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    Tracheophyta
           [Tracheobionta]
      Pteridophyta
            Polypodiopsida
                    Cyatheales
                            <b>Cyatheaceae</b>
                                     <i>Alsophila</i>
            Alsophila F1 hybrid
                                             <i>Alsophila acaulis</i>
                                             <i>Alsophila acutidens</i>
                                             <i>Alsophila acutula</i>
                                             <i>Alsophila albida</i>
                                             <i>Alsophila albidosquamata</i>
                                             <i>Alsophila alternans</i>
                                             <i>Alsophila amintae</i>
                                             <i>Alsophila aquilina</i>
                                             <i>Alsophila armata</i>
                                             <i>Alsophila australis</i>
                                             <i>Alsophila bellisquamata</i>
                                             <i>Alsophila bicrenata</i>
                                             <i>Alsophila borbonica</i>
                                             <i>Alsophila boringuena</i>
                                             <i>Alsophila brooksii</i>
                                             <i>Alsophila bryophila</i>
                                             <i>Alsophila camerooniana</i>
                                               <i>Alsophila camerooniana var. aethiopica</i>
                                                     [Cyathea aethiopica]
                                             <i>Alsophila caudata</i>
                                                   [Cyathea brevipes]
                                             <i>Alsophila christii</i>
                                             <i>Alsophila commutata</i>
                                             <i>Alsophila corcovadensis</i>
                                             <i>Alsophila crassicaula</i>
                                             <i>Alsophila crenulata</i>
                                                   [Hemitelia crenulata]
                                             <i>Alsophila crinita</i>
                                             <i>Alsophila cuspidata</i>
                                                   [Cyathea punctifera]
                                                   [Nephelea cuspidata]
                                             <i>Alsophila dealbata</i>
                                                   [Alsophila tricolor]
                                             <i>Alsophila decrescens</i>
                                             <i>Alsophila decurrens</i>
                                             <i>Alsophila dryopteroides</i>
                                             <i>Alsophila erinacea</i>
                                                   [Cyathea aureonitens]
                                                   [Cyathea purpurascens]
                                                   [Nephelea erinacea]
                                             <i>Alsophila firma</i>
                                                   [Alsophila furcata]
                                                   [Alsophila tenerifrons]
                                                   [Cyathea arida]
                                                   [Cyathea articulata]
                                                   [Cyathea mexicana]
                                                   [Cyathea patellaris]
                                                   [Cyathea trejoi]
                                                   [Hemitelia firma]
                                             <i>Alsophila frigida</i>
                                             <i>Alsophila fuliginosa</i>
                                             <i>Alsophila glabra</i>
                                             <i>Alsophila glauca</i>
                                             <i>Alsophila grevilleana</i>
                                                   [Nephelea grevilleana]
                                             <i>Alsophila hildebrandtii</i>
                                             <i>Alsophila hornei</i>
                                             <i>Alsophila humilis</i>
                                             <i>Alsophila hyacinthei</i>
                                             <i>Alsophila imrayana</i>
                                                   [Cyathea imrayana var. imrayana]
                                                   [Cyathea imrayana]
                                               <i>Alsophila imrayana var. basilaris</i>
                                                     [Cyathea basilaris]
                                                     [Cyathea imrayana var. basilaris]
                                             <i>Alsophila incana</i>
                                             <i>Alsophila isaloensis</i>
                                             <i>Alsophila junghuhniana</i>
                                             <i>Alsophila khasyana</i>
                                                   [Alsophila scottiana]
                                             <i>Alsophila lasiosora</i>
                                             <i>Alsophila lepifera</i>
                                             <i>Alsophila lunulata</i>
                                             <i>Alsophila macgillivrayi</i>
                                                   [Cyathea gracillima]
                                             <i>Alsophila microdonta</i>
                                             <i>Alsophila pilosula</i>
                                             <i>Alsophila podophylla</i>
                                             <i>Alsophila polycarpa</i>
                                             <i>Alsophila polystichoides</i>
                                                   [Cyathea hastulata]
                                                   [Cyathea hemiotis]
                                                   [Cyathea werckleana]
                                                   [Nephelea polystichoides]
                                             <i>Alsophila portoricensis</i>
                                             <i>Alsophila procera</i>
                                             <i>Alsophila pruinata</i>
                                             <i>Alsophila quadrata</i>
                                             <i>Alsophila quadripinnata</i>
                                             <i>Alsophila robusta</i>
                                             <i>Alsophila rufa</i>
                                             <i>Alsophila salvinii</i>
                                                   [Alsophila munchii]
                                                   [Cyathea salvinii]
                                             <i>Alsophila setosa</i>
                                                   [Cyathea beyrichiana]
                                                   [Hemitelia setosa]
                                             <i>Alsophila similis</i>
                                             <i>Alsophila societarum</i>
                                             <i>Alsophila spinulosa</i>
                                                   [Cyathea boninsimensis]
                                                   [Cyathea taiwaniana]
                                                   [Hemitelia decipiens]
                                             <i>Alsophila tahitensis</i>
                                                   [Cyathea rapensis]
                                                   [Hemitelia raiateensis]
                                             <i>Alsophila tomentosa</i>
                                             <i>Alsophila tussacii</i>
                                                   [Nephelea tussacii]
                                             <i>Alsophila villosa</i>
                                             <i>Alsophila walkerae</i>
                                                   [Hemitelia walkerae]
                                             <i>Alsophila woodwardioides</i>
                                                   [Cyathea hieronymi]
                                                   [Nephelea woodwardioides]
                                             <i>Alsophila zakamenensis</i>
                                     <i>Amphicosmia</i>
                                             <i>Amphicosmia capensis</i>
                                                   [Hemitelia capensis]
                                     <i>Cnemidaria</i>
                                             <i>Cnemidaria apiculata</i>
                                                   [Hemitelia apiculata]
                                             <i>Cnemidaria chiricana</i>
                                             <i>Cnemidaria choricarpa</i>
                                             <i>Cnemidaria decurrens</i>
                                                   [Hemistegia lucida]
                                             <i>Cnemidaria grandifolia</i>
                                             <i>Cnemidaria horrida</i>
                                             <i>Cnemidaria mutica</i>
                                               <i>Cnemidaria mutica var. chiricana</i>
                                               <i>Cnemidaria mutica var. contigua</i>
                                               <i>Cnemidaria mutica var. grandis</i>
                                               <i>Cnemidaria mutica var. mutica</i>
                                             <i>Cnemidaria rudis</i>
                                             <i>Cnemidaria sessilifolia</i>
                                             <i>Cnemidaria spectabilis</i>
                                             <i>Cnemidaria uleana</i>
                                     <i>Cyathea</i>
                                           [Cyathea conquisita]
                                           [Cyathea flava]
                                           [Cyathea goudeyi]
                                           [Cyathea pendula]
                                             <i>Alsophila acantha</i>
                                             <i>Alsophila adspersa</i>
                                             <i>Alsophila aperta</i>
                                             <i>Alsophila arbuscula</i>
                                                   [Trichipteris arbuscula]
                                             <i>Alsophila baroumba</i>
                                             <i>Alsophila campestrium</i>
                                             <i>Alsophila chamaedendron</i>
                                             <i>Alsophila conantiana</i>
                                             <i>Alsophila confinis</i>
                                             <i>Alsophila damazioi</i>
                                             <i>Alsophila esmeraldensis</i>
                                             <i>Alsophila fallacina</i>
                                             <i>Alsophila flexuosa</i>
                                             <i>Alsophila furcinervia</i>
                                             <i>Alsophila gastonyi</i>
                                             <i>Alsophila glaucifolia</i>
                                             <i>Alsophila guinleorum</i>
                                             <i>Alsophila hirsutissima</i>
                                                   [Alsophila hirsutissimaa]
                                             <i>Alsophila hoehneana</i>
                                             <i>Alsophila lilianiae</i>
                                             <i>Alsophila loubetiana</i>
                                             <i>Alsophila matthewii</i>
                                             <i>Alsophila minervae</i>
                                             <i>Alsophila monosticha</i>
                                             <i>Alsophila mostellaria</i>
                                             <i>Alsophila pabstii</i>
                                             <i>Alsophila reitzii</i>
                                             <i>Alsophila roquettei</i>
                                             <i>Alsophila serrae</i>
                                             <i>Alsophila speciosa</i>
                                             <i>Cyathea abbottii</i>
                                                   [Alsophila abbottii]
                                             <i>Cyathea abitaguensis</i>
                                             <i>Cyathea abreviata</i>
                                             <i>Cyathea acanthomelas</i>
                                                   [Alsophila sternbergii var. acanthomelas]
                                             <i>Cyathea acanthophora</i>
                                                   [Alsophila acanthophora]
                                             <i>Cyathea aciculosa</i>
                                                   [Sphaeropteris aciculosa]
                                             <i>Cyathea acrostichoides</i>
                                                   [Alsophila acrostichoides]
                                             <i>Cyathea acuminata</i>
                                                   [Alsophila acuminata]
                                             <i>Cyathea acutidens</i>
                                             <i>Cyathea acutula</i>
                                               <i>Cyathea acutula var. acutula</i>
                                               <i>Cyathea acutula var. deltoidea</i>
                                               <i>Cyathea acutula var. rufescens</i>
                                             <i>Cyathea adenochlamys</i>
                                             <i>Cyathea aemula</i>
                                             <i>Cyathea aeneifolia</i>
                                               <i>Cyathea aeneifolia var. aeneifolia</i>
                                               <i>Cyathea aeneifolia var. macrophylla</i>
                                                     [Sphaeropteris aeneifolia var. macrophylla]
                                             <i>Cyathea affinis</i>
                                             <i>Cyathea agatheti</i>
                                                   [Sphaeropteris agatheti]
                                             <i>Cyathea akawaiorum</i>
                                             <i>Cyathea alata</i>
                                                   [Alsophila alata]
                                             <i>Cyathea alatissima</i>
                                                   [Cnemidaria alatissima]
                                             <i>Cyathea albida</i>
                                             <i>Cyathea albidopaleata</i>
                                                   [Trichipteris albidopaleata]
                                             <i>Cyathea albidosquamata</i>
                                                   [Sphaeropteris albidosquamata]
                                             <i>Cyathea albifrons</i>
                                                   [Sphaeropteris albifrons]
                                             <i>Cyathea albomarginata</i>
                                             <i>Cyathea albosetacea</i>
                                                   [Sphaeropteris albosetacea]
                                             <i>Cyathea alderwereltii</i>
                                                   [Alsophila alderwereltii]
                                             <i>Cyathea alleniae</i>
                                                   [Alsophila alleniae]
                                             <i>Cyathea alpicola</i>
                                                   [Alsophila alpina]
                                                   [Cyathea alpina]
                                             <i>Cyathea alsophila</i>
                                               <i>Cyathea alsophila var. alsophila</i>
                                               <i>Cyathea alsophila var. villosa</i>
                                             <i>Cyathea alstonii</i>
                                             <i>Cyathea alta</i>
                                                   [Alsophila alta]
                                             <i>Cyathea alternans</i>
                                                   [Sphaeropteris alternans]
                                             <i>Cyathea alticola</i>
                                                   [Alsophila alticola]
                                             <i>Cyathea alutacea</i>
                                                   [Cyathea phalerata var. alutacea]
                                             <i>Cyathea amabilis</i>
                                                   [Cnemidaria amabilis]
                                             <i>Cyathea amboinensis</i>
                                             <i>Cyathea ameristoneura</i>
                                             <i>Cyathea andersonii</i>
                                             <i>Cyathea andicola</i>
                                                   [Cnemidaria quitensis]
                                                   [Hemitelia quitensis]
                                             <i>Cyathea andina</i>
                                                   [Cyathea circumdata]
                                                   [Cyathea circumdentata]
                                                   [Hemitelia andina]
                                             <i>Cyathea andohahelensis</i>
                                                   [Alsophila andohalelensis]
                                             <i>Cyathea aneitensis</i>
                                                   [Alsophila aneitensis]
                                                   [Cyathea laciniata]
                                             <i>Cyathea angiensis</i>
                                                   [Sphaeropteris angiensis]
                                             <i>Cyathea angustipinna</i>
                                                   [Sphaeropteris angustipinna]
                                             <i>Cyathea annae</i>
                                                   [Alsophila annae]
                                             <i>Cyathea apiculata</i>
                                                   [Alsophila apiculata]
                                             <i>Cyathea apoensis</i>
                                                   [Alsophila apoensis]
                                             <i>Cyathea appendiculata</i>
                                                   [Alsophila appendiculata]
                                             <i>Cyathea approximata</i>
                                                   [Alsophila approximata]
                                                   [Cyathea approximata var. sorisquamata]
                                               <i>Cyathea approximata var. approximata</i>
                                             <i>Cyathea aquilina</i>
                                             <i>Cyathea aramaganensis</i>
                                                   [Sphaeropteris aramaganensis]
                                             <i>Cyathea arborea</i>
                                                   [Polypodium arboreum]
                                               <i>Cyathea arborea var. arborea</i>
                                               <i>Cyathea arborea var. pusilla</i>
                                               <i>Cyathea arborea var. regnellii</i>
                                               <i>Cyathea arborea var. sternbergii</i>
                                             <i>Cyathea arbuscula</i>
                                             <i>Cyathea archboldii</i>
                                                   [Alsophila archboldii var. horrida]
                                                   [Alsophila archboldii]
                                             <i>Cyathea arfakensis</i>
                                             <i>Cyathea aristata</i>
                                             <i>Cyathea armata</i>
                                                   [Alsophila hirta]
                                                   [Alsophila swartziana]
                                             <i>Cyathea arnecornelii</i>
                                             <i>Cyathea ars</i>
                                             <i>Cyathea arthropoda</i>
                                                   [Sphaeropteris arthropoda]
                                             <i>Cyathea ascendens</i>
                                             <i>Cyathea aspera</i>
                                                   [Alsophila aspera]
                                                   [Alsophila nitens]
                                                   [Cyathea aspera var. aculeata]
                                                   [Cyathea aspera var. aspera]
                                                   [Cyathea nitidula]
                                                   [Polypodium alsophilum]
                                             <i>Cyathea asplenioides</i>
                                             <i>Cyathea assimilis</i>
                                                   [Sphaeropteris assimilis]
                                             <i>Cyathea assurgens</i>
                                             <i>Cyathea atahuallpa</i>
                                                   [Cyathea atahualpa]
                                                   [Sphaeropteris atahuallpa]
                                             <i>Cyathea aterrima</i>
                                                   [Alsophila lechria]
                                                   [Alsophila scopulina]
                                                   [Sphaeropteris aterrima]
                                             <i>Cyathea atrispora</i>
                                             <i>Cyathea atrocastanea</i>
                                             <i>Cyathea atropurpurea</i>
                                             <i>Cyathea atrospinosa</i>
                                                   [Sphaeropteris atrospinosa]
                                             <i>Cyathea atrovirens</i>
                                                   [Alsophila atrovirens f. acuminata]
                                                   [Alsophila atrovirens var. acuminata]
                                                   [Alsophila atrovirens var. ciliato-palacea]
                                                   [Alsophila atrovirens var. elongata]
                                                   [Alsophila atrovirens var. furcativenia]
                                                   [Alsophila atrovirens var. major]
                                                   [Alsophila atrovirens var. minor]
                                                   [Alsophila atrovirens var. patula]
                                                   [Alsophila atrovirens var. rigida]
                                                   [Alsophila atrovirens var. squamulosa]
                                                   [Alsophila atrovirens var. subcordata]
                                                   [Alsophila atrovirens]
                                                   [Alsophila kleinii]
                                                   [Alsophila leptocladia]
                                                   [Alsophila miquelii]
                                                   [Alsophila proceroides]
                                                   [Alsophila radens]
                                                   [Alsophila verruculosa]
                                                   [Cyathea atrovirens var. minor]
                                                   [Trichipteris atrovirens]
                                             <i>Cyathea atrox</i>
                                               <i>Cyathea atrox var. atrox</i>
                                               <i>Cyathea atrox var. inermis</i>
                                             <i>Cyathea aurea</i>
                                             <i>Cyathea auriculata</i>
                                                   [Alsophila auriculata]
                                             <i>Cyathea auriculifera</i>
                                                   [Sphaeropteris auriculifera]
                                             <i>Cyathea australis</i>
                                               <i>Cyathea australis subsp. australis</i>
                                                     [Alsophila australis subsp. australis]
                                                     [Cyathea australis var. australis]
                                                     [Cyathea australis var. glauca]
                                               <i>Cyathea australis subsp. norfolkensis</i>
                                                     [Alsophila australis subsp. norfolkiensis]
                                             <i>Cyathea austroamericana</i>
                                             <i>Cyathea austropallescens</i>
                                             <i>Cyathea austrosinica</i>
                                             <i>Cyathea axillaris</i>
                                                   [Alsophila leucolepis]
                                             <i>Cyathea azuayensis</i>
                                             <i>Cyathea baileyana</i>
                                                   [Alsophila baileyana]
                                             <i>Cyathea balakrishnanii</i>
                                             <i>Cyathea balanocarpa</i>
                                                   [Alsophila balanocarpa]
                                             <i>Cyathea barotu</i>
                                             <i>Cyathea barringtonii</i>
                                             <i>Cyathea basiliaris</i>
                                             <i>Cyathea basirotundata</i>
                                             <i>Cyathea batesii</i>
                                             <i>Cyathea batjanensis</i>
                                                   [Alsophila batjanensis]
                                             <i>Cyathea bella</i>
                                                   [Cnemidaria bella]
                                             <i>Cyathea bellisquamata</i>
                                               <i>Cyathea bellisquamata var. ambrensis</i>
                                               <i>Cyathea bellisquamata var. australis</i>
                                               <i>Cyathea bellisquamata var. basilobata</i>
                                                     [Alsophila bellisquamata var. basilobata]
                                               <i>Cyathea bellisquamata var. bellisquamata</i>
                                             <i>Cyathea bernardii</i>
                                             <i>Cyathea bicrenata</i>
                                                   [Alsophila pansamalana]
                                                   [Alsophila scabriuscula]
                                                   [Alsophila stipularis]
                                                   [Cyathea aphlebioides]
                                                   [Cyathea stipularis]
                                                   [Cyathea trichiata]
                                                   [Trichipteris scabriuscula]
                                                   [Trichipteris stipularis]
                                                   [Trichipteris trichiata]
                                             <i>Cyathea biformis</i>
                                                   [Alsophila biformis]
                                             <i>Cyathea bilineata</i>
                                             <i>Cyathea binuangensis</i>
                                                   [Sphaeropteris binuangensis]
                                             <i>Cyathea bipinnata</i>
                                             <i>Cyathea bipinnatifida</i>
                                                   [Cyathea pubens]
                                             <i>Cyathea bisquamata</i>
                                             <i>Cyathea blechnoides</i>
                                                   [Cyathea blechnoides var. parkeri]
                                             <i>Cyathea boivinii</i>
                                                   [Cyathea boivini]
                                               <i>Cyathea boivinii var. andringitrensis</i>
                                               <i>Cyathea boivinii var. bevolo</i>
                                               <i>Cyathea boivinii var. boivinii</i>
                                                     [Cyathea boivini var. boivini]
                                                     [Cyathea boivini var. humblotii]
                                               <i>Cyathea boivinii var. hildebrandtii</i>
                                               <i>Cyathea boivinii var. parahildebrandtii</i>
                                             <i>Cyathea boiviniiformis</i>
                                                   [Cyathea bullata var. bullata]
                                                   [Cyathea bullata]
                                               <i>Cyathea boiviniiformis var. boiviniiformis</i>
                                               <i>Cyathea boiviniiformis var. lobata</i>
                                                     [Cyathea bullata var. lobata]
                                               <i>Cyathea boiviniiformis var. madagascarica</i>
                                                     [Cyathea bullata var. madagascarica]
                                             <i>Cyathea borbonica</i>
                                             <i>Cyathea borinquena</i>
                                                   [Alsophila borinquena]
                                             <i>Cyathea borneensis</i>
                                                   [Alsophila borneensis]
                                             <i>Cyathea boryana</i>
                                             <i>Cyathea brachyphylla</i>
                                             <i>Cyathea brackenridgei</i>
                                                   [Sphaeropteris brackenridgei]
                                             <i>Cyathea bradei</i>
                                             <i>Cyathea brevipinna</i>
                                                   [Alsophila brevipinna]
                                                   [Cyathea brevipinnata]
                                             <i>Cyathea brittoniana</i>
                                             <i>Cyathea brooksii</i>
                                             <i>Cyathea brownii</i>
                                                   [Sphaeropteris excelsa]
                                               <i>Cyathea brownii var. brownii</i>
                                             <i>Cyathea brucei</i>
                                             <i>Cyathea brunei</i>
                                             <i>Cyathea brunnescens</i>
                                             <i>Cyathea brunoniana</i>
                                                   [Sphaeropteris brunoniana]
                                             <i>Cyathea brunonis</i>
                                             <i>Cyathea bryophila</i>
                                             <i>Cyathea buennemeijerii</i>
                                                   [Alsophila buennemeijeri]
                                             <i>Cyathea callosa</i>
                                                   [Alsophila callosa]
                                             <i>Cyathea calolepis</i>
                                                   [Hemitelia calolepis]
                                             <i>Cyathea camerooniana</i>
                                                   [Alsophila camerooniana var. camerooniana]
                                                   [Alsophila camerunensis]
                                               <i>Cyathea camerooniana var. aethiopica</i>
                                                     [Alsophila aethiopica]
                                                     [Alsophila congoensis]
                                                     [Cyathea principis]
                                               <i>Cyathea camerooniana var. camerooniana</i>
                                               <i>Cyathea camerooniana var. congi</i>
                                                     [Alsophila camerooniana var. congi]
                                                     [Cyathea canaliculata var. congi]
                                                     [Cyathea caniculata]
                                               <i>Cyathea camerooniana var. currorii</i>
                                                     [Alsophila camerooniana var. currorii]
                                               <i>Cyathea camerooniana var. occidentalis</i>
                                                     [Alsophila camerooniana var. occidentalis]
                                               <i>Cyathea camerooniana var. ugandensis</i>
                                                     [Alsophila camerooniana var. ugandensis]
                                                     [Cyathea borbonica var. continentalis]
                                               <i>Cyathea camerooniana var. zenkeri</i>
                                                     [Alsophila camerooniana var. zenkeri]
                                                     [Alsophila zenkeri]
                                                     [Cyathea aethiopica var. zenkeri]
                                                     [Cyathea zenkeri]
                                             <i>Cyathea camerunensis</i>
                                             <i>Cyathea canaliculata</i>
                                             <i>Cyathea canelensis</i>
                                             <i>Cyathea capensis</i>
                                               <i>Cyathea capensis var. capensis</i>
                                                     [Alsophila capensis subsp. capensis]
                                                     [Alsophila capensis]
                                               <i>Cyathea capensis var. polypodioides</i>
                                                     [Alsophila capensis var. polypodiodes]
                                             <i>Cyathea capitata</i>
                                                   [Sphaeropteris capitata]
                                             <i>Cyathea caracasana</i>
                                                   [Cyathea caracasana var. meridensis]
                                               <i>Cyathea caracasana var. caracasana</i>
                                               <i>Cyathea caracasana var. chimborazensis</i>
                                               <i>Cyathea caracasana var. maxonii</i>
                                                     [Cyathea maxonii]
                                             <i>Cyathea carolihenrici</i>
                                             <i>Cyathea carrii</i>
                                                   [Sphaeropteris carrii]
                                             <i>Cyathea catacampta</i>
                                             <i>Cyathea catillifera</i>
                                                   [Alsophila catillifera]
                                             <i>Cyathea caudata</i>
                                             <i>Cyathea celebica</i>
                                                   [Alsophila celebica]
                                                   [Sphaeropteris celebica]
                                             <i>Cyathea cervantesiana</i>
                                             <i>Cyathea chimborazensis</i>
                                               <i>Cyathea chimborazensis var. maxonii</i>
                                             <i>Cyathea chinensis</i>
                                             <i>Cyathea chiricana</i>
                                               <i>Cyathea chiricana var. chiricana</i>
                                               <i>Cyathea chiricana var. contigua</i>
                                                     [Cnemidaria chiricana var. contigua]
                                             <i>Cyathea chocoensis</i>
                                                   [Cnemidaria chocoensis]
                                             <i>Cyathea chontilla</i>
                                             <i>Cyathea choricarpa</i>
                                             <i>Cyathea christii</i>
                                                   [Alsophila hermannii]
                                             <i>Cyathea cicatricosa</i>
                                                   [Alsophila cicatricosa]
                                             <i>Cyathea cincinnata</i>
                                                   [Alsophila cincinnata]
                                             <i>Cyathea cinerea</i>
                                                   [Alsophila cinerea]
                                             <i>Cyathea cnemidaria</i>
                                                   [Cnemidaria tryoniana]
                                             <i>Cyathea coactilis</i>
                                                   [Alsophila coactilis]
                                             <i>Cyathea cocleana</i>
                                                   [Cnemidaria cocleana]
                                             <i>Cyathea colensoi</i>
                                                   [Alsophila colensoi]
                                             <i>Cyathea compta</i>
                                             <i>Cyathea concava</i>
                                                   [Alsophila ballardii]
                                                   [Cyathea ballardii]
                                                   [Cyathea boivini var. concava]
                                             <i>Cyathea concinna</i>
                                                   [Cyathea concinna var. jamaicensis]
                                                   [Nephelea concinna]
                                             <i>Cyathea concordia</i>
                                             <i>Cyathea conferta</i>
                                             <i>Cyathea conformis</i>
                                                   [Hemitelia conformis]
                                             <i>Cyathea conjugata</i>
                                             <i>Cyathea consimilis</i>
                                                   [Cnemidaria consimilis]
                                             <i>Cyathea contaminans</i>
                                                   [Cyathea contaminans var. contaminans]
                                                   [Sphaeropteris glauca]
                                             <i>Cyathea cooperi</i>
                                             <i>Cyathea corallifera</i>
                                             <i>Cyathea corcovadensis</i>
                                                   [Alsophila elegans var. crenata]
                                                   [Alsophila elegans var. luederwaldtii]
                                                   [Alsophila elegans]
                                                   [Alsophila feeana]
                                                   [Alsophila taenitis]
                                                   [Trichipteris corcovadensis]
                                             <i>Cyathea coriacea</i>
                                             <i>Cyathea costalisora</i>
                                                   [Alsophila costalisora]
                                             <i>Cyathea costaricensis</i>
                                             <i>Cyathea costularis</i>
                                                   [Alsophila rolandii]
                                             <i>Cyathea costulisora</i>
                                                   [Alsophila montana]
                                                   [Cyathea costulisara]
                                             <i>Cyathea coursii</i>
                                                   [Alsophila coursii]
                                             <i>Cyathea crassa</i>
                                                   [Alsophila jimeneziana]
                                                   [Cyathea phalerata var. crassa]
                                                   [Nephelea crassa]
                                             <i>Cyathea crenata</i>
                                             <i>Cyathea crenulata</i>
                                             <i>Cyathea crinita</i>
                                                   [Sphaeropteris crinita]
                                             <i>Cyathea croftii</i>
                                             <i>Cyathea cruciata</i>
                                                   [Cnemidaria cruciata]
                                             <i>Cyathea ctenitoides</i>
                                                   [Hymenophyllopsis ctenitoides]
                                             <i>Cyathea cuatrecasasii</i>
                                                   [Sphaeropteris cuatrecasasii]
                                             <i>Cyathea cubensis</i>
                                                   [Alsophila cubensis]
                                                   [Cyathea woodwardioides var. cubensis]
                                             <i>Cyathea cucullifera</i>
                                                   [Alsophila cucullifera]
                                             <i>Cyathea cumingii</i>
                                             <i>Cyathea cunninghamii</i>
                                                   [Alsophila cunninghamii]
                                             <i>Cyathea curranii</i>
                                                   [Alsophila curranii]
                                                   [Sphaeropteris curranii]
                                             <i>Cyathea cuspidata</i>
                                                   [Cyathea hassleriana]
                                             <i>Cyathea cyatheoides</i>
                                                   [Cyathea multiflora var. hostmannii]
                                                   [Hemitelia hostmanii]
                                             <i>Cyathea cyclodium</i>
                                             <i>Cyathea cyclopodium</i>
                                             <i>Cyathea cystolepis</i>
                                               <i>Cyathea cystolepis var. boreopallescens</i>
                                               <i>Cyathea cystolepis var. cystolepis</i>
                                               <i>Cyathea cystolepis var. leonis</i>
                                             <i>Cyathea darienensis</i>
                                             <i>Cyathea dealbata</i>
                                             <i>Cyathea deckenii</i>
                                                   [Alsophila deckenii]
                                             <i>Cyathea decomposita</i>
                                             <i>Cyathea decora</i>
                                             <i>Cyathea decorata</i>
                                             <i>Cyathea decrescens</i>
                                               <i>Cyathea decrescens var. cristata</i>
                                               <i>Cyathea decrescens var. decrescens</i>
                                                     [Cyathea decrescens var. hirsutifolia]
                                               <i>Cyathea decrescens var. manongarivensis</i>
                                               <i>Cyathea decrescens var. quadrata</i>
                                                     [Cyathea quadrata var. quadrata]
                                             <i>Cyathea decurrens</i>
                                               <i>Cyathea decurrens var. decurrens</i>
                                               <i>Cyathea decurrens var. vaupelii</i>
                                                     [Alsophila decurrens var. vaupelii]
                                             <i>Cyathea decurrentiloba</i>
                                                   [Cyathea guatemalensis]
                                                   [Cyathea lucida]
                                                   [Hemitelia guatemalensis]
                                             <i>Cyathea dejecta</i>
                                                   [Hymenophyllopsis dejecta]
                                                   [Hymenophyllum dejectum]
                                             <i>Cyathea delgadii</i>
                                                   [Cyathea bahiensis]
                                                   [Cyathea copelandii]
                                                   [Cyathea denticulata]
                                                   [Cyathea feei]
                                                   [Cyathea hirtula var. multisorosa]
                                                   [Cyathea hirtula]
                                                   [Cyathea micromera]
                                                   [Cyathea pilosa]
                                                   [Cyathea schanschin var. brasiliensis]
                                                   [Cyathea schanschin var. fulva]
                                                   [Cyathea trindadensis]
                                             <i>Cyathea delicatula</i>
                                             <i>Cyathea deminuens</i>
                                                   [Sphaeropteris parvifolia]
                                             <i>Cyathea demissa</i>
                                               <i>Cyathea demissa var. demissa</i>
                                               <i>Cyathea demissa var. thysanolepis</i>
                                             <i>Cyathea dichromatolepis</i>
                                                   [Alsophila guimaraensis]
                                                   [Alsophila mesocarpa]
                                                   [Alsophila pallida]
                                                   [Cyathea guimariensis]
                                             <i>Cyathea dicksonioides</i>
                                                   [Alsophila dicksonioides]
                                             <i>Cyathea dielsii</i>
                                             <i>Cyathea dilatata</i>
                                             <i>Cyathea dimorpha</i>
                                                   [Alsophila dimorpha]
                                             <i>Cyathea dintelmannii</i>
                                             <i>Cyathea discophora</i>
                                                   [Sphaeropteris discophora]
                                             <i>Cyathea dissimilis</i>
                                             <i>Cyathea dissoluta</i>
                                             <i>Cyathea divergens</i>
                                                   [Cyathea subaspera]
                                               <i>Cyathea divergens var. divergens</i>
                                                     [Cyathea petiolulata]
                                               <i>Cyathea divergens var. tuerckheimii</i>
                                                     [Cyathea jurgensenii]
                                             <i>Cyathea doctersii</i>
                                                   [Alsophila doctersii]
                                             <i>Cyathea dombeyi</i>
                                                   [Trichipteris dombeyi]
                                             <i>Cyathea dregei</i>
                                                   [Alsophila dregei var. polyphlebia]
                                                   [Alsophila dregei var. segregata]
                                                   [Alsophila dregei]
                                                   [Cyathea angolensis]
                                                   [Cyathea burkei]
                                                   [Cyathea dredgei]
                                                   [Cyathea dregei var. polyphlebia]
                                                   [Cyathea dregei var. segregata]
                                                   [Cyathea flavovirens]
                                               <i>Cyathea dregei var. burkei</i>
                                               <i>Cyathea dregei var. dregei</i>
                                             <i>Cyathea dryopteroides</i>
                                             <i>Cyathea dudleyi</i>
                                             <i>Cyathea dyeri</i>
                                             <i>Cyathea eatoni</i>
                                             <i>Cyathea ebenina</i>
                                             <i>Cyathea ecuadorensis</i>
                                             <i>Cyathea edanoi</i>
                                                   [Alsophila edanoi]
                                             <i>Cyathea eggersii</i>
                                             <i>Cyathea elliottii</i>
                                             <i>Cyathea elliptica</i>
                                                   [Sphaeropteris elliptica]
                                             <i>Cyathea elmeri</i>
                                                   [Sphaeropteris elmeri]
                                             <i>Cyathea elongata</i>
                                                   [Alsophila engelii]
                                             <i>Cyathea emilei</i>
                                               <i>Cyathea emilei var. dauphinensis</i>
                                               <i>Cyathea emilei var. emilei</i>
                                                     [Alsophila borbonica var. latifolia]
                                                     [Cyathea borbonica var. borbonica]
                                                     [Cyathea borbonica var. latifolia]
                                                     [Cyathea borbonica var. sevathiana]
                                             <i>Cyathea epaleata</i>
                                             <i>Cyathea erinacea</i>
                                             <i>Cyathea eriophora</i>
                                                   [Alsophila eriophora]
                                             <i>Cyathea escuquensis</i>
                                             <i>Cyathea estelae</i>
                                                   [Trichipteris estelae]
                                             <i>Cyathea everta</i>
                                                   [Alsophila everta]
                                             <i>Cyathea ewanii</i>
                                                   [Cnemidaria ewanii]
                                             <i>Cyathea excavata</i>
                                                   [Alsophila excavata]
                                             <i>Cyathea excelsa</i>
                                                   [Alsophila celsa]
                                             <i>Cyathea exilis</i>
                                             <i>Cyathea fadenii</i>
                                                   [Alsophila schliebenii]
                                             <i>Cyathea falcata</i>
                                             <i>Cyathea fauriei</i>
                                             <i>Cyathea feani</i>
                                                   [Sphaeropteris feani]
                                             <i>Cyathea feeana</i>
                                             <i>Cyathea felina</i>
                                                   [Cyathea felinum]
                                                   [Sphaeropteris felina]
                                             <i>Cyathea fenicis</i>
                                                   [Alsophila fenicis]
                                             <i>Cyathea ferruginea</i>
                                                   [Alsophila ferruginea]
                                             <i>Cyathea foersteri</i>
                                                   [Alsophila foersteri]
                                             <i>Cyathea frigida</i>
                                             <i>Cyathea frondosa</i>
                                             <i>Cyathea fugax</i>
                                                   [Sphaeropteris fugax]
                                             <i>Cyathea fulgens</i>
                                                   [Alsophila fulgens]
                                             <i>Cyathea fuliginosa</i>
                                             <i>Cyathea fulva</i>
                                                   [Alsophila fulva]
                                                   [Cyathea asperula]
                                                   [Cyathea conspersa]
                                             <i>Cyathea furfuracea</i>
                                             <i>Cyathea fusca</i>
                                                   [Sphaeropteris fusca]
                                             <i>Cyathea gardneri</i>
                                             <i>Cyathea gazellae</i>
                                             <i>Cyathea geluensis</i>
                                                   [Alsophila geluensis]
                                             <i>Cyathea gibbosa</i>
                                             <i>Cyathea gigantea</i>
                                                   [Alsophila gigantea var. polynervata]
                                                   [Alsophila gigantea]
                                                   [Cyathea pectinata]
                                                   [Cyathea pseudogigantea]
                                                   [Cyathea tinganensis]
                                             <i>Cyathea glaberrima</i>
                                                   [Alsophila glaberrima]
                                             <i>Cyathea glabra</i>
                                             <i>Cyathea glandulifera</i>
                                                   [Cnemidaria glandulosa]
                                             <i>Cyathea glauca</i>
                                             <i>Cyathea glaziovii</i>
                                             <i>Cyathea gleichenioides</i>
                                                   [Alsophila gleichenioides]
                                             <i>Cyathea godeffroyi</i>
                                             <i>Cyathea godmanii</i>
                                                   [Alsophila mexicana]
                                                   [Trichipteris mexicana]
                                             <i>Cyathea gracilis</i>
                                             <i>Cyathea grandifolia</i>
                                                   [Hemitelia grandifolia]
                                               <i>Cyathea grandifolia var. grandifolia</i>
                                                     [Cnemidaria grandifolia var. grandifolia]
                                                     [Cnemidaria grandifolia var. obtusa]
                                                     [Hemitelia imrayana]
                                               <i>Cyathea grandifolia var. munita</i>
                                             <i>Cyathea grangaudiana</i>
                                             <i>Cyathea grantii</i>
                                             <i>Cyathea grata</i>
                                             <i>Cyathea grayumii</i>
                                             <i>Cyathea gregaria</i>
                                                   [Alsophila gregaria]
                                             <i>Cyathea grevilleana</i>
                                                   [Cyathea elegans]
                                             <i>Cyathea guentheriana</i>
                                             <i>Cyathea guianensis</i>
                                             <i>Cyathea hainanensis</i>
                                                   [Sphaeropteris hainanensis]
                                             <i>Cyathea halconensis</i>
                                                   [Alsophila halconensis]
                                             <i>Cyathea hallieri</i>
                                             <i>Cyathea halonata</i>
                                             <i>Cyathea hancockii</i>
                                                   [Alsophila denticulata]
                                             <i>Cyathea harrisii</i>
                                             <i>Cyathea haughtii</i>
                                                   [Alsophila haughtii]
                                             <i>Cyathea havilandii</i>
                                                   [Alsophila havilandii]
                                             <i>Cyathea hebes</i>
                                             <i>Cyathea heliophila</i>
                                             <i>Cyathea hemiepiphytica</i>
                                             <i>Cyathea henryi</i>
                                                   [Alsophila henryi]
                                             <i>Cyathea herzogii</i>
                                             <i>Cyathea heterochlamydea</i>
                                                   [Alsophila heterochlamydea]
                                                   [Alsophila hooglandii]
                                                   [Hemitelia heterochlamydea]
                                             <i>Cyathea hildebrandtii</i>
                                             <i>Cyathea hirsuta</i>
                                                   [Trichipteris armata]
                                             <i>Cyathea hirta</i>
                                             <i>Cyathea hispida</i>
                                             <i>Cyathea hodgeana</i>
                                             <i>Cyathea holdridgeana</i>
                                             <i>Cyathea holdrigeana</i>
                                             <i>Cyathea hombersleyi</i>
                                             <i>Cyathea hooglandii</i>
                                             <i>Cyathea hookeri</i>
                                                   [Alsophila hookeri]
                                             <i>Cyathea hornei</i>
                                             <i>Cyathea horrida</i>
                                             <i>Cyathea horridula</i>
                                                   [Alsophila horridula]
                                             <i>Cyathea hortulanea</i>
                                                   [Cyathea hortuleana]
                                             <i>Cyathea hotteana</i>
                                                   [Alsophila hotteana]
                                             <i>Cyathea howeana</i>
                                             <i>Cyathea humbertiana</i>
                                                   [Alsophila humbertiana]
                                             <i>Cyathea humilis</i>
                                                   [Alsophila holstii]
                                                   [Alsophila stuhlmannii]
                                                   [Cyathea opizii]
                                                   [Cyathea stuhlmannii]
                                                   [Cyathea ulugurensis]
                                               <i>Cyathea humilis var. humilis</i>
                                               <i>Cyathea humilis var. pycnophylla</i>
                                                     [Alsophila humilis var. pycnophylla]
                                             <i>Cyathea hunsteiniana</i>
                                                   [Alsophila brausei]
                                             <i>Cyathea hymenodes</i>
                                                   [Alsophila hymenodes]
                                             <i>Cyathea hymenophylloides</i>
                                                   [Hymenophyllopsis hymenophylloides]
                                             <i>Cyathea imbricata</i>
                                                   [Alsophila imbricata]
                                             <i>Cyathea impar</i>
                                             <i>Cyathea impolita</i>
                                               <i>Cyathea impolita var. impolita</i>
                                               <i>Cyathea impolita var. michelii</i>
                                             <i>Cyathea inaequalis</i>
                                                   [Sphaeropteris inaequalis]
                                             <i>Cyathea incana</i>
                                                   [Cyathea canescens]
                                                   [Cyathea sprucei]
                                             <i>Cyathea incisoserrata</i>
                                                   [Alsophila incisoserrata]
                                             <i>Cyathea incognita</i>
                                                   [Hymenophyllopsis incognita]
                                             <i>Cyathea inermis</i>
                                             <i>Cyathea inheringii</i>
                                             <i>Cyathea inquinans</i>
                                                   [Alsophila inquinans]
                                             <i>Cyathea insignis</i>
                                             <i>Cyathea insulana</i>
                                                   [Alsophila insulana]
                                             <i>Cyathea insularum</i>
                                                   [Sphaeropteris insularum]
                                             <i>Cyathea integra</i>
                                                   [Cyathea integra var. integra]
                                                   [Sphaeropteris integra]
                                             <i>Cyathea intermedia</i>
                                                   [Sphaeropteris intermedia]
                                             <i>Cyathea intramarginalis</i>
                                             <i>Cyathea isaloensis</i>
                                             <i>Cyathea ivohibensis</i>
                                                   [Alsophila quadrata var. ivohibensis]
                                                   [Cyathea quadrata var. ivohibensis]
                                             <i>Cyathea jacobsii</i>
                                             <i>Cyathea jamaicensis</i>
                                             <i>Cyathea javanica</i>
                                                   [Alsophila javanica]
                                             <i>Cyathea jivariensis</i>
                                             <i>Cyathea junghuhniana</i>
                                                   [Hemitelia junghuhniana]
                                             <i>Cyathea kalbreyeri</i>
                                                   [Trichipteris kalbreyeri]
                                             <i>Cyathea kanehirae</i>
                                             <i>Cyathea karsteniana</i>
                                                   [Cnemidaria karsteniana]
                                             <i>Cyathea kermadecensis</i>
                                                   [Alsophila kermadecensis]
                                             <i>Cyathea khasyana</i>
                                             <i>Cyathea kirkii</i>
                                                   [Alsophila kirkii]
                                             <i>Cyathea klossii</i>
                                                   [Alsophila klossi]
                                             <i>Cyathea lamoureuxii</i>
                                             <i>Cyathea lamprocaulis</i>
                                             <i>Cyathea lasiosora</i>
                                                   [Alsophila killipii]
                                                   [Alsophila mapiriensis]
                                                   [Trichipteris nigra]
                                             <i>Cyathea lastii</i>
                                                   [Alsophila lastii]
                                             <i>Cyathea latebrosa</i>
                                                   [Alsophila latebrosa]
                                                   [Cyathea tsangii]
                                             <i>Cyathea latevagans</i>
                                             <i>Cyathea lathamii</i>
                                             <i>Cyathea latipinnula</i>
                                                   [Alsophila latipinnula]
                                             <i>Cyathea lechleri</i>
                                                   [Cyathea castanea]
                                             <i>Cyathea ledermannii</i>
                                                   [Sphaeropteris ledermannii var. quadripinnata]
                                                   [Sphaeropteris ledermannii]
                                             <i>Cyathea leichhardtiana</i>
                                                   [Alsophila leichhardtiana]
                                                   [Cyathea leichhardtiana var. leichhardtiana]
                                             <i>Cyathea lepidoclada</i>
                                                   [Alsophila lepidoclada]
                                             <i>Cyathea lepifera</i>
                                                   [Sphaeropteris lepifera]
                                             <i>Cyathea leprieurii</i>
                                             <i>Cyathea leptochlamys</i>
                                                   [Alsophila leptochlamys]
                                             <i>Cyathea leschenaultiana</i>
                                             <i>Cyathea leucofolis</i>
                                             <i>Cyathea leucolepis</i>
                                                   [Sphaeropteris leucolepis]
                                             <i>Cyathea leucolepismata</i>
                                                   [Cyathea amazonica]
                                             <i>Cyathea leucotricha</i>
                                                   [Sphaeropteris leucotricha]
                                             <i>Cyathea lewisii</i>
                                             <i>Cyathea liesneri</i>
                                             <i>Cyathea ligulata</i>
                                                   [Alsophila ligulata]
                                             <i>Cyathea lindeniana</i>
                                             <i>Cyathea lindigii</i>
                                             <i>Cyathea lindsayana</i>
                                             <i>Cyathea lisyae</i>
                                                   [Cyathea lisiae]
                                             <i>Cyathea lockwoodiana</i>
                                                   [Sphaeropteris lockwoodiana]
                                             <i>Cyathea loerzingii</i>
                                                   [Alsophila loerzingii]
                                             <i>Cyathea loheri</i>
                                                   [Alsophila loheri]
                                             <i>Cyathea longipes</i>
                                                   [Alsophila longipes]
                                             <i>Cyathea longipinnata</i>
                                                   [Alsophila longipinnata]
                                             <i>Cyathea longispina</i>
                                             <i>Cyathea lunulata</i>
                                                   [Alsophila ponapeana]
                                                   [Alsophila veitchii]
                                                   [Alsophila vitiensis]
                                                   [Cyathea lunulata var. lunulata]
                                                   [Sphaeropteris lunulata subsp. lunulata]
                                                   [Sphaeropteris lunulata subsp. vitiensis]
                                             <i>Cyathea lurida</i>
                                                   [Alsophila lurida]
                                             <i>Cyathea macarthurii</i>
                                                   [Alsophila ferdinandii]
                                                   [Alsophila ferinandii]
                                             <i>Cyathea macgillivrayi</i>
                                                   [Alsophila macgillivraryi]
                                             <i>Cyathea macgregorii</i>
                                                   [Alsophila macgregorii]
                                             <i>Cyathea macrocarpa</i>
                                             <i>Cyathea macrophylla</i>
                                               <i>Cyathea macrophylla var. macrophylla</i>
                                               <i>Cyathea macrophylla var. quadripinnata</i>
                                             <i>Cyathea macropoda</i>
                                                   [Alsophila macropoda]
                                             <i>Cyathea macrosora</i>
                                                   [Cyathea macrosora var. macrosora]
                                             <i>Cyathea madagascarica</i>
                                                   [Alsophila matitanensis]
                                             <i>Cyathea madagascariensis</i>
                                                   [Cyathea borbonica var. madagascariensis]
                                             <i>Cyathea magna</i>
                                                   [Sphaeropteris magna]
                                             <i>Cyathea magnifolia</i>
                                                   [Alsophila magnifolia]
                                             <i>Cyathea maguirei</i>
                                             <i>Cyathea manniana</i>
                                                   [Alsophila manniana]
                                                   [Cyathea engleri]
                                                   [Cyathea laurentiorum]
                                                   [Cyathea manniana var. preussii]
                                                   [Cyathea preussii]
                                                   [Cyathea sellae]
                                                   [Cyathea usambarensis]
                                             <i>Cyathea mapahuwensis</i>
                                             <i>Cyathea marattioides</i>
                                                   [Alsophila marattioides]
                                             <i>Cyathea marginalis</i>
                                                   [Alsophila marginalis]
                                                   [Sphaeropteris marginalis]
                                             <i>Cyathea marginata</i>
                                                   [Sphaeropteris marginata]
                                             <i>Cyathea marshalliana</i>
                                             <i>Cyathea masapilidensis</i>
                                                   [Alsophila masapilidensis]
                                             <i>Cyathea mastersiana</i>
                                             <i>Cyathea media</i>
                                                   [Alsophila media]
                                             <i>Cyathea medullaris</i>
                                                   [Cyathea societarum]
                                                   [Sphaeropteris medullaris]
                                             <i>Cyathea megalosora</i>
                                                   [Sphaeropteris megalosora]
                                             <i>Cyathea melanacantha</i>
                                                   [Cyathea aeneifolia var. melancantha]
                                                   [Sphaeropteris aeneifolia var. melancantha]
                                             <i>Cyathea melanocaula</i>
                                             <i>Cyathea melleri</i>
                                                   [Alsophila melleri]
                                                   [Cyathea glandulosa]
                                                   [Cyathea melleri var. virescens]
                                               <i>Cyathea melleri var. melleri</i>
                                             <i>Cyathea mello-baroetoi</i>
                                             <i>Cyathea meridensis</i>
                                               <i>Cyathea meridensis var. meridensis</i>
                                               <i>Cyathea meridensis var. nana</i>
                                               <i>Cyathea meridensis var. obtecta</i>
                                             <i>Cyathea meridionalis</i>
                                             <i>Cyathea mertensiana</i>
                                                   [Sphaeropteris mertensiana]
                                             <i>Cyathea mesosora</i>
                                                   [Alsophila mesosora]
                                             <i>Cyathea metteniana</i>
                                                   [Alsophila metteniana]
                                             <i>Cyathea mettenii</i>
                                               <i>Cyathea mettenii var. caucana</i>
                                               <i>Cyathea mettenii var. mettenii</i>
                                             <i>Cyathea mexiae</i>
                                                   [Trichipteris mexiae]
                                             <i>Cyathea microchlamys</i>
                                                   [Alsophila microchlamys]
                                             <i>Cyathea microdonta</i>
                                                   [Alsophila ferox]
                                                   [Trichipteris microdonta]
                                             <i>Cyathea microlepidota</i>
                                                   [Sphaeropteris microlepidota]
                                             <i>Cyathea microphylla</i>
                                             <i>Cyathea microphylloides</i>
                                                   [Alsophila microphylloides]
                                                   [Cyathea microphyllodes]
                                             <i>Cyathea miersii</i>
                                             <i>Cyathea mildbraedii</i>
                                                   [Alsophila mildbraedii]
                                             <i>Cyathea milnei</i>
                                                   [Alsophila milnei]
                                             <i>Cyathea minor</i>
                                                   [Alsophila minor]
                                                   [Alsophila tenuis]
                                                   [Cyathea tenuis]
                                             <i>Cyathea minuta</i>
                                             <i>Cyathea miquelii</i>
                                             <i>Cyathea modesta</i>
                                                   [Alsophila modesta]
                                             <i>Cyathea mollis</i>
                                             <i>Cyathea moluccana</i>
                                                   [Sphaeropteris moluccana]
                                             <i>Cyathea monilifera</i>
                                             <i>Cyathea monticola</i>
                                             <i>Cyathea moranii</i>
                                             <i>Cyathea moseleyi</i>
                                                   [Sphaeropteris moseleyi]
                                             <i>Cyathea mossambicensis</i>
                                                   [Alsophila campanulata]
                                                   [Alsophila mossabicensis]
                                                   [Alsophila mossambicensis]
                                                   [Cyathea holstii]
                                             <i>Cyathea mucilagina</i>
                                             <i>Cyathea muelleri</i>
                                                   [Alsophila muelleri]
                                             <i>Cyathea multiflora</i>
                                                   [Cyathea alfonsiana]
                                                   [Cyathea alphonsiana]
                                                   [Cyathea multiflora var. multiflora]
                                             <i>Cyathea multisegmenta</i>
                                             <i>Cyathea munita</i>
                                             <i>Cyathea murkelensis</i>
                                             <i>Cyathea mutica</i>
                                                   [Hemitelia subglabra]
                                               <i>Cyathea mutica var. grandis</i>
                                                     [Cnemidaria grandis]
                                                     [Hemitelia grandis]
                                                     [Hemitelia rudis]
                                               <i>Cyathea mutica var. mutica</i>
                                             <i>Cyathea myosuroides</i>
                                                   [Alsophila myosuroides]
                                             <i>Cyathea myriotricha</i>
                                             <i>Cyathea nanna</i>
                                             <i>Cyathea neblinae</i>
                                             <i>Cyathea negrosiana</i>
                                                   [Alsophila negrosiana]
                                             <i>Cyathea nephele</i>
                                             <i>Cyathea nervosa</i>
                                                   [Cnemidaria nervosa]
                                             <i>Cyathea nesiotica</i>
                                                   [Alsophila nesiotica]
                                                   [Trichipteris nesiotica]
                                             <i>Cyathea nicklesii</i>
                                                   [Alsophila nickelsii]
                                                   [Alsophila nicklesii]
                                                   [Gymnosphaera nickelsii]
                                             <i>Cyathea nicobarica</i>
                                             <i>Cyathea nigrescens</i>
                                             <i>Cyathea nigricans</i>
                                                   [Sphaeropteris nigricans]
                                             <i>Cyathea nigripes</i>
                                               <i>Cyathea nigripes var. nigripes</i>
                                             <i>Cyathea nigrolineata</i>
                                                   [Alsophila nigrolineata]
                                             <i>Cyathea nigropaleata</i>
                                                   [Alsophila nigropaleata]
                                             <i>Cyathea nilgirensis</i>
                                                   [Alsophila nilgirensis]
                                             <i>Cyathea nockii</i>
                                                   [Alsophila nockii]
                                             <i>Cyathea nodulifera</i>
                                             <i>Cyathea notabilis</i>
                                                   [Alsophila notabilis]
                                             <i>Cyathea nothofagorum</i>
                                             <i>Cyathea novae-caledoniae</i>
                                                   [Sphaeropteris novae-caledoniae]
                                             <i>Cyathea obliqua</i>
                                                   [Sphaeropteris obliqua]
                                             <i>Cyathea obnoxia</i>
                                             <i>Cyathea obscura</i>
                                                   [Sphaeropteris obscura]
                                             <i>Cyathea obtecta</i>
                                             <i>Cyathea obtusa</i>
                                             <i>Cyathea obtusiloba</i>
                                                   [Alsophila obtusiloba]
                                             <i>Cyathea odonelliana</i>
                                                   [Alsophila odonelliana]
                                             <i>Cyathea ogurae</i>
                                             <i>Cyathea ohaensis</i>
                                             <i>Cyathea oinops</i>
                                                   [Alsophila oinops]
                                             <i>Cyathea onusta</i>
                                             <i>Cyathea oosora</i>
                                                   [Alsophila oosora]
                                             <i>Cyathea oreopteroides</i>
                                             <i>Cyathea orientalis</i>
                                                   [Alsophila orientalis]
                                             <i>Cyathea orthogonalis</i>
                                                   [Alsophila orthogonalis]
                                             <i>Cyathea pachyrrhachis</i>
                                                   [Alsophila pachyrrhachis]
                                             <i>Cyathea pacifica</i>
                                             <i>Cyathea palaciosii</i>
                                             <i>Cyathea paladensis</i>
                                             <i>Cyathea pallescens</i>
                                                   [Cyathea brachypoda]
                                                   [Cyathea nitens]
                                                   [Cyathea ochroleuca]
                                             <i>Cyathea pallidipaleata</i>
                                                   [Alsophila pallidipaleata]
                                             <i>Cyathea pansamalana</i>
                                             <i>Cyathea papuana</i>
                                                   [Sphaeropteris papuana]
                                             <i>Cyathea parianensis</i>
                                             <i>Cyathea parksiae</i>
                                                   [Cyathea parksii]
                                                   [Sphaeropteris parksiae]
                                             <i>Cyathea parva</i>
                                                   [Alsophila micra]
                                             <i>Cyathea parvifolia</i>
                                                   [Cyathea brevistipes]
                                             <i>Cyathea parvipinna</i>
                                                   [Sphaeropteris parvipinna]
                                             <i>Cyathea parvula</i>
                                                   [Alsophila aquilina var. maxonii]
                                                   [Alsophila aquillina]
                                                   [Alsophila gracilis]
                                               <i>Cyathea parvula var. parvula</i>
                                             <i>Cyathea pastoensis</i>
                                             <i>Cyathea patellifera</i>
                                                   [Alsophila patellifera]
                                             <i>Cyathea patens</i>
                                             <i>Cyathea pauciflora</i>
                                                   [Trichipteris pauciflora]
                                             <i>Cyathea paucifolia</i>
                                             <i>Cyathea peladensis</i>
                                             <i>Cyathea percrassa</i>
                                                   [Alsophila percrassa]
                                             <i>Cyathea perpelvigera</i>
                                                   [Alsophila perpelvigera]
                                             <i>Cyathea perpunctulata</i>
                                                   [Alsophila perpunctulata]
                                             <i>Cyathea perrieriana</i>
                                                   [Alsophila perrieriana]
                                             <i>Cyathea persquamulifera</i>
                                                   [Sphaeropteris persquamulifera]
                                             <i>Cyathea pervilleana</i>
                                                   [Alsophila borbonica var. pervilleana]
                                                   [Cyathea borbonica var. pervilleana]
                                                   [Cyathea borbonica var. pesvilleana]
                                             <i>Cyathea petiolata</i>
                                                   [Cyathea integra var. petiolata]
                                                   [Hemitelia petiolata]
                                             <i>Cyathea phalaenolepis</i>
                                             <i>Cyathea phalerata</i>
                                                   [Alsophila contracta]
                                                   [Alsophila goyazensis]
                                                   [Alsophila iheringii]
                                                   [Alsophila paleolata]
                                                   [Alsophila paulistana]
                                                   [Cyathea iheringii]
                                                   [Cyathea paleolata]
                                                   [Cyathea phalerata var. iheringii]
                                                   [Cyathea phalerata var. l'heringii]
                                                   [Trichipteris phalerata]
                                               <i>Cyathea phalerata var. latiloba</i>
                                               <i>Cyathea phalerata var. phalerata</i>
                                             <i>Cyathea phegopteroides</i>
                                                   [Trichipteris phegopteroides]
                                             <i>Cyathea philippinensis</i>
                                                   [Sphaeropteris philippinensis]
                                             <i>Cyathea physolepidota</i>
                                                   [Alsophila physolepidota]
                                             <i>Cyathea pichinchae</i>
                                             <i>Cyathea pilosissima</i>
                                                   [Trichipteris pilosissima]
                                             <i>Cyathea pilosula</i>
                                             <i>Cyathea pilulifera</i>
                                                   [Sphaeropteris pilulifera]
                                             <i>Cyathea pinnula</i>
                                                   [Alsophila pinnula]
                                             <i>Cyathea plagiostegia</i>
                                                   [Alsophila plagiostegia]
                                             <i>Cyathea planadae</i>
                                             <i>Cyathea platylepis</i>
                                             <i>Cyathea plicata</i>
                                             <i>Cyathea podophylla</i>
                                             <i>Cyathea poeppigii</i>
                                                   [Alsophila elongata]
                                                   [Alsophila impressa]
                                                   [Alsophila plagiopteris]
                                                   [Cyathea anacampta]
                                                   [Sphaeropteris elongata]
                                             <i>Cyathea polliculi</i>
                                             <i>Cyathea polycarpa</i>
                                             <i>Cyathea polypoda</i>
                                                   [Sphaeropteris polypoda]
                                             <i>Cyathea polystichoides</i>
                                             <i>Cyathea ponapeana</i>
                                             <i>Cyathea poolii</i>
                                                   [Alsophila poolii]
                                                   [Alsophila vestita]
                                             <i>Cyathea portoana</i>
                                             <i>Cyathea portoricensis</i>
                                             <i>Cyathea povedae</i>
                                             <i>Cyathea praeceps</i>
                                             <i>Cyathea praecincta</i>
                                             <i>Cyathea praetermissa</i>
                                             <i>Cyathea princeps</i>
                                             <i>Cyathea procera</i>
                                                   [Sphaeropteris procera]
                                             <i>Cyathea propinqua</i>
                                                   [Sphaeropteris propinqua]
                                             <i>Cyathea pruinosa</i>
                                                   [Alsophila pruinosa]
                                             <i>Cyathea pseudobellisquamata</i>
                                             <i>Cyathea pseudomuelleri</i>
                                                   [Alsophila pseudomuelleri]
                                             <i>Cyathea pseudonanna</i>
                                             <i>Cyathea puberula</i>
                                             <i>Cyathea pubescens</i>
                                                   [Alsophila auneae]
                                             <i>Cyathea pukuana</i>
                                             <i>Cyathea pulcherrima</i>
                                                   [Sphaeropteris pulcherrima]
                                             <i>Cyathea punctata</i>
                                             <i>Cyathea punctulata</i>
                                             <i>Cyathea pungens</i>
                                                   [Cyathea bulligera]
                                                   [Cyathea infesta]
                                                   [Cyathea oblonga]
                                                   [Trichipteris pastazensis]
                                             <i>Cyathea pycnoneura</i>
                                                   [Alsophila pycnoneura]
                                             <i>Cyathea pygmaea</i>
                                             <i>Cyathea quadrata</i>
                                             <i>Cyathea quindiuensis</i>
                                                   [Cyathea yungensis]
                                             <i>Cyathea quitensis</i>
                                             <i>Cyathea raciborskii</i>
                                             <i>Cyathea raiateensis</i>
                                             <i>Cyathea ramisora</i>
                                             <i>Cyathea ramispina</i>
                                             <i>Cyathea ramispinoides</i>
                                             <i>Cyathea rapaensis</i>
                                             <i>Cyathea rebeccae</i>
                                                   [Alsophila rebeccae]
                                             <i>Cyathea recommutata</i>
                                             <i>Cyathea recurvata</i>
                                             <i>Cyathea reginae</i>
                                                   [Cyathea macrosora var. reginae]
                                             <i>Cyathea remotifolia</i>
                                                   [Alsophila borbonica var. laevigata]
                                                   [Cyathea borbonica var. laevigata]
                                             <i>Cyathea retanae</i>
                                             <i>Cyathea revoluta</i>
                                             <i>Cyathea rigens</i>
                                                   [Alsophila rigens]
                                             <i>Cyathea robertsiana</i>
                                                   [Alsophila robertsiana]
                                             <i>Cyathea robinsonii</i>
                                                   [Sphaeropteris robinsonii]
                                             <i>Cyathea robusta</i>
                                                   [Alsophila robusta var. norfolkiana]
                                                   [Sphaeropteris robusta var. norfolkiana]
                                                   [Sphaeropteris robusta]
                                             <i>Cyathea rojasiana</i>
                                                   [Cyathea panamensis]
                                             <i>Cyathea roraimensis</i>
                                                   [Cnemidaria roraimensis]
                                             <i>Cyathea roroka</i>
                                             <i>Cyathea rosenstockii</i>
                                                   [Alsophila rosenstockii]
                                                   [Sphaeropteris rosenstockii]
                                             <i>Cyathea rouhaniana</i>
                                             <i>Cyathea rubella</i>
                                                   [Alsophila rubella]
                                             <i>Cyathea rubiginosa</i>
                                                   [Alsophila rubiginosa]
                                             <i>Cyathea rufa</i>
                                             <i>Cyathea rufescens</i>
                                                   [Sphaeropteris rufescens]
                                             <i>Cyathea rufopannosa</i>
                                                   [Alsophila rufopannosa]
                                             <i>Cyathea ruiziana</i>
                                                   [Cyathea boliviana]
                                             <i>Cyathea rumphii</i>
                                             <i>Cyathea runensis</i>
                                                   [Sphaeropteris runensis]
                                             <i>Cyathea rupestris</i>
                                                   [Alsophila rupestris]
                                             <i>Cyathea saccata</i>
                                                   [Alsophila saccata]
                                             <i>Cyathea sagittifolia</i>
                                                   [Alsophila sagittifolia]
                                             <i>Cyathea salletii</i>
                                                   [Alsophila salletii]
                                             <i>Cyathea samoensis</i>
                                             <i>Cyathea sangirensis</i>
                                             <i>Cyathea saparuensis</i>
                                             <i>Cyathea sarasinorum</i>
                                                   [Sphaeropteris sarasinorum]
                                             <i>Cyathea scabra</i>
                                             <i>Cyathea scabriuscula</i>
                                             <i>Cyathea scandens</i>
                                                   [Alsophila scandens]
                                             <i>Cyathea schanschin</i>
                                             <i>Cyathea schenckii</i>
                                             <i>Cyathea schiedeana</i>
                                                   [Alsophila chnoodes]
                                                   [Alsophila schiedeana]
                                                   [Trichipteris chnoodes]
                                             <i>Cyathea schlechteri</i>
                                             <i>Cyathea schliebenii</i>
                                                   [Alsophila tanzaniana]
                                             <i>Cyathea schlimii</i>
                                             <i>Cyathea sechellarum</i>
                                                   [Alsophila sechellarum]
                                             <i>Cyathea semiamplectens</i>
                                                   [Alsophila semiamplectens]
                                             <i>Cyathea senex</i>
                                                   [Sphaeropteris senex]
                                             <i>Cyathea senilis</i>
                                             <i>Cyathea serpens</i>
                                             <i>Cyathea serra</i>
                                             <i>Cyathea serratifolia</i>
                                                   [Alsophila serratifolia]
                                             <i>Cyathea sessifolia</i>
                                             <i>Cyathea sessilifolia</i>
                                             <i>Cyathea setchellii</i>
                                             <i>Cyathea setifera</i>
                                                   [Sphaeropteris setifera]
                                             <i>Cyathea setosa</i>
                                             <i>Cyathea setulosa</i>
                                                   [Alsophila setulosa]
                                             <i>Cyathea sibuyanensis</i>
                                                   [Sphaeropteris sibuyanensis]
                                             <i>Cyathea similis</i>
                                               <i>Cyathea similis var. leptoderma</i>
                                               <i>Cyathea similis var. montana</i>
                                               <i>Cyathea similis var. similis</i>
                                             <i>Cyathea simplex</i>
                                             <i>Cyathea simulans</i>
                                                   [Alsophila borbonica var. simulans]
                                                   [Cyathea borbonica var. simulans]
                                             <i>Cyathea singularis</i>
                                                   [Cnemidaria singularis]
                                             <i>Cyathea sinops</i>
                                             <i>Cyathea sinuata</i>
                                                   [Alsophila sinuata]
                                             <i>Cyathea sipapoensis</i>
                                             <i>Cyathea sledgei</i>
                                             <i>Cyathea smithii</i>
                                                   [Alsophila smithii]
                                                   [Hemitelia smithii]
                                             <i>Cyathea solomonensis</i>
                                                   [Alsophila solomonensis]
                                             <i>Cyathea speciosa</i>
                                                   [Cnemidaria lindenii]
                                                   [Hemitelia speciosa]
                                             <i>Cyathea spectabilis</i>
                                               <i>Cyathea spectabilis var. colombiensis</i>
                                                     [Cnemidaria spectabilis var. colombiensis]
                                               <i>Cyathea spectabilis var. spectabilis</i>
                                                     [Cnemidaria spectabilis var. spectabilis]
                                             <i>Cyathea spinulosa</i>
                                                   [Alsophila decipiens]
                                             <i>Cyathea squamata</i>
                                                   [Trichipteris microphylla]
                                             <i>Cyathea squamipes</i>
                                                   [Cyathea caracasana var. boliviensis]
                                             <i>Cyathea squamulata</i>
                                                   [Sphaeropteris squamulata]
                                             <i>Cyathea squamulosa</i>
                                             <i>Cyathea squarrosa</i>
                                             <i>Cyathea srilankensis</i>
                                             <i>Cyathea stelligera</i>
                                                   [Alsophila stelligera]
                                             <i>Cyathea sternbergii</i>
                                                   [Alsophila sternbergii]
                                                   [Cyathea rojasii]
                                             <i>Cyathea steyermarkii</i>
                                             <i>Cyathea stipitipinnula</i>
                                                   [Sphaeropteris stipitipinnula]
                                             <i>Cyathea stokesii</i>
                                                   [Alsophila stokesii]
                                             <i>Cyathea stolzeana</i>
                                                   [Cnemidaria stolzeana]
                                             <i>Cyathea stolzei</i>
                                             <i>Cyathea straminea</i>
                                             <i>Cyathea strigillosa</i>
                                                   [Alsophila strigillosa]
                                             <i>Cyathea strigosa</i>
                                                   [Sphaeropteris strigosa]
                                             <i>Cyathea stubelii</i>
                                                   [Alsophila paucifolia]
                                             <i>Cyathea subarborescens</i>
                                             <i>Cyathea subdubia</i>
                                                   [Alsophila subdubia]
                                             <i>Cyathea subincisa</i>
                                                   [Cnemidaria speciosa]
                                             <i>Cyathea subindusiata</i>
                                               <i>Cyathea subindusiata var. chontilla</i>
                                                     [Cyathea subindustiata var. chontilla]
                                               <i>Cyathea subindusiata var. subindusiata</i>
                                             <i>Cyathea subindustiata</i>
                                             <i>Cyathea submarginalis</i>
                                             <i>Cyathea subsessilis</i>
                                                   [Sphaeropteris subsessilis]
                                             <i>Cyathea subtripinnata</i>
                                                   [Alsophila subtripinnata]
                                             <i>Cyathea subulata</i>
                                             <i>Cyathea suluensis</i>
                                                   [Sphaeropteris suluensis]
                                             <i>Cyathea sumatrana</i>
                                                   [Alsophila sumatrana]
                                             <i>Cyathea suprapilosa</i>
                                                   [Cnemidaria suprastrigosa]
                                             <i>Cyathea suprastrigosa</i>
                                             <i>Cyathea surinamensis</i>
                                                   [Alsophila pilgera]
                                                   [Alsophila piligera]
                                                   [Cyathea superba]
                                             <i>Cyathea sylvatica</i>
                                             <i>Cyathea tahitensis</i>
                                             <i>Cyathea taiwanense</i>
                                             <i>Cyathea tenera</i>
                                             <i>Cyathea tenggerensis</i>
                                                   [Sphaeropteris tenggerensis]
                                             <i>Cyathea tenuicaulis</i>
                                             <i>Cyathea tepuiana</i>
                                                   [Hymenophyllopsis steyermarkii]
                                             <i>Cyathea ternatea</i>
                                                   [Alsophila ternatea]
                                             <i>Cyathea teysmannii</i>
                                                   [Sphaeropteris teysmannii]
                                             <i>Cyathea thelypteroides</i>
                                             <i>Cyathea thomsonii</i>
                                                   [Alsophila thomsonii]
                                                   [Cyathea zambesiaca]
                                             <i>Cyathea thwaitesii</i>
                                             <i>Cyathea thysanolepis</i>
                                             <i>Cyathea tomentosa</i>
                                                   [Sphaeropteris tomentosa]
                                             <i>Cyathea tomentosissima</i>
                                                   [Sphaeropteris tomentosissima]
                                             <i>Cyathea tortuosa</i>
                                             <i>Cyathea trachypoda</i>
                                             <i>Cyathea traillii</i>
                                             <i>Cyathea trichodesma</i>
                                                   [Sphaeropteris trichodesma]
                                             <i>Cyathea trichomanoides</i>
                                                   [Hymenophyllopsis superba]
                                             <i>Cyathea trichophora</i>
                                                   [Cyathea contaminans var. trichophora]
                                                   [Cyathea trichophara]
                                                   [Sphaeropteris trichophora]
                                             <i>Cyathea trinitensis</i>
                                             <i>Cyathea tripinnata</i>
                                                   [Sphaeropteris tripinnata]
                                             <i>Cyathea tripinnatifida</i>
                                                   [Sphaeropteris tripinnatifida]
                                             <i>Cyathea truncata</i>
                                                   [Cyathea truncata var. nivea]
                                                   [Cyathea truncata var. truncata]
                                                   [Sphaeropteris truncata]
                                             <i>Cyathea tryoniana</i>
                                                   [Alsophila tryoniana]
                                             <i>Cyathea tryonorum</i>
                                                   [Trichipteris tryonorum]
                                             <i>Cyathea tsaratananensis</i>
                                                   [Alsophila tsaratananensis]
                                             <i>Cyathea tsilotsilensis</i>
                                                   [Alsophila tsilotsilensis]
                                             <i>Cyathea tuerckheimii</i>
                                             <i>Cyathea tungurahuae</i>
                                             <i>Cyathea tussacii</i>
                                             <i>Cyathea tuyamae</i>
                                             <i>Cyathea uleana</i>
                                               <i>Cyathea uleana var. abitaguensis</i>
                                                     [Cnemidaria uleana var. abitaguensis]
                                               <i>Cyathea uleana var. uleana</i>
                                                     [Cnemidaria uleana var. uleana]
                                             <i>Cyathea ulei</i>
                                                   [Cyathea subtropica]
                                             <i>Cyathea universitatis</i>
                                                   [Hymenophyllopsis universitatis]
                                             <i>Cyathea urbanii</i>
                                                   [Alsophila urbanii]
                                             <i>Cyathea ursina</i>
                                                   [Alsophila ursina]
                                             <i>Cyathea valdecrenata</i>
                                             <i>Cyathea valdesquamata</i>
                                             <i>Cyathea van-gaerdtii</i>
                                             <i>Cyathea vandeusenii</i>
                                                   [Alsophila vandeusenii]
                                             <i>Cyathea varians</i>
                                                   [Cnemidaria varians]
                                             <i>Cyathea vaupelii</i>
                                                   [Sphaeropteris vaupelii var. lobulata]
                                                   [Sphaeropteris vaupelii]
                                             <i>Cyathea vaupensis</i>
                                                   [Cyathea macrosora var. vaupensis]
                                             <i>Cyathea veitchiana</i>
                                             <i>Cyathea velaminosa</i>
                                             <i>Cyathea venezuelensis</i>
                                                   [Trichipteris steyermarkii]
                                             <i>Cyathea venosa</i>
                                             <i>Cyathea vernicosa</i>
                                             <i>Cyathea verrucosa</i>
                                                   [Sphaeropteris verrucosa]
                                             <i>Cyathea vieillardii</i>
                                                   [Alsophila vieillardii]
                                             <i>Cyathea viguieri</i>
                                                   [Alsophila viguieri]
                                             <i>Cyathea vilhelmii</i>
                                             <i>Cyathea villosa</i>
                                                   [Alsophila cipoensis]
                                                   [Alsophila villosa var. dusenii]
                                             <i>Cyathea vittata</i>
                                                   [Sphaeropteris vittata]
                                             <i>Cyathea walkerae</i>
                                               <i>Cyathea walkerae var. tripinnata</i>
                                               <i>Cyathea walkerae var. walkerae</i>
                                             <i>Cyathea wallacei</i>
                                                   [Sphaeropteris wallacei]
                                             <i>Cyathea weatherbyana</i>
                                             <i>Cyathea welwitschii</i>
                                                   [Alsophila welwitschii]
                                             <i>Cyathea wendlandii</i>
                                             <i>Cyathea wengiensis</i>
                                                   [Alsophila hieronymi]
                                                   [Alsophila wengiensis]
                                                   [Cyathea woodwardioides var. hieronymi]
                                             <i>Cyathea werffii</i>
                                             <i>Cyathea werneri</i>
                                                   [Sphaeropteris werneri]
                                             <i>Cyathea whitmeei</i>
                                                   [Sphaeropteris samoensis]
                                             <i>Cyathea williamsii</i>
                                                   [Trichipteris williamsii]
                                             <i>Cyathea wilsonii</i>
                                             <i>Cyathea windischiana</i>
                                             <i>Cyathea wolfii</i>
                                             <i>Cyathea womersleyi</i>
                                                   [Sphaeropteris womersleyi]
                                             <i>Cyathea woodlarkensis</i>
                                             <i>Cyathea woodwardioides</i>
                                                   [Cyathea araneosa]
                                                   [Cyathea woodwardioides var. woodwardioides]
                                             <i>Cyathea woollsiana</i>
                                                   [Alsophila woollsiana]
                                                   [Cyathea leichhardtiana var. woollsiana]
                                             <i>Cyathea x calolepis</i>
                                             <i>Cyathea x dryopteroides</i>
                                             <i>Cyathea x irregularis</i>
                                             <i>Cyathea x marcescens</i>
                                                   [Alsophila marcescens]
                                             <i>Cyathea x moralesiana</i>
                                             <i>Cyathea x sessilifolia</i>
                                             <i>Cyathea x smithiana</i>
                                             <i>Cyathea x wilsonii</i>
                                                   [Hemitelia wilsonii]
                                             <i>Cyathea xantholepis</i>
                                             <i>Cyathea xenoxyla</i>
                                             <i>Cyathea zakamenensis</i>
                                             <i>Cyathea zamboangana</i>
                                                   [Sphaeropteris zamboangana]
                                             <i>Cyathea zollingeriana</i>
                                             <i>Cyathea zongoensis</i>
                                             <i>Cyathea × hombersleyi</i>
                                                   [Hemitelia hombersleyi]
                                             <i>Cyathea × lewisii</i>
                                                   [Hemitelia lewisii]
                                             <i>Sphaeropteris macarenensis</i>
                                                   [Alsophila macarenensis]
                                             <i>Sphaeropteris mollicula</i>
                                     <i>Gymnosphaera</i>
                                             <i>Gymnosphaera atropurpurea</i>
                                                   [Alsophila atropurpurea]
                                             <i>Gymnosphaera hornei</i>
                                             <i>Gymnosphaera ramispina</i>
                                                   [Alsophila ramispina]
                                     <i>Hemistegia</i>
                                     <i>Hemitelia</i>
                                             <i>Hemitelia decurrens</i>
                                             <i>Hemitelia escuquensis</i>
                                             <i>Hemitelia horrida</i>
                                             <i>Hemitelia multiflora</i>
                                             <i>Hemitelia muricata</i>
                                                   [Cyathea muricata]
                                     <i>Hymenophyllopsis</i>
                                             <i>Hymenophyllopsis asplenioides</i>
                                     <i>Nephelea</i>
                                             <i>Nephelea mexicana</i>
                                             <i>Nephelea portoricensis</i>
                                             <i>Nephelea pubescens</i>
                                             <i>Nephelea setosa</i>
                                     <i>Sphaeropteris</i>
                                             <i>Sphaeropteris aeneifolia</i>
                                             <i>Sphaeropteris atrox</i>
                                             <i>Sphaeropteris australis</i>
                                                   [Alsophila leichhardtii]
                                             <i>Sphaeropteris brunei</i>
                                             <i>Sphaeropteris chinensis</i>
                                                   [Hemitelia brunoniana]
                                             <i>Sphaeropteris cooperi</i>
                                                   [Alsophila cooperi]
                                                   [Alsophila excelsa]
                                             <i>Sphaeropteris horrida</i>
                                                   [Cibotium princeps]
                                                   [Cyathea bourgaei]
                                             <i>Sphaeropteris insignis</i>
                                             <i>Sphaeropteris lunulata</i>
                                                   [Cyathea veitchii]
                                             <i>Sphaeropteris mesosora</i>
                                             <i>Sphaeropteris myosuroides</i>
                                             <i>Sphaeropteris quindiuensis</i>
                                                   [Cyathea crassipes]
                                     <i>Trichipteris</i>
                                             <i>Trichipteris aspera</i>
                                             <i>Trichipteris bicrenata</i>
                                             <i>Trichipteris borinquena</i>
                                             <i>Trichipteris procera</i>
                                             <i>Trichipteris pubescens</i>
                                             <i>Trichipteris schiedeana</i>