Central Taxonomic Thesaurus

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