                                              Platanthera dilatata var. albiflora
                                              Platanthera dilatata var. angustifolia
                                              Platanthera dilatata var. chlorantha
                                              Platanthera dilatata var. dilatata
                                              Platanthera dilatata var. leucostachys
                                                     [Platanthera leucostachys]
                                            Platanthera flava
                                              Platanthera flava var. flava
                                              Platanthera flava var. herbiola
                                            Platanthera grandiflora
                                            Platanthera holochila
                                            Platanthera hookeri
                                            Platanthera huronensis
                                                   [Habenaria huronensis]
                                                   [Habenaria hyperborea var. huronensis]
                                                   [Platanthera hyperborea var. huronensis]
                                                   [Platanthera hyperborea var. major]
                                            Platanthera hyperborea
                                              Platanthera hyperborea var. gracilis
                                                     [Habenaria sparsiflora var. laxiflora]
                                                     [Platanthera gracilis]
                                              Platanthera hyperborea var. hyperborea
                                                     [Habenaria hyperborea]
                                                     [Limnorchis hyperborea]
                                                     [Platanthera hyperborea var. minor]
                                            Platanthera integra
                                            Platanthera integrilabia
                                            Platanthera lacera
                                              Platanthera lacera var. terrae-novae
                                            Platanthera leucophaea
                                            Platanthera limosa
                                                   [Habenaria limosa]
                                                   [Limnorchis thurberi]
                                            Platanthera macrophylla
                                            Platanthera nivea
                                            Platanthera obtusata
                                              Platanthera obtusata ssp. obtusata
                                              Platanthera obtusata ssp. oligantha
                                            Platanthera oligantha
                                            Platanthera orbiculata
                                              Platanthera orbiculata var. macrophylla
                                            Platanthera pallida
                                            Platanthera peramoena
                                            Platanthera praeclara
                                            Platanthera psycodes
                                            Platanthera purpurascens
                                                   [Limnorchis purpurascens]
                                            Platanthera repens
                                            Platanthera sparsiflora
                                                   [Habenaria sparsiflora]
                                              Platanthera sparsiflora var. sparsiflora
                                                     [Limnorchis sparsiflora]
                                            Platanthera stricta
                                                   [Habenaria hyperborea var. viridiflora]
                                                   [Habenaria saccata]
                                                   [Habenaria stricta]
                                                   [Limnorchis saccata]
                                                   [Limnorchis stricta]
                                                   [Limnorchis viridiflora]
                                                   [Platanthera convallariifolia var. dilatatoides]
                                                   [Platanthera dilatata var. gracilis]
                                                   [Platanthera hyperborea var. purpurascens]
                                                   [Platanthera hyperborea var. viridiflora]
                                                   [Platanthera saccata]
                                            Platanthera tescamnis
                                                   [Limnorchis ensifolia]
                                                   [Platanthera sparsiflora var. ensifolia]
                                            Platanthera tipuloides
                                              Platanthera tipuloides var. behringiana
                                            Platanthera x andrewsii
                                            Platanthera x bicolor
                                            Platanthera x canbyi
                                            Platanthera x channellii
                                            Platanthera x correllii
                                            Platanthera x estesii
                                            Platanthera x hollandiae
                                            Platanthera x keenanii
                                            Platanthera x lassenii
                                            Platanthera x media
                                            Platanthera x reznicekii
                                            Platanthera x vossii
                                            Platanthera zothecina
                                                   [Habenaria zothecina]
                                                   [Limnorchis zothecina]
                                    Platyglottis
                                    Platypus
                                            Platypus altus
                                    Platystele
                                            Platystele stenostachya
                                    Platythelys
                                            Platythelys querceticola
                                            Platythelys sagraeanus
                                    Plectrophora
                                    Pleurobotryum
                                    Pleurothallis
                                            Pleurothallis appendiculata
                                            Pleurothallis aristata
                                            Pleurothallis brighamii
                                            Pleurothallis ciliaris
                                            Pleurothallis coriacea
                                            Pleurothallis domingensis
                                            Pleurothallis foliata
                                            Pleurothallis gelida
                                            Pleurothallis ghiesbreghtiana
                                            Pleurothallis grobyi
                                            Pleurothallis hirsuta
                                            Pleurothallis longispicata
                                            Pleurothallis longissima
                                            Pleurothallis obovata
                                            Pleurothallis odontopetala
                                            Pleurothallis pachyrachis
                                            Pleurothallis platystylis
                                            Pleurothallis pruinosa
                                            Pleurothallis pubescens
                                            Pleurothallis quadrifida
                                            Pleurothallis racemiflora
                                            Pleurothallis ruscifolia
                                            Pleurothallis segoviensis
                                            Pleurothallis tricostata
                                            Pleurothallis urbaniana
                                            Pleurothallis wilsonii
                                            Pleurothallis ypirangae
                                    Pogonia
                                            Pogonia macrophylla
                                            Pogonia ophioglossoides
                                              Pogonia ophioglossoides var. brachypogon
                                    Polycycnis
                                    Polyradicion
                                            Polyradicion lindenii
                                    Polyrrhiza
                                            Polyrrhiza lindenii
                                    Polystachya
                                            Polystachya cerea
                                            Polystachya concreta
                                            Polystachya extinctoria
                                            Polystachya flavescens
                                            Polystachya foliosa
                                            Polystachya luteola
                                            Polystachya minor
                                            Polystachya minuta
                                    Ponera
                                            Ponera graminifolia
                                            Ponera striata
                                    Ponthieva
                                            Ponthieva brittoniae
                                            Ponthieva ephippium
                                            Ponthieva racemosa
                                              Ponthieva racemosa var. brittoniae
                                            Ponthieva schaffneri
                                            Ponthieva ventricosa
                                    Porphyrostachys
                                    Porroglossum
                                    Potosia
                                    Prescotia
                                            Prescotia oligantha
                                            Prescotia pellucida
                                            Prescotia stachyodes
                                    Prescottia
                                            Prescottia oligantha
                                    Prosthechea
                                            Prosthechea boothiana
                                              Prosthechea boothiana var. erythronioides
                                            Prosthechea cochleata
                                              Prosthechea cochleata var. cochleata
                                              Prosthechea cochleata var. triandra
                                            Prosthechea pygmaea
                                            Prosthechea radiata
                                    Pseudocentrum
                                    Pseudogoodyera
                                    Pseudorchis
                                            Pseudorchis albida
                                              Pseudorchis albida ssp. straminea
                                            Pseudorchis straminea
                                    Psilochilus
                                            Psilochilus macrophyllus
                                    Psychilis
                                            Psychilis kraenzlinii
                                            Psychilis krugii
                                                   [Encyclia krugii]
                                                   [Epidendrum krugii]
                                            Psychilis macconnelliae
                                            Psychilis monensis
                                            Psychilis x raganii
                                    Psychopsis
                                            Psychopsis papilio
                                    Psygmorchis
                                            Psygmorchis pusilla
                                    Pterichis
                                    Pteroglossaspis
                                            Pteroglossaspis ecristata
                                    Pterostemma
                                    Rangaeris
                                    Raycadenco
                                    Reichenbachanthus
                                    Renanthera
                                            Renanthera monachica
                                    Restrepia
                                    Restrepiella
                                            Restrepiella ophiocephala
                                    Restrepiopsis
                                    Rhyncholaelia
                                            Rhyncholaelia digbyana
                                    Rhynchopera
                                    Rhynchostele
                                    Robiquetia
                                            Robiquetia bertholdii
                                    Rodriguezia
                                            Rodriguezia decora
                                    Rossioglossum
                                            Rossioglossum insleayi
                                    Rubellia
                                    Rudolfiella
                                    Rusbyella
                                    Sacoila
                                            Sacoila lanceolata
                                                   [Stenorrhynchos lanceolatum var. lanceolatum]
                                              Sacoila lanceolata var. lanceolata
                                              Sacoila lanceolata var. paludicola
                                            Sacoila squamulosa
                                    Sacolia
                                            Sacolia squamulosa
                                    Salpistele
                                    Sarcoglottis
                                            Sarcoglottis corymbosa
                                            Sarcoglottis pauciflora
                                    Sauroglossum
                                    Scaphosepalum
                                    Scaphyglottis
                                            Scaphyglottis behrii
                                            Scaphyglottis livida
                                            Scaphyglottis major
                                            Scaphyglottis minutiflora
                                            Scaphyglottis modesta
                                            Scaphyglottis sessilis
                                    Scelochiloides
                                    Scelochilus
                                    Schiedeela
                                    Schiedeella
                                            Schiedeella arizonica
                                                   [Schiedeella fauci-sanguinea]
                                                   [Schiedeella parasitica]
                                            Schiedeella dendroneura
                                            Schiedeella densiflora
                                            Schiedeella diaphana
                                            Schiedeella durangensis
                                            Schiedeella eriophora
                                            Schiedeella llaveana
                                            Schiedeella michuacana
                                            Schiedeella rubrocalosa
                                            Schiedeella velata
                                    Schlimmia
                                    Schomburgkia
                                            Schomburgkia tibicinis
                                    Scuticaria
                                    Selenipedium
                                    Sepalosaccus
                                    Serapias
                                            Serapias atrorubens
                                    Sertifera
                                    Sievekingia
                                    Sigmatostalix
                                    Silenia
                                    Sobralia
                                            Sobralia decora
                                            Sobralia fragrans
                                            Sobralia macrantha
                                            Sobralia mucronata
                                    Sodiroella
                                    Solenidiopsis
                                    Solenidium
                                    Solenocentrum
                                    Soterosanthus
                                    Spathiger
                                            Spathiger ramosus
                                            Spathiger rigidus
                                            Spathiger strobilifera
                                    Spathoglottis
                                            Spathoglottis carolinensis
                                            Spathoglottis elmeri
                                            Spathoglottis micronesiaca
                                            Spathoglottis plicata
                                    Specklinia
                                    Sphyrastylis
                                    Spiranthes
                                            Spiranthes adnata
                                            Spiranthes affinis
                                            Spiranthes amabilis
                                            Spiranthes amesiana
                                            Spiranthes aurantiaca
                                            Spiranthes beckii
                                            Spiranthes bicolor
                                            Spiranthes brevilabris
                                              Spiranthes brevilabris var. brevilabris
                                              Spiranthes brevilabris var. floridana
                                            Spiranthes casei
                                              Spiranthes casei var. casei
                                              Spiranthes casei var. novaescotiae
                                            Spiranthes cernua
                                              Spiranthes cernua var. incurva
                                              Spiranthes cernua var. ochroleuca
                                              Spiranthes cernua var. odorata
                                            Spiranthes cinnabarina
                                            Spiranthes confusa
                                            Spiranthes costaricensis
                                            Spiranthes cranichoides
                                            Spiranthes delitescens
                                            Spiranthes dendroneura
                                            Spiranthes diluvialis
                                            Spiranthes durangensis
                                            Spiranthes eatonii
                                            Spiranthes elata
                                            Spiranthes eriophora
                                            Spiranthes fawcettii
                                            Spiranthes floridana
                                            Spiranthes gracilis
                                              Spiranthes gracilis var. brevilabris
                                              Spiranthes gracilis var. floridana
                                            Spiranthes graminea
                                            Spiranthes grayi
                                            Spiranthes infernalis
                                            Spiranthes lacera
                                              Spiranthes lacera var. gracilis
                                              Spiranthes lacera var. lacera
                                            Spiranthes laciniata
                                            Spiranthes lineata
                                            Spiranthes longilabris
                                            Spiranthes lucida
                                            Spiranthes magnicamporum
                                            Spiranthes nebulorum
                                            Spiranthes ochroleuca
                                            Spiranthes odorata
                                            Spiranthes ovalis
                                              Spiranthes ovalis var. erostellata
                                              Spiranthes ovalis var. ovalis
                                            Spiranthes parasitica
                                                   [Schiedeela parasitica]
                                            Spiranthes parksii
                                            Spiranthes polyantha
                                            Spiranthes porrifolia
                                            Spiranthes praecox
                                            Spiranthes romanzoffiana
                                                   [Ibidium strictum]
                                                   [Spiranthes stricta]
                                              Spiranthes romanzoffiana var. diluvialis
                                              Spiranthes romanzoffiana var. porrifolia
                                            Spiranthes rubrocallosa
                                            Spiranthes seminuda
                                            Spiranthes sinensis
                                            Spiranthes spanantha
                                            Spiranthes speciosa
                                            Spiranthes torta
                                            Spiranthes tortilis
                                            Spiranthes transversalis
                                            Spiranthes tuberosa
                                              Spiranthes tuberosa var. grayi
                                            Spiranthes velata
                                            Spiranthes vernalis
                                            Spiranthes violacea
                                            Spiranthes x borealis
                                            Spiranthes x folsomii
                                            Spiranthes x intermedia
                                            Spiranthes x itchetuckneensis
                                            Spiranthes x meridionalis
                                            Spiranthes x simpsonii
                                            Spiranthes x steigeri
                                    Stanhopea
                                            Stanhopea graveolens
                                            Stanhopea maculosa
                                                   [Stanhopea fregeana]
                                            Stanhopea tigrina
                                    Stelis
                                            Stelis ciliaris
                                            Stelis despectans
                                            Stelis hymenantha
                                            Stelis perplexa
                                            Stelis perpusilliflora
                                            Stelis purpurascens
                                            Stelis pygmaea
                                            Stelis rubens
                                              Stelis rubens var. oxypetala
                                            Stelis tubata
                                    Stellilabium
                                    Stenia
                                    Stenocoryne
                                    Stenoptera
                                    Stenorrhynchos
                                            Stenorrhynchos aurantiacum
                                            Stenorrhynchos lanceolatum
                                                   [Spiranthes orchioides]
                                              Stenorrhynchos lanceolatum var. paludicola
                                            Stenorrhynchos michuacanum
                                                   [Stenorrhynchos michuacanus]
                                            Stenorrhynchos speciosum
                                            Stenorrhynchos speciosus
                                            Stenorrhynchos squamulosum
                                    Stenotyla
                                    Stictophyllorchis
                                    Stigmatosema
                                    Suarezia
                                    Sutrina
                                    Symphyglossum
                                    Systeloglossum
                                    Taeniophyllum
                                            Taeniophyllum fasciola
                                    Talpinaria
                                    Teagueia
                                    Telipogon
                                    Tetragamestus
                                            Tetragamestus modestus
                                    Tetramicra
                                            Tetramicra canaliculata
                                            Tetramicra elegans
                                    Teuscheria
                                    Ticoglossum
                                    Tipularia
                                            Tipularia discolor
                                            Tipularia unifolia
                                    Tolumnia
                                            Tolumnia bahamensis
                                            Tolumnia prionochila
                                            Tolumnia variegata
                                    Trevoria
                                    Tribulago
                                    Trichocentrum
                                            Trichocentrum cebolleta
                                            Trichocentrum maculatum
                                            Trichocentrum undulatum
                                    Trichoceros
                                    Trichopilia
                                    Trichosalpinx
                                            Trichosalpinx dura
                                            Trichosalpinx tamayoana
                                    Trigonidium
                                            Trigonidium egertonianum
                                    Trigonochilum
                                    Triorchos
                                            Triorchos ecristata
                                    Triphora
                                            Triphora amazonica
                                            Triphora craigheadii
                                            Triphora cubensis
                                            Triphora gentianoides
                                            Triphora hassleriana
                                            Triphora latifolia
                                            Triphora rickettii
                                            Triphora surinamensis
                                            Triphora trianthophora
                                                   [Triphora trianthophora var. schaffneri]
                                              Triphora trianthophora ssp. mexicana
                                              Triphora trianthophora ssp. trianthophora
                                            Triphora yucatanensis
                                    Trisetella
                                    Trizeuxis
                                    Tropidia
                                            Tropidia polystachya
                                    Uleiorchis
                                    Unciferia
                                    Unguella
                                    Vanda
                                            Vanda coerulea
                                            Vanda tricolor
                                    Vanilla
                                            Vanilla articulata
                                            Vanilla barbellata
                                            Vanilla claviculata
                                            Vanilla dilloniana
                                            Vanilla inodora
                                            Vanilla mexicana
                                            Vanilla phaeantha
                                            Vanilla planifolia
                                                   [Vanilla fragrans]
                                            Vanilla poitaei
                                            Vanilla pompona
                                            Vanilla vanilla
                                    Vargasiella
                                    Vasqueziella
                                    Warczewiczella
                                    Warmingia
                                    Warrea
                                    Warreopsis
                                    Warringia
                                    Warscewiczella
                                            Warscewiczella flabelliformis
                                    Wullschlaegelia
                                            Wullschlaegelia aphylla
                                    XAckersteinia
                                    Xerorchis
                                    Xylobium
                                            Xylobium palmifolium
                                    Zeuxine
                                            Zeuxine fritzii
                                            Zeuxine strateumatica
                                    Zhukowskia
                                    Zootrophion
                                    Zygopetalum
                                    Zygosepalum

Problematic Rooting (4975)
                                            Corallorrhiza involuta

Problematic Rooting (63904)
                                              Corallorhiza multiflora var. occidentalis

Problematic Rooting (8791)
                                              Habenaria sparsiflora var. sparsiflora