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    Tracheophyta
           [Tracheobionta]
      Pteridophyta
            Polypodiopsida
                    Polypodiales
                            <b>Thelypteridaceae</b>
                                     <i>Abacopteris</i>
                                             <i>Abacopteris afra</i>
                                                   [Dryopteris dewevrei]
                                                   [Thelypteris afra]
                                             <i>Abacopteris aspera</i>
                                                   [Abacopteris philippinarum]
                                                   [Cyclosorus philippinarum]
                                                   [Thelypteris aspera]
                                             <i>Abacopteris gymnopteridifrons</i>
                                             <i>Abacopteris hirtisora</i>
                                             <i>Abacopteris nitida</i>
                                             <i>Abacopteris nudata</i>
                                             <i>Abacopteris peltochlamys</i>
                                             <i>Abacopteris penangiana</i>
                                             <i>Abacopteris presliana</i>
                                             <i>Abacopteris repanda</i>
                                                   [Cyclosorus urophyllus]
                                                   [Phegopteris urophylla]
                                             <i>Abacopteris setosa</i>
                                                   [Pronephrium setosum]
                                             <i>Abacopteris urophylla</i>
                                     <i>Amauropelta</i>
                                             <i>Amauropelta achalensis</i>
                                                   [Thelypteris achalensis]
                                             <i>Amauropelta amphioxypteris</i>
                                             <i>Amauropelta angustifrons</i>
                                                   [Thelypteris angustifrons]
                                             <i>Amauropelta antillana</i>
                                                   [Thelypteris antillana]
                                             <i>Amauropelta appressa</i>
                                             <i>Amauropelta arborea</i>
                                             <i>Amauropelta argentina</i>
                                                   [Thelypteris argentina]
                                             <i>Amauropelta aspidioides</i>
                                                   [Dryopteris aspidioides]
                                                   [Thelypteris aspidioides]
                                             <i>Amauropelta atrovirens</i>
                                                   [Dryopteris atrovirens]
                                                   [Thelypteris atrovirens]
                                             <i>Amauropelta balbisii</i>
                                                   [Aspidium sprengelii]
                                                   [Dryopteris balbisii]
                                                   [Dryopteris mercurii]
                                                   [Nephrodium sherringii]
                                                   [Nephrodium sprengelii]
                                                   [Polypodium balbisii]
                                                   [Thelypteris mercurii]
                                               <i>Amauropelta balbisii var. longipilosa</i>
                                                     [Thelypteris balbisii var. longipilosa]
                                             <i>Amauropelta basisceletica</i>
                                             <i>Amauropelta beddomei</i>
                                                   [Dryopteris beddomei]
                                                   [Nephrodium beddomei]
                                             <i>Amauropelta bergiana</i>
                                                   [Dryopteris maranguensis]
                                                   [Nephrodium bergianum]
                                                   [Thelypteris bergiana]
                                               <i>Amauropelta bergiana var. bergiana</i>
                                               <i>Amauropelta bergiana var. calva</i>
                                             <i>Amauropelta bonapartii</i>
                                                   [Thelypteris bonapartii]
                                             <i>Amauropelta brachypoda</i>
                                             <i>Amauropelta brachypus</i>
                                                   [Nephrodium brachypus]
                                                   [Thelypteris brachypus]
                                             <i>Amauropelta brausei</i>
                                                   [Thelypteris brausei]
                                             <i>Amauropelta canadasii</i>
                                                   [Dryopteris macradenia]
                                                   [Nephrodium macradenium]
                                                   [Thelypteris canadasii]
                                             <i>Amauropelta caucaensis</i>
                                                   [Thelypteris caucaensis]
                                             <i>Amauropelta cheilanthoides</i>
                                                   [Dryopteris lanipes f. minor]
                                                   [Dryopteris lanipes]
                                                   [Thelypteris kunzei]
                                             <i>Amauropelta chiriquiana</i>
                                                   [Thelypteris chiriquiana]
                                             <i>Amauropelta christensenii</i>
                                             <i>Amauropelta cinerea</i>
                                                   [Thelypteris cinerea]
                                             <i>Amauropelta cocos</i>
                                                   [Thelypteris cocos]
                                             <i>Amauropelta concinna</i>
                                                   [Dryopteris concinna]
                                                   [Nephrodium concinnum]
                                                   [Thelypteris mollicula]
                                             <i>Amauropelta consanguinea</i>
                                             <i>Amauropelta cooleyi</i>
                                                   [Thelypteris cooleyi]
                                             <i>Amauropelta corazonensis</i>
                                             <i>Amauropelta cornuta</i>
                                             <i>Amauropelta crassiuscula</i>
                                                   [Thelypteris crassiuscula]
                                             <i>Amauropelta cystopteroides</i>
                                                   [Parathelypteris cystopteroides]
                                             <i>Amauropelta decurtata</i>
                                                   [Athyrium decurtatum]
                                             <i>Amauropelta deflexa</i>
                                             <i>Amauropelta demissa</i>
                                                   [Thelypteris demissa]
                                             <i>Amauropelta elegantula</i>
                                                   [Nephrodium elegantulum]
                                                   [Thelypteris elegantula]
                                             <i>Amauropelta eriosorus</i>
                                             <i>Amauropelta euchlora</i>
                                                   [Dryopteris euchlora]
                                                   [Thelypteris euchlora]
                                             <i>Amauropelta firma</i>
                                                   [Nephrodium firmum]
                                             <i>Amauropelta fluminalis</i>
                                                   [Thelypteris fluminalis]
                                             <i>Amauropelta funckii</i>
                                                   [Thelypteris funckii]
                                             <i>Amauropelta germaniana</i>
                                             <i>Amauropelta glanduligera</i>
                                             <i>Amauropelta glandulosolanosa</i>
                                                   [Thelypteris glandulosolanosa]
                                             <i>Amauropelta globulifera</i>
                                                   [Nephrodium globuliferum]
                                             <i>Amauropelta gomeziana</i>
                                                   [Thelypteris gomeziana]
                                             <i>Amauropelta gracilenta</i>
                                                   [Thelypteris gracilenta]
                                             <i>Amauropelta gracilis</i>
                                                   [Thelypteris consimilis]
                                                   [Thelypteris mollicella]
                                             <i>Amauropelta grammitoides</i>
                                             <i>Amauropelta grantii</i>
                                                   [Dryopteris nuna]
                                             <i>Amauropelta heteroclita</i>
                                                   [Thelypteris heteroclita]
                                             <i>Amauropelta hydrophila</i>
                                                   [Phegopteris hydrophila]
                                             <i>Amauropelta illicita</i>
                                                   [Thelypteris illicita]
                                             <i>Amauropelta inaequans</i>
                                                   [Dryopteris euchlora var. inaequans]
                                                   [Thelypteris inaequans]
                                             <i>Amauropelta jimenezii</i>
                                                   [Thelypteris jimenezii]
                                             <i>Amauropelta juergensii</i>
                                                   [Thelypteris juergensii]
                                             <i>Amauropelta knysnaensis</i>
                                                   [Thelypteris knysnaensis]
                                             <i>Amauropelta lepidula</i>
                                                   [Thelypteris lepidula]
                                             <i>Amauropelta limbata</i>
                                                   [Thelypteris limbata]
                                             <i>Amauropelta linkiana</i>
                                             <i>Amauropelta longicaulis</i>
                                                   [Thelypteris longicaulis]
                                             <i>Amauropelta longipilosa</i>
                                                   [Thelypteris longipilosa]
                                             <i>Amauropelta longisora</i>
                                                   [Thelypteris longisora]
                                             <i>Amauropelta loretensis</i>
                                                   [Thelypteris loretensis]
                                             <i>Amauropelta macra</i>
                                             <i>Amauropelta malangae</i>
                                             <i>Amauropelta margaretae</i>
                                                   [Dryopteris margaretae]
                                             <i>Amauropelta melanochlaena</i>
                                                   [Thelypteris melanochlaena]
                                             <i>Amauropelta membranifera</i>
                                             <i>Amauropelta mertensioides</i>
                                                   [Thelypteris mertensioides]
                                             <i>Amauropelta metteniana</i>
                                                   [Dryopteris palustris]
                                             <i>Amauropelta minutula</i>
                                                   [Thelypteris minutula]
                                             <i>Amauropelta mombachensis</i>
                                             <i>Amauropelta mucosa</i>
                                             <i>Amauropelta muscicola</i>
                                                   [Thelypteris muscicola]
                                             <i>Amauropelta muzensis</i>
                                                   [Thelypteris muzensis]
                                             <i>Amauropelta nevadensis</i>
                                             <i>Amauropelta nitens</i>
                                                   [Dryopteris multiformis]
                                             <i>Amauropelta nockiana</i>
                                                   [Thelypteris nockiana]
                                             <i>Amauropelta noveboracensis</i>
                                                   [Thelypteris noveboracensis f. excurrens]
                                             <i>Amauropelta nubicola</i>
                                             <i>Amauropelta nubigena</i>
                                             <i>Amauropelta oaxacana</i>
                                                   [Thelypteris oaxacana]
                                             <i>Amauropelta oligocarpa</i>
                                                   [Amauropelta oligocarpa var. navarrensis]
                                                   [Aspidium kaulfussii]
                                                   [Thelypteris columbiana]
                                                   [Thelypteris lomatosora]
                                             <i>Amauropelta ophiorhizoma</i>
                                             <i>Amauropelta opposita</i>
                                                   [Aspidium conterminum]
                                                   [Aspidium rivulorum]
                                                   [Dryopteris contermina]
                                                   [Dryopteris opposita var. longissima]
                                                   [Nephrodium conterminum]
                                             <i>Amauropelta oppositiformis</i>
                                             <i>Amauropelta pachyrhachis</i>
                                                   [Thelypteris pachyrachis]
                                               <i>Amauropelta pachyrhachis var. crassipes</i>
                                                     [Nephrodium crassipes]
                                             <i>Amauropelta patula</i>
                                                   [Thelypteris glaziovii]
                                             <i>Amauropelta pavoniana</i>
                                             <i>Amauropelta phacelothrix</i>
                                             <i>Amauropelta physematioides</i>
                                                   [Dryopteris physematioides]
                                             <i>Amauropelta piedrensis</i>
                                             <i>Amauropelta pilosissima</i>
                                                   [Thelypteris pilosissima]
                                             <i>Amauropelta pilosohispida</i>
                                                   [Thelypteris pilosohispida]
                                                   [Thelypteris retrorsa]
                                             <i>Amauropelta pilosula</i>
                                                   [Dryopteris pilosula]
                                                   [Dryopteris rimbachii]
                                                   [Thelypteris rimbachii]
                                             <i>Amauropelta proctorii</i>
                                                   [Thelypteris proctorii]
                                             <i>Amauropelta prolatipedis</i>
                                                   [Thelypteris prolatipedis]
                                             <i>Amauropelta ptarmica</i>
                                                   [Thelypteris ptarmica]
                                             <i>Amauropelta pteroidea</i>
                                             <i>Amauropelta pusilla</i>
                                             <i>Amauropelta randallii</i>
                                                   [Thelypteris randallii]
                                             <i>Amauropelta recumbens</i>
                                                   [Dryopteris recumbens]
                                                   [Thelypteris recumbens]
                                             <i>Amauropelta reducta</i>
                                             <i>Amauropelta resinifera</i>
                                                   [Dryopteris panamensis]
                                                   [Dryopteris pseudosancta]
                                             <i>Amauropelta retusa</i>
                                             <i>Amauropelta rheophyta</i>
                                             <i>Amauropelta rivularioides</i>
                                                   [Dryopteris rivularioides]
                                                   [Thelypteris rivularioides]
                                             <i>Amauropelta rosenstockii</i>
                                                   [Dryopteris rosenstockii]
                                             <i>Amauropelta rudiformis</i>
                                             <i>Amauropelta rudis</i>
                                                   [Nephrodium lasiopteris]
                                                   [Thelypteris nervosa]
                                             <i>Amauropelta rufa</i>
                                                   [Dryopteris rosei]
                                                   [Thelypteris limaensis]
                                                   [Thelypteris rufa]
                                             <i>Amauropelta rupestris</i>
                                                   [Gymnogramma diplazioides]
                                                   [Thelypteris rupestris]
                                             <i>Amauropelta rupicola</i>
                                                   [Thelypteris rupicola]
                                             <i>Amauropelta rustica</i>
                                             <i>Amauropelta sancta</i>
                                                   [Aspidium sintenisii]
                                                   [Dryopteris sancta var. portoricensis]
                                                   [Nephrodium sanctum]
                                                   [Phegopteris sancta]
                                             <i>Amauropelta scalaris</i>
                                                   [Aspidium scalare]
                                                   [Dryopteris scalaris]
                                                   [Thelypteris scalaris]
                                             <i>Amauropelta scalpturoides</i>
                                                   [Dryopteris scalpturoides]
                                                   [Phegopteris scalpturoides]
                                                   [Thelypteris scalpturoides]
                                             <i>Amauropelta shaferi</i>
                                                   [Dryopteris shaferi]
                                             <i>Amauropelta strigillosa</i>
                                             <i>Amauropelta strigosa</i>
                                             <i>Amauropelta supina</i>
                                             <i>Amauropelta supranitens</i>
                                                   [Thelypteris supranitens]
                                             <i>Amauropelta tablana</i>
                                             <i>Amauropelta tenerrima</i>
                                             <i>Amauropelta thomsonii</i>
                                             <i>Amauropelta tomentosa</i>
                                                   [Thelypteris tomentosa]
                                             <i>Amauropelta underwoodiana</i>
                                                   [Dryopteris underwoodiana]
                                             <i>Amauropelta villana</i>
                                                   [Thelypteris villana]
                                             <i>Amauropelta zurquiana</i>
                                                   [Thelypteris zurquiana]
                                     <i>Amblovenatum</i>
                                             <i>Amblovenatum ceramicum</i>
                                                   [Dryopteris logavensis]
                                             <i>Amblovenatum distinctum</i>
                                                   [Amphineuron distinctum]
                                                   [Dryopteris longissima var. novoguineensis]
                                             <i>Amblovenatum immersum</i>
                                                   [Amphineuron immersum]
                                                   [Cyclosorus immersus]
                                                   [Dryopteris immersa]
                                             <i>Amblovenatum opulentum</i>
                                                   [Nephrodium extensum]
                                                   [Thelypteris extensa]
                                             <i>Amblovenatum terminans</i>
                                                   [Amphineuron terminans]
                                                   [Nephrodium terminans]
                                             <i>Amblovenatum tildeniae</i>
                                                   [Amphineuron tildeniae]
                                     <i>Ampelopteris</i>
                                             <i>Ampelopteris prolifera</i>
                                                   [Cyclosorus prolifer]
                                                   [Dryopteris prolifera]
                                     <i>Amphineuron</i>
                                             <i>Amphineuron opulentum</i>
                                     <i>C</i>
                                             <i>× chrinephrium thwaitesii</i>
                                                   [Meniscium thwaitesii]
                                     <i>Chingia</i>
                                             <i>Chingia christii</i>
                                             <i>Chingia clavipilosa</i>
                                               <i>Chingia clavipilosa var. javanica</i>
                                             <i>Chingia ferox</i>
                                                   [Thelypteris ferox]
                                             <i>Chingia fijiensis</i>
                                             <i>Chingia imponens</i>
                                             <i>Chingia longissima</i>
                                                   [Dryopteris longissima]
                                             <i>Chingia malodora</i>
                                             <i>Chingia marattioides</i>
                                                   [Plesioneuron marattioides]
                                             <i>Chingia paucipaleata</i>
                                             <i>Chingia perrigida</i>
                                             <i>Chingia sakayensis</i>
                                             <i>Chingia sambasensis</i>
                                             <i>Chingia supraspinigera</i>
                                                   [Dryopteris supraspinigera]
                                             <i>Chingia urens</i>
                                     <i>Christella</i>
                                             <i>Christella acuminata</i>
                                                   [Cyclosorus yamawakii]
                                                   [Dryopteris sophoroides]
                                               <i>Christella acuminata var. kuliangensis</i>
                                             <i>Christella albicaulis</i>
                                                   [Thelypteris albicaulis]
                                             <i>Christella arida</i>
                                                   [Cyclosorus cuspidatus]
                                                   [Nephrodium aridum]
                                             <i>Christella augescens</i>
                                                   [Cyclosorus augescens]
                                             <i>Christella boydiae</i>
                                             <i>Christella buchananii</i>
                                                   [Thelypteris dentata var. buchananii]
                                             <i>Christella burundensis</i>
                                             <i>Christella callensii</i>
                                                   [Cyclosorus callensii]
                                             <i>Christella chaseana</i>
                                                   [Thelypteris chaseana]
                                             <i>Christella clarkei</i>
                                                   [Cyclosorus cylindrothrix]
                                             <i>Christella conspersa</i>
                                                   [Dryopteris bangii]
                                                   [Thelypteris conspersa]
                                             <i>Christella crinipes</i>
                                                   [Cyclosorus crinipes]
                                                   [Nephrodium crinipes]
                                             <i>Christella cyatheoides</i>
                                                   [Aspidium cyatheoides]
                                             <i>Christella distans</i>
                                             <i>Christella ensifera</i>
                                                   [Cyclosorus ensifer]
                                             <i>Christella euphlebia</i>
                                             <i>Christella evoluta</i>
                                             <i>Christella friesii</i>
                                                   [Dryopteris friesii]
                                             <i>Christella fukienensis</i>
                                             <i>Christella grandis</i>
                                             <i>Christella gretheri</i>
                                             <i>Christella guamensis</i>
                                             <i>Christella gueintziana</i>
                                                   [Dryopteris gueintziana]
                                             <i>Christella gueinziana</i>
                                                   [Thelypteris gueinziana]
                                             <i>Christella guineensis</i>
                                                   [Dryopteris guineensis]
                                             <i>Christella harveyi</i>
                                                   [Dryopteris harveyi]
                                                   [Dryopteris obliquata]
                                             <i>Christella hispidula</i>
                                                   [Dryopteris hispidula]
                                               <i>Christella hispidula var. inconstans</i>
                                               <i>Christella hispidula var. versicolor</i>
                                             <i>Christella jaculosa</i>
                                             <i>Christella lebeufii</i>
                                             <i>Christella meeboldii</i>
                                             <i>Christella microbasis</i>
                                                   [Nephrodium microbasis]
                                             <i>Christella namburensis</i>
                                                   [Thelypteris namburensis]
                                             <i>Christella nana</i>
                                             <i>Christella normalis</i>
                                                   [Cyclosorus kunthii]
                                             <i>Christella oligophylla</i>
                                             <i>Christella ovata</i>
                                                   [Cyclosorus ovatus]
                                               <i>Christella ovata var. lindheimeri</i>
                                             <i>Christella papilio</i>
                                                   [Cyclosorus papilio]
                                             <i>Christella parasitica</i>
                                                   [Dryopteris procurrens]
                                                   [Nephrodium parasiticum]
                                             <i>Christella patens</i>
                                                   [Aspidium macrourum]
                                                   [Cyclosorus arcuatus]
                                                   [Dryopteris lepida]
                                                   [Dryopteris patens var. glandulosa]
                                             <i>Christella procera</i>
                                             <i>Christella prolixa</i>
                                                   [Dryopteris prolixa]
                                                   [Nephrodium prolixum]
                                                   [Thelypteris prolixa]
                                             <i>Christella pseudogueinziana</i>
                                                   [Dryopteris pseudogueinziana]
                                             <i>Christella puberula</i>
                                                   [Thelypteris feei]
                                               <i>Christella puberula var. sonorensis</i>
                                             <i>Christella quadrangularis</i>
                                             <i>Christella rupicola</i>
                                             <i>Christella schizotis</i>
                                             <i>Christella serra</i>
                                                   [Cyclosorus serra]
                                             <i>Christella siamensis</i>
                                             <i>Christella subdentata</i>
                                             <i>Christella subelata</i>
                                                   [Cyclosorus subelatus]
                                             <i>Christella subpubescens</i>
                                                   [Dryopteris subpubescens]
                                             <i>Christella tuerckheiimii</i>
                                                   [Nephrodium tuerckheimii]
                                                   [Thelypteris tuerckheimii]
                                     <i>Chrysodium</i>
                                     <i>Coryphopteris</i>
                                             <i>Coryphopteris andreae</i>
                                             <i>Coryphopteris angulariloba</i>
                                                   [Thelypteris angulariloba]
                                             <i>Coryphopteris arthrotricha</i>
                                             <i>Coryphopteris athyriocarpa</i>
                                             <i>Coryphopteris badia</i>
                                             <i>Coryphopteris castanea</i>
                                                   [Dryopteris castanea]
                                             <i>Coryphopteris diaphana</i>
                                             <i>Coryphopteris diversisora</i>
                                                   [Thelypteris diversisora]
                                             <i>Coryphopteris dura</i>
                                                   [Thelypteris dura]
                                             <i>Coryphopteris engleriana</i>
                                             <i>Coryphopteris fasciculata</i>
                                             <i>Coryphopteris gymnopoda</i>
                                                   [Thelypteris gymnopoda]
                                             <i>Coryphopteris habbemensis</i>
                                             <i>Coryphopteris hirsutipes</i>
                                             <i>Coryphopteris hubrechtensis</i>
                                             <i>Coryphopteris japonica</i>
                                             <i>Coryphopteris klossii</i>
                                             <i>Coryphopteris lauterbachii</i>
                                             <i>Coryphopteris multisora</i>
                                             <i>Coryphopteris musashiensis</i>
                                                   [Parathelypteris japonica var. musashiensis]
                                             <i>Coryphopteris nipponica</i>
                                                   [Thelypteris nipponica]
                                             <i>Coryphopteris obtusata</i>
                                             <i>Coryphopteris pectiniformis</i>
                                                   [Thelypteris pectiniformis]
                                             <i>Coryphopteris platyptera</i>
                                                   [Thelypteris platyptera]
                                             <i>Coryphopteris plumosa</i>
                                             <i>Coryphopteris pubirachis</i>
                                               <i>Coryphopteris pubirachis var. philippinensis</i>
                                             <i>Coryphopteris seemannii</i>
                                             <i>Coryphopteris simulata</i>
                                                   [Lastrea simulata]
                                             <i>Coryphopteris squamipes</i>
                                                   [Thelypteris squamipes]
                                             <i>Coryphopteris subnigra</i>
                                             <i>Coryphopteris unidentata</i>
                                             <i>Coryphopteris viscosa</i>
                                                   [Dryopteris viscosa]
                                                   [Thelypteris viscosa]
                                               <i>Coryphopteris viscosa var. borneensis</i>
                                               <i>Coryphopteris viscosa var. poiensis</i>
                                     <i>Cyclogramma</i>
                                             <i>Cyclogramma auriculata</i>
                                                   [Cyclogramma himalayensis]
                                                   [Dryopteris auriculata]
                                                   [Thelypteris auriculata]
                                             <i>Cyclogramma flexilis</i>
                                             <i>Cyclogramma leveillei</i>
                                             <i>Cyclogramma omeiensis</i>
                                                   [Glaphyropteris omeiensis]
                                                   [Thelypteris omeiensis]
                                             <i>Cyclogramma squamaestipes</i>
                                     <i>Cyclosorus</i>
                                             <i>Cyclosorus acuminatus</i>
                                             <i>Cyclosorus afer</i>
                                             <i>Cyclosorus aridus</i>
                                             <i>Cyclosorus boydiae</i>
                                               <i>Cyclosorus boydiae var. boydiae</i>
                                               <i>Cyclosorus boydiae var. kipahuluensis</i>
                                             <i>Cyclosorus clypeolutatus</i>
                                                   [Thelypteris clypeolutata]
                                             <i>Cyclosorus cyatheoides</i>
                                             <i>Cyclosorus erubescens</i>
                                                   [Phegopteris erubescens]
                                             <i>Cyclosorus exindusiatus</i>
                                             <i>Cyclosorus glandafrus</i>
                                                   [Thelypteris glandafra]
                                             <i>Cyclosorus gongylodes</i>
                                             <i>Cyclosorus gueinziana</i>
                                             <i>Cyclosorus heterocarpus</i>
                                                   [Thelypteris heterocarpa]
                                             <i>Cyclosorus hudsonianus</i>
                                             <i>Cyclosorus interruptus</i>
                                                   [Aspidium unitum]
                                                   [Cyclosorus venulosus]
                                                   [Dryopteris propinqua]
                                                   [Thelypteris goggilodus]
                                             <i>Cyclosorus molundensis</i>
                                                   [Dryopteris molundensis]
                                             <i>Cyclosorus opulentus</i>
                                             <i>Cyclosorus ornatipes</i>
                                                   [Pseudocyclosorus ornatipes]
                                             <i>Cyclosorus parasiticus</i>
                                             <i>Cyclosorus patens</i>
                                             <i>Cyclosorus pendens</i>
                                                   [Pneumatopteris pendens]
                                             <i>Cyclosorus pozoi</i>
                                             <i>Cyclosorus quadrangularis</i>
                                             <i>Cyclosorus sandwicensis</i>
                                             <i>Cyclosorus sophoroides</i>
                                             <i>Cyclosorus striatus</i>
                                                   [Aspidium striatum]
                                                   [Dryopteris striata]
                                             <i>Cyclosorus subpubescens</i>
                                             <i>Cyclosorus taiwanensis</i>
                                                   [Thelypteris taiwanensis]
                                             <i>Cyclosorus tottoides</i>
                                             <i>Cyclosorus tottus</i>
                                                   [Polypodium tottum]
                                             <i>Cyclosorus wailele</i>
                                             <i>Cyclosorus x incestus</i>
                                             <i>Cyclosorus x intermedius</i>
                                             <i>Cyclosorus x palmeri</i>
                                             <i>Cyclosorus × varievenulosa</i>
                                                   [Christella × varievenulosa]
                                                   [Thelypteris × varievenulosa]
                                             <i>Cyclosorus × wildemanii</i>
                                                   [Christella × wildemanii]
                                                   [Dryopteris wildemanii]
                                                   [Thelypteris × wildemanii]
                                     <i>Dictyocline</i>
                                               <i>Dictyocline griffithii var. wilfordii</i>
                                     <i>Glaphyropteridopsis</i>
                                             <i>Glaphyropteridopsis erubescens</i>
                                                   [Dryopteris erubescens]
                                                   [Polypodium erubescens]
                                             <i>Glaphyropteridopsis jinfushanensis</i>
                                             <i>Glaphyropteridopsis rufostraminea</i>
                                     <i>Glaphyropteris</i>
                                     <i>Goniopteris</i>
                                             <i>Goniopteris abdita</i>
                                             <i>Goniopteris abrupta</i>
                                                   [Dryopteris pyramidata]
                                             <i>Goniopteris alata</i>
                                             <i>Goniopteris ancyriothrix</i>
                                                   [Thelypteris ancyriothrix]
                                             <i>Goniopteris anoptera</i>
                                             <i>Goniopteris asplenioides</i>
                                                   [Cyclosorus asplenioides]
                                             <i>Goniopteris bermudiana</i>
                                             <i>Goniopteris bibrachiata</i>
                                                   [Thelypteris asterothrix var. bibrachiata]
                                             <i>Goniopteris biformata</i>
                                                   [Thelypteris biformata]
                                             <i>Goniopteris biolleyi</i>
                                             <i>Goniopteris blanda</i>
                                                   [Dryopteris caespitosa]
                                             <i>Goniopteris brittoniae</i>
                                             <i>Goniopteris burkartii</i>
                                                   [Thelypteris abbiattii]
                                             <i>Goniopteris calypso</i>
                                                   [Thelypteris calypso]
                                             <i>Goniopteris chocoensis</i>
                                                   [Thelypteris chocoensis]
                                             <i>Goniopteris cordata</i>
                                             <i>Goniopteris costaricensis</i>
                                                   [Thelypteris crenata]
                                             <i>Goniopteris crenata</i>
                                             <i>Goniopteris croatii</i>
                                                   [Thelypteris croatii]
                                             <i>Goniopteris crypta</i>
                                                   [Polypodium cryptum]
                                                   [Thelypteris crypta]
                                             <i>Goniopteris cumingiana</i>
                                                   [Dryopteris cumingiana]
                                             <i>Goniopteris curta</i>
                                                   [Thelypteris curta]
                                             <i>Goniopteris domingensis</i>
                                                   [Nephrodium scolopendrioides]
                                             <i>Goniopteris eggersii</i>
                                                   [Thelypteris eggersii]
                                             <i>Goniopteris equitans</i>
                                                   [Thelypteris equitans]
                                             <i>Goniopteris francoana</i>
                                                   [Nephrodium subintegrum]
                                                   [Thelypteris francoana]
                                             <i>Goniopteris fraseri</i>
                                             <i>Goniopteris gemmulifera</i>
                                                   [Thelypteris gemmulifera]
                                             <i>Goniopteris ghiesbreghtii</i>
                                             <i>Goniopteris hastata</i>
                                             <i>Goniopteris hatchii</i>
                                             <i>Goniopteris hildae</i>
                                             <i>Goniopteris imbricata</i>
                                                   [Dryopteris imbricata]
                                             <i>Goniopteris imitata</i>
                                             <i>Goniopteris incisa</i>
                                             <i>Goniopteris jamesonii</i>
                                                   [Thelypteris jamesonii]
                                                   [Thelypteris warmingii]
                                             <i>Goniopteris juruensis</i>
                                             <i>Goniopteris killipii</i>
                                                   [Thelypteris killipii]
                                             <i>Goniopteris leptocladia</i>
                                             <i>Goniopteris levyi</i>
                                                   [Thelypteris levyi]
                                             <i>Goniopteris liebmannii</i>
                                                   [Dryopteris liebmannii]
                                                   [Thelypteris meniscioides var. ternata]
                                             <i>Goniopteris lugubriformis</i>
                                             <i>Goniopteris lugubris</i>
                                                   [Dryopteris pseudotetragona]
                                                   [Thelypteris lugubris]
                                             <i>Goniopteris macrotis</i>
                                             <i>Goniopteris minor</i>
                                             <i>Goniopteris mollis</i>
                                                   [Dryopteris ghiesbreghtii]
                                             <i>Goniopteris monosora</i>
                                                   [Polypodium monosorum]
                                             <i>Goniopteris moranii</i>
                                             <i>Goniopteris nephrodioides</i>
                                             <i>Goniopteris nicaraguensis</i>
                                             <i>Goniopteris obliterata</i>
                                             <i>Goniopteris paranaensis</i>
                                             <i>Goniopteris paucijuga</i>
                                                   [Thelypteris paucijuga]
                                             <i>Goniopteris paucipinnata</i>
                                                   [Nephrodium fendleri var. paucipinnatum]
                                                   [Thelypteris paucipinnata]
                                             <i>Goniopteris pellita</i>
                                                   [Goniopteris asterothrix]
                                             <i>Goniopteris pennata</i>
                                                   [Aspidium megalodus]
                                             <i>Goniopteris pinnatifida</i>
                                                   [Thelypteris pinnatifida]
                                             <i>Goniopteris poiteana</i>
                                             <i>Goniopteris praetermissa</i>
                                                   [Thelypteris praetermissa]
                                             <i>Goniopteris prolifera</i>
                                             <i>Goniopteris radicans</i>
                                             <i>Goniopteris refracta</i>
                                             <i>Goniopteris reptans</i>
                                                   [Dryopteris reptans var. angusta]
                                             <i>Goniopteris resiliens</i>
                                                   [Thelypteris resiliens]
                                             <i>Goniopteris retroflexa</i>
                                                   [Dryopteris asplenioides]
                                             <i>Goniopteris rhachiflexuosa</i>
                                                   [Thelypteris rhachiflexuosa]
                                             <i>Goniopteris riograndensis</i>
                                             <i>Goniopteris sagittata</i>
                                                   [Thelypteris sagittata]
                                             <i>Goniopteris scabra</i>
                                             <i>Goniopteris schaffneri</i>
                                                   [Dryopteris schaffneri]
                                             <i>Goniopteris schippii</i>
                                                   [Dryopteris schippii]
                                             <i>Goniopteris sclerophylla</i>
                                             <i>Goniopteris scolopendrioides</i>
                                                   [Dryopteris incisa]
                                                   [Thelypteris scolopendrioides]
                                             <i>Goniopteris seidleri</i>
                                             <i>Goniopteris septemjuga</i>
                                                   [Goniopteris guadalupensis]
                                             <i>Goniopteris serrulata</i>
                                             <i>Goniopteris straminea</i>
                                             <i>Goniopteris tenera</i>
                                             <i>Goniopteris tetragona</i>
                                                   [Polypodium subtetragonum]
                                                   [Polypodium tetragonum]
                                               <i>Goniopteris tetragona subsp. tetragona</i>
                                                     [Thelypteris subtetragona]
                                             <i>Goniopteris toganetra</i>
                                             <i>Goniopteris tristis</i>
                                             <i>Goniopteris urbani</i>
                                                   [Thelypteris urbanii]
                                             <i>Goniopteris venusta</i>
                                               <i>Goniopteris venusta var. usitata</i>
                                                     [Nephrodium usitatum]
                                             <i>Goniopteris verecunda</i>
                                             <i>Goniopteris vivipara</i>
                                             <i>Goniopteris windischii</i>
                                             <i>Goniopteris ×tico</i>
                                     <i>Lastrea</i>
                                             <i>Lastrea aristata</i>
                                             <i>Lastrea augescens</i>
                                             <i>Lastrea deltoidea</i>
                                             <i>Lastrea elongata</i>
                                             <i>Lastrea filix-mas</i>
                                             <i>Lastrea globulifera</i>
                                             <i>Lastrea limbosperma</i>
                                             <i>Lastrea oregana</i>
                                             <i>Lastrea phegopteris</i>
                                             <i>Lastrea pseudomas</i>
                                             <i>Lastrea rigida</i>
                                             <i>Lastrea spinulosa</i>
                                     <i>Leptogramma</i>
                                             <i>Leptogramma burksiorum</i>
                                             <i>Leptogramma cyrtomioides</i>
                                             <i>Leptogramma gymnocarpa</i>
                                                   [Stegnogramma gymnocarpa]
                                                   [Thelypteris gymnocarpa]
                                             <i>Leptogramma mollissima</i>
                                                   [Stegnogramma pozoi subsp. mollissima]
                                             <i>Leptogramma pilosa</i>
                                                   [Dryopteris pilosa var. procurrens]
                                                   [Dryopteris pilosa]
                                               <i>Leptogramma pilosa var. alabamensis</i>
                                             <i>Leptogramma pozoi</i>
                                             <i>Leptogramma scallanii</i>
                                             <i>Leptogramma stegnogrammopsis</i>
                                             <i>Leptogramma totta</i>
                                                   [Dryopteris africana]
                                     <i>Macrothelypteris</i>
                                             <i>Macrothelypteris oligophlebia</i>
                                                   [Dryopteris oligophlebia]
                                                   [Macrothelypteris torresiana var. calvata]
                                                   [Thelypteris torresiana var. calvata]
                                               <i>Macrothelypteris oligophlebia var. elegans</i>
                                                     [Dryopteris elegans]
                                                     [Thelypteris oligophlebia var. elegans]
                                                     [Thelypteris uliginosa var. elegans]
                                             <i>Macrothelypteris ornata</i>
                                                   [Dryopteris ornata]
                                             <i>Macrothelypteris polypodioides</i>
                                             <i>Macrothelypteris setigera</i>
                                             <i>Macrothelypteris torresiana</i>
                                                   [Dryopteris setigera]
                                                   [Dryopteris uliginosa]
                                                   [Lastrea tenericaulis]
                                                   [Lastrea torresiana]
                                                   [Macrothelypteris terresiana]
                                                   [Nephrodium tenericaule]
                                                   [Polypodium pallidum]
                                                   [Thelypteris torresiana]
                                             <i>Macrothelypteris viridifrons</i>
                                                   [Thelypteris viridifrons]
                                     <i>Meniscium</i>
                                             <i>Meniscium andreanum</i>
                                                   [Dryopteris andreana]
                                             <i>Meniscium angustifolium</i>
                                             <i>Meniscium arborescens</i>
                                                   [Dryopteris salzmannii]
                                                   [Thelypteris standleyi]
                                             <i>Meniscium arcanum</i>
                                                   [Dryopteris arcana]
                                                   [Thelypteris arcana]
                                             <i>Meniscium chrysodioides</i>
                                                   [Dryopteris chrysodioides var. goyazensis]
                                                   [Dryopteris chrysodioides]
                                             <i>Meniscium cocleanum</i>
                                                   [Thelypteris cocleana]
                                             <i>Meniscium ensiforme</i>
                                             <i>Meniscium falcatum</i>
                                             <i>Meniscium giganteum</i>
                                                   [Thelypteris gigantea]
                                             <i>Meniscium lingulatum</i>
                                             <i>Meniscium longifolium</i>
                                                   [Thelypteris mollis]
                                             <i>Meniscium macrophyllum</i>
                                                   [Acrostichum fendleri]
                                                   [Dryopteris macrophylla]
                                                   [Thelypteris macrophylla]
                                             <i>Meniscium maxonianum</i>
                                             <i>Meniscium membranaceum</i>
                                                   [Thelypteris membranacea]
                                             <i>Meniscium pachysorum</i>
                                             <i>Meniscium reticulatum</i>
                                                   [Meniscium sorbifolium]
                                             <i>Meniscium salzmannii</i>
                                             <i>Meniscium standleyi</i>
                                     <i>Mesophlebion</i>
                                             <i>Mesophlebion arenicola</i>
                                             <i>Mesophlebion beccarianum</i>
                                             <i>Mesophlebion chlamydophorum</i>
                                             <i>Mesophlebion crassifolium</i>
                                                   [Nephrodium crassifolium]
                                                   [Thelypteris crassifolia]
                                             <i>Mesophlebion echinatum</i>
                                                   [Aspidium echinatum]
                                             <i>Mesophlebion hallieri</i>
                                             <i>Mesophlebion motleyanum</i>
                                             <i>Mesophlebion oligodictyon</i>
                                             <i>Mesophlebion trichopodum</i>
                                     <i>Metathelypteris</i>
                                             <i>Metathelypteris adscendens</i>
                                                   [Thelypteris adscendens]
                                             <i>Metathelypteris dayi</i>
                                                   [Thelypteris dayi]
                                                   [Thelypteris flavovirens]
                                             <i>Metathelypteris flaccida</i>
                                                   [Nephrodium flaccidum]
                                             <i>Metathelypteris fragilis</i>
                                                   [Dryopteris fragilis]
                                                   [Polypodium fragile]
                                               <i>Metathelypteris fragilis subsp. guineensis</i>
                                             <i>Metathelypteris gracilescens</i>
                                                   [Dryopteris arisanensis]
                                                   [Dryopteris gracilescens]
                                             <i>Metathelypteris hattori</i>
                                             <i>Metathelypteris laxa</i>
                                                   [Dryopteris laxa]
                                                   [Thelypteris laxa]
                                             <i>Metathelypteris singalanensis</i>
                                                   [Thelypteris singalanensis]
                                             <i>Metathelypteris uraiensis</i>
                                                   [Dryopteris uraiensis]
                                             <i>Metathelypteris vandervekenii</i>
                                     <i>Oreopteris</i>
                                             <i>Oreopteris limbosperma</i>
                                                   [Aspidium oreopteris]
                                                   [Dryopteris montana]
                                                   [Lastrea oreopteris]
                                                   [Nephrodium montanum]
                                                   [Thelypteris oreopteris]
                                             <i>Oreopteris quelpaertensis</i>
                                             <i>Oreopteris quelpartensis</i>
                                                   [Dryopteris quelpartensis]
                                                   [Lastrea quelpartensis]
                                                   [Thelypteris oreopteris var. hesperia]
                                                   [Thelypteris quelpartensis]
                                               <i>Oreopteris quelpartensis var. yakumontana</i>
                                     <i>Parathelypteris</i>
                                             <i>Parathelypteris angustifrons</i>
                                             <i>Parathelypteris beddomei</i>
                                             <i>Parathelypteris glanduligera</i>
                                                   [Thelypteris glanduligera]
                                             <i>Parathelypteris japonica</i>
                                                   [Thelypteris japonica]
                                             <i>Parathelypteris nevadensis</i>
                                             <i>Parathelypteris nipponica</i>
                                             <i>Parathelypteris serrulata</i>
                                             <i>Parathelypteris simulata</i>
                                                   [Aspidium simulatum]
                              Phegopteridoideae
                                     <i>Phegopteris</i>
                                             <i>Phegopteris alpestris</i>
                                             <i>Phegopteris aspidioides</i>
                                             <i>Phegopteris calcarea</i>
                                             <i>Phegopteris connectilis</i>
                                                   [Aspidium phegopteris]
                                                   [Phegopteris phegopteris]
                                                   [Polypodium phegopteris]
                                             <i>Phegopteris decursive-pinnata</i>
                                                   [Dryopteris decursive-pinnata]
                                                   [Nephrodium decursive-pinnatum]
                                             <i>Phegopteris excelsior</i>
                                             <i>Phegopteris hexagonoptera</i>
                                                   [Dryopteris hexagonoptera]
                                                   [Lastrea hexagonoptera]
                                                   [Polypodium hexagonopterum]
                                                   [Thelypteris hexagonoptera]
                                             <i>Phegopteris keraudreniana</i>
                                             <i>Phegopteris levingei</i>
                                                   [Pseudophegopteris levingei]
                                             <i>Phegopteris microstegia</i>
                                               <i>Phegopteris microstegia subsp. microstegia</i>
                                                     [Phegopteris bukoensis]
                                             <i>Phegopteris paludosa</i>
                                                   [Pseudophegopteris pyrrhorachis]
                                             <i>Phegopteris platyphylla</i>
                                             <i>Phegopteris polypodioides</i>
                                             <i>Phegopteris robertiana</i>
                                             <i>Phegopteris rudis</i>
                                             <i>Phegopteris subaurita</i>
                                     <i>Plesioneuron</i>
                                             <i>Plesioneuron archboldiae</i>
                                             <i>Plesioneuron attenuatum</i>
                                             <i>Plesioneuron belense</i>
                                             <i>Plesioneuron bipinnatum</i>
                                             <i>Plesioneuron costulisorum</i>
                                             <i>Plesioneuron crassum</i>
                                             <i>Plesioneuron cystodioides</i>
                                             <i>Plesioneuron dryas</i>
                                             <i>Plesioneuron dryopteroideum</i>
                                                   [Dryopteris atrispora]
                                             <i>Plesioneuron falcatipinnulum</i>
                                             <i>Plesioneuron fulgens</i>
                                             <i>Plesioneuron hopeanum</i>
                                             <i>Plesioneuron keysserianum</i>
                                             <i>Plesioneuron ligulatum</i>
                                                   [Dryopteris ligulata]
                                                   [Thelypteris ligulata]
                                             <i>Plesioneuron notabile</i>
                                             <i>Plesioneuron ophiura</i>
                                             <i>Plesioneuron prenticei</i>
                                                   [Dryopteris prenticei]
                                             <i>Plesioneuron pullei</i>
                                             <i>Plesioneuron regis</i>
                                                   [Pneumatopteris regis]
                                             <i>Plesioneuron rigidilobum</i>
                                             <i>Plesioneuron savaiense</i>
                                             <i>Plesioneuron tuberculatum</i>
                                                   [Thelypteris tuberculata]
                                             <i>Plesioneuron varievestitum</i>
                                                   [Dryopteris atrispora var. varievestita]
                                             <i>Plesioneuron wantotense</i>
                                             <i>Plesioneuron wariense</i>
                                                   [Dryopteris wariensis]
                                     <i>Pneumatopteris</i>
                                             <i>Pneumatopteris afra</i>
                                                   [Dryopteris afra]
                                             <i>Pneumatopteris blastophora</i>
                                                   [Cyclosorus blastophorus]
                                             <i>Pneumatopteris brooksii</i>
                                             <i>Pneumatopteris callosa</i>
                                             <i>Pneumatopteris costata</i>
                                             <i>Pneumatopteris egenolfioides</i>
                                             <i>Pneumatopteris glabra</i>
                                             <i>Pneumatopteris glandulifera</i>
                                                   [Dryopteris obstructa]
                                             <i>Pneumatopteris hudsoniana</i>
                                                   [Nephrodium hudsonianum]
                                             <i>Pneumatopteris ligulata</i>
                                                   [Dryopteris luerssenii]
                                             <i>Pneumatopteris mesocarpa</i>
                                                   [Dryopteris mesocarpa]
                                             <i>Pneumatopteris microauriculata</i>
                                             <i>Pneumatopteris nephrolepioides</i>
                                                   [Dryopteris nephrolepidioides]
                                             <i>Pneumatopteris oppositifolia</i>
                                                   [Dryopteris oppositifolia]
                                                   [Polypodium oppositifolium]
                                             <i>Pneumatopteris parksii</i>
                                             <i>Pneumatopteris pennigera</i>
                                             <i>Pneumatopteris prismaticus</i>
                                                   [Nephrodium prismaticus]
                                             <i>Pneumatopteris remotipinna</i>
                                                   [Dryopteris remotipinna]
                                             <i>Pneumatopteris sandwicensis</i>
                                             <i>Pneumatopteris stokesii</i>
                                             <i>Pneumatopteris subpennigera</i>
                                             <i>Pneumatopteris truncata</i>
                                                   [Cyclosorus truncatus]
                                                   [Dryopteris truncata]
                                             <i>Pneumatopteris unita</i>
                                                   [Phegopteris unita]
                                             <i>Pneumatopteris usambarensis</i>
                                             <i>Pneumatopteris venulosa</i>
                                                   [Cyclosorus elatus]
                                                   [Dryopteris venulosa]
                                     <i>Pronephrium</i>
                                           [Haplodictyum]
                                             <i>Pronephrium affine</i>
                                             <i>Pronephrium amboinense</i>
                                                   [Nephrodium amboinense]
                                             <i>Pronephrium amphitrichum</i>
                                             <i>Pronephrium aoristisorum</i>
                                                   [Thelypteris aoristisora]
                                             <i>Pronephrium aquatiloides</i>
                                             <i>Pronephrium asperum</i>
                                             <i>Pronephrium beccarianum</i>
                                             <i>Pronephrium camarinense</i>
                                                   [Thelypteris camarinensis]
                                             <i>Pronephrium celebicum</i>
                                             <i>Pronephrium clemensiae</i>
                                               <i>Pronephrium clemensiae var. degener</i>
                                             <i>Pronephrium cuspidatum</i>
                                             <i>Pronephrium firmulum</i>
                                             <i>Pronephrium giluwense</i>
                                             <i>Pronephrium granulosum</i>
                                             <i>Pronephrium gymnopteridifrons</i>
                                             <i>Pronephrium hosei</i>
                                             <i>Pronephrium inaequilobatum</i>
                                             <i>Pronephrium lineatum</i>
                                             <i>Pronephrium menisciicarpon</i>
                                             <i>Pronephrium merrillii</i>
                                                   [Thelypteris merrillii]
                                             <i>Pronephrium moniliforme</i>
                                             <i>Pronephrium nervosum</i>
                                             <i>Pronephrium nitidum</i>
                                             <i>Pronephrium nudatum</i>
                                             <i>Pronephrium peltatum</i>
                                               <i>Pronephrium peltatum var. aberrans</i>
                                             <i>Pronephrium penangianum</i>
                                             <i>Pronephrium pentaphyllum</i>
                                             <i>Pronephrium philippinum</i>
                                                   [Nannothelypteris philippina]
                                                   [Thelypteris philippina]
                                             <i>Pronephrium repandum</i>
                                                   [Thelypteris urophylla]
                                             <i>Pronephrium rhombeum</i>
                                             <i>Pronephrium rubrinerve</i>
                                             <i>Pronephrium samarense</i>
                                             <i>Pronephrium simillimum</i>
                                             <i>Pronephrium simplex</i>
                                             <i>Pronephrium solsonicum</i>
                                             <i>Pronephrium triphyllum</i>
                                                   [Thelypteris triphylla]
                                             <i>Pronephrium xiphioides</i>
                                     <i>Pseudocyclosorus</i>
                                             <i>Pseudocyclosorus camerounensis</i>
                                             <i>Pseudocyclosorus canus</i>
                                                   [Dryopteris molliuscula]
                                                   [Thelypteris molliuscula]
                                             <i>Pseudocyclosorus esquirolii</i>
                                                   [Thelypteris filix-femina]
                                             <i>Pseudocyclosorus falcilobus</i>
                                                   [Nephrodium falcilobum]
                                                   [Thelypteris falciloba]
                                             <i>Pseudocyclosorus ochthodes</i>
                                                   [Lastrea ochthodes]
                                             <i>Pseudocyclosorus petrophilus</i>
                                                   [Pneumatopteris petrophila]
                                             <i>Pseudocyclosorus pulcher</i>
                                                   [Thelypteris longicuspis]
                                                   [Thelypteris zambesiaca]
                                             <i>Pseudocyclosorus subochthodes</i>
                                             <i>Pseudocyclosorus tsoi</i>
                                             <i>Pseudocyclosorus tylodes</i>
                                                   [Aspidium tylodes]
                                     <i>Pseudophegopteris</i>
                                             <i>Pseudophegopteris aurita</i>
                                                   [Gymnogramma aurita]
                                             <i>Pseudophegopteris cruciata</i>
                                                   [Dryopteris cruciata]
                                                   [Phegopteris cruciata]
                                             <i>Pseudophegopteris dianae</i>
                                                   [Phegopteris dianae]
                                             <i>Pseudophegopteris henriquesii</i>
                                                   [Polypodium henriquesii]
                                             <i>Pseudophegopteris hirtirachis</i>
                                             <i>Pseudophegopteris keraudreniana</i>
                                                   [Dryopteris keraudreniana]
                                                   [Dryopteris rubiformis]
                                                   [Polypodium keraudrenianum]
                                             <i>Pseudophegopteris microstegia</i>
                                                   [Dryopteris brunnea]
                                                   [Pseudophegopteris bukoensis]
                                                   [Thelypteris brunnea]
                                             <i>Pseudophegopteris paludosa</i>
                                             <i>Pseudophegopteris rectangularis</i>
                                             <i>Pseudophegopteris subaurita</i>
                                     <i>Sphaerostephanos</i>
                                             <i>Sphaerostephanos acrostichoides</i>
                                                   [Cyclosorus perpiliferus]
                                             <i>Sphaerostephanos adenostegius</i>
                                                   [Pronephrium nothofageti]
                                             <i>Sphaerostephanos alatellus</i>
                                                   [Dryopteris alatella]
                                             <i>Sphaerostephanos albosetosus</i>
                                             <i>Sphaerostephanos alcasidii</i>
                                             <i>Sphaerostephanos angustifolius</i>
                                             <i>Sphaerostephanos appendiculatus</i>
                                             <i>Sphaerostephanos aquatilis</i>
                                             <i>Sphaerostephanos arbuscula</i>
                                               <i>Sphaerostephanos arbuscula subsp. africanus</i>
                                               <i>Sphaerostephanos arbuscula subsp. arbuscula</i>
                                             <i>Sphaerostephanos arbusculus</i>
                                                   [Nephrodium arbuscula]
                                                   [Thelypteris arbuscula]
                                               <i>Sphaerostephanos arbusculus subsp. arbusculus</i>
                                             <i>Sphaerostephanos archboldii</i>
                                                   [Dryopteris archboldii]
                                             <i>Sphaerostephanos arfakianus</i>
                                             <i>Sphaerostephanos atasripii</i>
                                             <i>Sphaerostephanos bakeri</i>
                                                   [Haplodictyum bakeri]
                                             <i>Sphaerostephanos baramensis</i>
                                             <i>Sphaerostephanos batacorum</i>
                                                   [Dryopteris batacorum]
                                             <i>Sphaerostephanos batjanensis</i>
                                             <i>Sphaerostephanos beccarianus</i>
                                             <i>Sphaerostephanos brauseanus</i>
                                             <i>Sphaerostephanos canescens</i>
                                             <i>Sphaerostephanos carrii</i>
                                             <i>Sphaerostephanos cartilagidens</i>
                                             <i>Sphaerostephanos cataractorum</i>
                                             <i>Sphaerostephanos confertus</i>
                                             <i>Sphaerostephanos convergens</i>
                                             <i>Sphaerostephanos debilis</i>
                                             <i>Sphaerostephanos decadens</i>
                                                   [Cyclosorus degeneri]
                                             <i>Sphaerostephanos dichrotrichoides</i>
                                             <i>Sphaerostephanos diminutus</i>
                                             <i>Sphaerostephanos dimorphus</i>
                                                   [Thelypteris morobensis]
                                             <i>Sphaerostephanos diversilobus</i>
                                                   [Dryopteris diversiloba]
                                                   [Thelypteris diversiloba]
                                             <i>Sphaerostephanos ellipticus</i>
                                             <i>Sphaerostephanos erectus</i>
                                             <i>Sphaerostephanos erwinii</i>
                                             <i>Sphaerostephanos flavoviridis</i>
                                             <i>Sphaerostephanos glandulosus</i>
                                                   [Dryopteris bartlettii]
                                                   [Pronephrium glandulosum]
                                             <i>Sphaerostephanos grandescens</i>
                                             <i>Sphaerostephanos gregarius</i>
                                             <i>Sphaerostephanos gymnorachis</i>
                                             <i>Sphaerostephanos hastatopinnatus</i>
                                             <i>Sphaerostephanos hernaezii</i>
                                             <i>Sphaerostephanos heterocarpos</i>
                                                   [Cyclosorus bordenii]
                                             <i>Sphaerostephanos heterocarpus</i>
                                             <i>Sphaerostephanos heterophyllus</i>
                                                   [Haplodictyum heterophyllum]
                                             <i>Sphaerostephanos hirsutus</i>
                                                   [Dryopteris adenophora]
                                             <i>Sphaerostephanos hispidifolius</i>
                                             <i>Sphaerostephanos hispiduliformis</i>
                                               <i>Sphaerostephanos hispiduliformis var. brassii</i>
                                             <i>Sphaerostephanos hochreutineri</i>
                                                   [Dryopteris hochreutineri]
                                             <i>Sphaerostephanos inconspicuus</i>
                                             <i>Sphaerostephanos invisus</i>
                                             <i>Sphaerostephanos irayensis</i>
                                             <i>Sphaerostephanos isomorphus</i>
                                             <i>Sphaerostephanos lamii</i>
                                             <i>Sphaerostephanos larutensis</i>
                                                   [Cyclosorus larutensis]
                                             <i>Sphaerostephanos lastreoides</i>
                                             <i>Sphaerostephanos latebrosus</i>
                                                   [Cyclosorus latebrosus]
                                                   [Sphaerostephanos todayensis]
                                             <i>Sphaerostephanos lithophyllus</i>
                                                   [Thelypteris lithophylla]
                                             <i>Sphaerostephanos lobangensis</i>
                                             <i>Sphaerostephanos lobatus</i>
                                             <i>Sphaerostephanos loherianus</i>
                                             <i>Sphaerostephanos maemonensis</i>
                                             <i>Sphaerostephanos magnus</i>
                                             <i>Sphaerostephanos major</i>
                                                   [Haplodictyum majus]
                                             <i>Sphaerostephanos melanophlebius</i>
                                                   [Pronephrium melanophlebium]
                                             <i>Sphaerostephanos mengenianus</i>
                                             <i>Sphaerostephanos microlonchus</i>
                                                   [Dryopteris microloncha]
                                             <i>Sphaerostephanos micropinnatus</i>
                                                   [Pronephrium micropinnatum]
                                             <i>Sphaerostephanos moseleyi</i>
                                             <i>Sphaerostephanos multiauriculatus</i>
                                             <i>Sphaerostephanos mutabilis</i>
                                             <i>Sphaerostephanos neotoppingii</i>
                                                   [Thelypteris toppingii]
                                             <i>Sphaerostephanos norrisii</i>
                                                   [Sphaerostephanos elmerorum]
                                             <i>Sphaerostephanos novoguineensis</i>
                                             <i>Sphaerostephanos omatianus</i>
                                             <i>Sphaerostephanos paripinnatus</i>
                                             <i>Sphaerostephanos penniger</i>
                                                   [Dryopteris megaphylla]
                                             <i>Sphaerostephanos pentaphyllus</i>
                                             <i>Sphaerostephanos perglanduliferus</i>
                                             <i>Sphaerostephanos pilososquamatus</i>
                                             <i>Sphaerostephanos porphyricola</i>
                                             <i>Sphaerostephanos productus</i>
                                                   [Cyclosorus productus]
                                                   [Cyclosorus truncatus var. kotoensis]
                                                   [Dryopteris pseudohirsuta]
                                             <i>Sphaerostephanos reineckei</i>
                                                   [Dryopteris reineckei]
                                             <i>Sphaerostephanos richardsii</i>
                                             <i>Sphaerostephanos rudis</i>
                                               <i>Sphaerostephanos rudis var. micans</i>
                                             <i>Sphaerostephanos sagittifolius</i>
                                                   [Dryopteris sagittifolia]
                                             <i>Sphaerostephanos santomasii</i>
                                             <i>Sphaerostephanos sarasinorum</i>
                                             <i>Sphaerostephanos scandens</i>
                                             <i>Sphaerostephanos scopulorum</i>
                                                   [Pronephrium scopulorum]
                                             <i>Sphaerostephanos sessilipinna</i>
                                                   [Thelypteris sessilipinna]
                                             <i>Sphaerostephanos simplicifolius</i>
                                             <i>Sphaerostephanos spenceri</i>
                                             <i>Sphaerostephanos stenodontus</i>
                                             <i>Sphaerostephanos stipellatus</i>
                                             <i>Sphaerostephanos subappendiculatus</i>
                                                   [Pneumatopteris subappendiculata]
                                             <i>Sphaerostephanos suboppositus</i>
                                             <i>Sphaerostephanos subpectinatus</i>
                                                   [Dryopteris subpectinata]
                                             <i>Sphaerostephanos subtruncatus</i>
                                             <i>Sphaerostephanos superbus</i>
                                                   [Pneumatopteris superba]
                                             <i>Sphaerostephanos taiwanensis</i>
                                             <i>Sphaerostephanos tephrophyllus</i>
                                             <i>Sphaerostephanos unitus</i>
                                                   [Cyclosorus unitus]
                                             <i>Sphaerostephanos urdanetensis</i>
                                             <i>Sphaerostephanos veitchii</i>
                                             <i>Sphaerostephanos vestigiatus</i>
                                             <i>Sphaerostephanos warburgii</i>
                                             <i>Sphaerostephanos wauensis</i>
                                             <i>Sphaerostephanos womersleyi</i>
                                     <i>Stegnogramma</i>
                                             <i>Stegnogramma aspidioides</i>
                                             <i>Stegnogramma burksiorum</i>
                                             <i>Stegnogramma dictyoclinoides</i>
                                             <i>Stegnogramma griffithii</i>
                                                   [Cyclosorus griffithii]
                                                   [Dictyocline griffithii]
                                             <i>Stegnogramma mollissima</i>
                                             <i>Stegnogramma pilosa</i>
                                             <i>Stegnogramma pozoi</i>
                                                   [Gymnogramma totta]
                                                   [Hemionitis pozoi]
                                                   [Thelypteris pozoi]
                                               <i>Stegnogramma pozoi var. petiolata</i>
                                             <i>Stegnogramma sagittifolia</i>
                                                   [Dictyocline sagittifolia]
                                             <i>Stegnogramma tottoides</i>
                                                   [Leptogramma tottoides]
                                             <i>Stegnogramma wilfordii</i>
                                                   [Stegnogramma griffithii var. wilfordii]
                                     <i>Steiropteris</i>
                                             <i>Steiropteris buchtienii</i>
                                             <i>Steiropteris clypeolutata</i>
                                               <i>Steiropteris clypeolutata var. holmei</i>
                                                     [Thelypteris clypeolutata var. holmei]
                                             <i>Steiropteris decussata</i>
                                                   [Phegopteris decussata]
                                               <i>Steiropteris decussata subsp. mapiriensis</i>
                                                     [Thelypteris mapiriensis]
                                               <i>Steiropteris decussata var. brasiliensis</i>
                                               <i>Steiropteris decussata var. decussata</i>
                                             <i>Steiropteris deltoidea</i>
                                             <i>Steiropteris fendleri</i>
                                                   [Nephrodium fendleri]
                                             <i>Steiropteris gardneriana</i>
                                                   [Thelypteris gardneriana]
                                             <i>Steiropteris glandulosa</i>
                                                   [Polypodium glandulosum]
                                               <i>Steiropteris glandulosa var. brachyodus</i>
                                                     [Thelypteris glandulosa var. brachyodus]
                                               <i>Steiropteris glandulosa var. glandulosa</i>
                                               <i>Steiropteris glandulosa var. longipilosa</i>
                                                     [Thelypteris glandulosa var. longipilosa]
                                             <i>Steiropteris leprieurii</i>
                                                   [Thelypteris leprieurii]
                                               <i>Steiropteris leprieurii var. costalis</i>
                                               <i>Steiropteris leprieurii var. subcostalis</i>
                                                     [Thelypteris leprieurii var. subcostalis]
                                             <i>Steiropteris lonchodes</i>
                                                   [Aspidium lonchodes]
                                                   [Dryopteris lonchodes]
                                                   [Nephrodium lonchodes]
                                                   [Thelypteris lonchodes]
                                             <i>Steiropteris mexiae</i>
                                                   [Dryopteris mexiae]
                                                   [Thelypteris mexiae]
                                             <i>Steiropteris pennellii</i>
                                                   [Thelypteris pennellii]
                                             <i>Steiropteris polypodioides</i>
                                                   [Ceterach polypodioides]
                                             <i>Steiropteris seemannii</i>
                                                   [Thelypteris seemannii]
                                             <i>Steiropteris valdepilosa</i>
                                                   [Thelypteris valdepilosa]
                                             <i>Steiropteris villosa</i>
                                             <i>Steiropteris wrightii</i>
                                                   [Aspidium wrightii]
                                     <i>Thelypteris</i>
                                             <i>Thelypteris abdita</i>
                                             <i>Thelypteris abrupta</i>
                                             <i>Thelypteris acuminata</i>
                                             <i>Thelypteris amphioxypteris</i>
                                             <i>Thelypteris angustifolia</i>
                                             <i>Thelypteris arborescens</i>
                                                   [Phegopteris arborescens]
                                             <i>Thelypteris asplenioides</i>
                                             <i>Thelypteris asterothrix</i>
                                             <i>Thelypteris augescens</i>
                                             <i>Thelypteris bakeri</i>
                                                   [Nephrodium bakeri]
                                             <i>Thelypteris balbisii</i>
                                                   [Dryopteris sprengelii]
                                                   [Thelypteris sprengelii]
                                               <i>Thelypteris balbisii var. balbisii</i>
                                             <i>Thelypteris beddomei</i>
                                             <i>Thelypteris biolleyi</i>
                                             <i>Thelypteris blanda</i>
                                                   [Dryopteris blanda]
                                                   [Dryopteris polyphylla]
                                                   [Phegopteris caespitosa]
                                             <i>Thelypteris blepharis</i>
                                             <i>Thelypteris boottii</i>
                                             <i>Thelypteris boydiae</i>
                                             <i>Thelypteris brittonae</i>
                                                   [Thelypteris brittoniae]
                                             <i>Thelypteris burksiorum</i>
                                             <i>Thelypteris cheilanthoides</i>
                                               <i>Thelypteris cheilanthoides var. cheilanthoides</i>
                                             <i>Thelypteris concinna</i>
                                             <i>Thelypteris confluens</i>
                                                   [Nephrodium squamulosum]
                                                   [Thelypteris cyclolepis]
                                               <i>Thelypteris confluens var. pubescens</i>
                                             <i>Thelypteris consanguinea</i>
                                             <i>Thelypteris cordata</i>
                                               <i>Thelypteris cordata var. cordata</i>
                                               <i>Thelypteris cordata var. imitata</i>
                                             <i>Thelypteris cristata</i>
                                               <i>Thelypteris cristata var. clintoniana</i>
                                             <i>Thelypteris cumingiana</i>
                                             <i>Thelypteris cyatheoides</i>
                                             <i>Thelypteris decursive-pinnata</i>
                                             <i>Thelypteris decussata</i>
                                                   [Thelypteris decussata var. decussata]
                                             <i>Thelypteris deflexa</i>
                                                   [Polypodium deflexum]
                                             <i>Thelypteris deltoidea</i>
                                             <i>Thelypteris dentata</i>
                                                   [Christella dentata]
                                                   [Cyclosorus dentatus]
                                                   [Dryopteris dentata]
                                                   [Thelypteris reducta]
                                             <i>Thelypteris diplazioides</i>
                                             <i>Thelypteris esquirolii</i>
                                             <i>Thelypteris exindusiata</i>
                                             <i>Thelypteris falcata</i>
                                             <i>Thelypteris forsteri</i>
                                             <i>Thelypteris fragrans</i>
                                             <i>Thelypteris germaniana</i>
                                             <i>Thelypteris ghiesbreghtii</i>
                                               <i>Thelypteris glanduligera var. hyalostegia</i>
                                             <i>Thelypteris glandulosa</i>
                                                   [Thelypteris glandulosa var. glandulosa]
                                             <i>Thelypteris globulifera</i>
                                             <i>Thelypteris gongylodes</i>
                                             <i>Thelypteris gracilescens</i>
                                             <i>Thelypteris gracilis</i>
                                             <i>Thelypteris grandis</i>
                                               <i>Thelypteris grandis var. grandis</i>
                                             <i>Thelypteris gretheri</i>
                                             <i>Thelypteris guadalupensis</i>
                                             <i>Thelypteris guamensis</i>
                                             <i>Thelypteris hastata</i>
                                               <i>Thelypteris hastata var. hastata</i>
                                               <i>Thelypteris hastata var. heterodoxa</i>
                                             <i>Thelypteris hatchii</i>
                                             <i>Thelypteris hawaiiensis</i>
                                             <i>Thelypteris hildae</i>
                                             <i>Thelypteris hirta</i>
                                             <i>Thelypteris hispidula</i>
                                               <i>Thelypteris hispidula var. hispidula</i>
                                               <i>Thelypteris hispidula var. inconstans</i>
                                               <i>Thelypteris hispidula var. versicolor</i>
                                             <i>Thelypteris hudsoniana</i>
                                             <i>Thelypteris imbricata</i>
                                             <i>Thelypteris imitata</i>
                                             <i>Thelypteris inabonensis</i>
                                             <i>Thelypteris interrupta</i>
                                             <i>Thelypteris invisa</i>
                                             <i>Thelypteris juruensis</i>
                                             <i>Thelypteris kunthii</i>
                                                   [Dryopteris normalis]
                                                   [Dryopteris saxatilis]
                                                   [Thelypteris macrorhizoma]
                                                   [Thelypteris normalis var. harperi]
                                                   [Thelypteris normalis]
                                                   [Thelypteris saxatilis]
                                                   [Thelypteris unca]
                                             <i>Thelypteris lanosa</i>
                                             <i>Thelypteris leptocladia</i>
                                             <i>Thelypteris limbosperma</i>
                                             <i>Thelypteris lingulata</i>
                                             <i>Thelypteris linkiana</i>
                                             <i>Thelypteris loreae</i>
                                             <i>Thelypteris macilenta</i>
                                             <i>Thelypteris maemonensis</i>
                                             <i>Thelypteris marginalis</i>
                                             <i>Thelypteris megalodus</i>
                                             <i>Thelypteris meniscioides</i>
                                             <i>Thelypteris minor</i>
                                             <i>Thelypteris namaphila</i>
                                             <i>Thelypteris namophila</i>
                                             <i>Thelypteris nemoralis</i>
                                             <i>Thelypteris nephrodioides</i>
                                             <i>Thelypteris nevadensis</i>
                                             <i>Thelypteris nicaraguensis</i>
                                             <i>Thelypteris noveboracensis</i>
                                                   [Aspidium noveboracense]
                                                   [Dryopteris noveboracensis]
                                                   [Parathelypteris noveboracensis]
                                                   [Thelypteris thelypteroides]
                                             <i>Thelypteris nubigena</i>
                                             <i>Thelypteris obliterata</i>
                                             <i>Thelypteris oligocarpa</i>
                                                   [Dryopteris columbiana]
                                             <i>Thelypteris oligophlebia</i>
                                             <i>Thelypteris oligophylla</i>
                                             <i>Thelypteris opposita</i>
                                             <i>Thelypteris opulenta</i>
                                             <i>Thelypteris oregana</i>
                                             <i>Thelypteris ovata</i>
                                               <i>Thelypteris ovata var. lindheimeri</i>
                                               <i>Thelypteris ovata var. ovata</i>
                                             <i>Thelypteris pachyrhachis</i>
                                                   [Nephrodium jenmanii]
                                               <i>Thelypteris pachyrhachis var. jenmanii</i>
                                               <i>Thelypteris pachyrhachis var. pachyrhachis</i>
                                             <i>Thelypteris palustris</i>
                                                   [Aspidium thelypteris]
                                               <i>Thelypteris palustris subsp. palustris</i>
                                                     [Lastrea thelypteris]
                                                     [Thelypteris thelypteris]
                                               <i>Thelypteris palustris subsp. pubescens</i>
                                                     [Thelypteris palustris f. pufferae]
                                                     [Thelypteris palustris f. serratipinnula]
                                               <i>Thelypteris palustris var. haleana</i>
                                               <i>Thelypteris palustris var. palustris</i>
                                               <i>Thelypteris palustris var. pubescens</i>
                                                     [Dryopteris tremula]
                                             <i>Thelypteris parasitica</i>
                                             <i>Thelypteris patens</i>
                                                   [Aspidium patens]
                                               <i>Thelypteris patens var. patens</i>
                                               <i>Thelypteris patens var. scabriuscula</i>
                                               <i>Thelypteris patens var. smithiana</i>
                                             <i>Thelypteris pellita</i>
                                             <i>Thelypteris pennata</i>
                                             <i>Thelypteris pennigera</i>
                                                   [Dryopteris pennigera]
                                             <i>Thelypteris phegopteris</i>
                                             <i>Thelypteris piedrensis</i>
                                             <i>Thelypteris pilosa</i>
                                               <i>Thelypteris pilosa var. alabamensis</i>
                                               <i>Thelypteris pilosa var. major</i>
                                               <i>Thelypteris pilosa var. pilosa</i>
                                             <i>Thelypteris pilosula</i>
                                             <i>Thelypteris poiteana</i>
                                                   [Phegopteris crenata]
                                             <i>Thelypteris polypodioides</i>
                                             <i>Thelypteris prolifera</i>
                                             <i>Thelypteris pteroidea</i>
                                                   [Phegopteris pteroidea]
                                             <i>Thelypteris puberula</i>
                                                   [Dryopteris feei]
                                                   [Thelypteris augescens var. puberula]
                                               <i>Thelypteris puberula var. puberula</i>
                                               <i>Thelypteris puberula var. sonorensis</i>
                                             <i>Thelypteris pusilla</i>
                                             <i>Thelypteris quadrangularis</i>
                                               <i>Thelypteris quadrangularis var. inconstans</i>
                                               <i>Thelypteris quadrangularis var. quadrangularis</i>
                                               <i>Thelypteris quadrangularis var. versicolor</i>
                                             <i>Thelypteris quelpaertensis</i>
                                                   [Dryopteris oreopteris]
                                                   [Polypodium limbospermum]
                                             <i>Thelypteris reptans</i>
                                               <i>Thelypteris reptans var. reptans</i>
                                               <i>Thelypteris reptans var. tenera</i>
                                             <i>Thelypteris resinifera</i>
                                                   [Thelypteris panamensis]
                                               <i>Thelypteris resinifera var. resinifera</i>
                                             <i>Thelypteris reticulata</i>
                                             <i>Thelypteris retroflexa</i>
                                             <i>Thelypteris rheophyta</i>
                                             <i>Thelypteris rudis</i>
                                             <i>Thelypteris rustica</i>
                                                   [Dryopteris rustica]
                                             <i>Thelypteris sancta</i>
                                               <i>Thelypteris sancta var. portoricensis</i>
                                             <i>Thelypteris schaffneri</i>
                                             <i>Thelypteris schizotis</i>
                                             <i>Thelypteris sclerophylla</i>
                                             <i>Thelypteris serra</i>
                                             <i>Thelypteris serrata</i>
                                                   [Dryopteris serrata]
                                                   [Meniscium serratum]
                                             <i>Thelypteris serrulata</i>
                                             <i>Thelypteris setigera</i>
                                             <i>Thelypteris simulata</i>
                                             <i>Thelypteris spinulosa</i>
                                               <i>Thelypteris spinulosa var. americana</i>
                                               <i>Thelypteris spinulosa var. dilatata</i>
                                               <i>Thelypteris spinulosa var. intermedia</i>
                                             <i>Thelypteris stegnogramma</i>
                                             <i>Thelypteris striata</i>
                                             <i>Thelypteris struthiopteroides</i>
                                             <i>Thelypteris subaurita</i>
                                             <i>Thelypteris submarginalis</i>
                                             <i>Thelypteris subochthodes</i>
                                             <i>Thelypteris subpubescens</i>
                                             <i>Thelypteris tablana</i>
                                                   [Aspidium tablanum]
                                             <i>Thelypteris tenebrica</i>
                                             <i>Thelypteris tetragona</i>
                                                   [Phegopteris tetragona]
                                             <i>Thelypteris thelypterioides</i>
                                             <i>Thelypteris thomsonii</i>
                                             <i>Thelypteris toganetra</i>
                                             <i>Thelypteris totta</i>
                                             <i>Thelypteris tristis</i>
                                                   [Dryopteris tristis]
                                             <i>Thelypteris truncata</i>
                                             <i>Thelypteris tuxtlensis</i>
                                             <i>Thelypteris uliginosa</i>
                                             <i>Thelypteris unita</i>
                                             <i>Thelypteris venusta</i>
                                             <i>Thelypteris verecunda</i>
                                             <i>Thelypteris versicolor</i>
                                             <i>Thelypteris vivipara</i>
                                             <i>Thelypteris wailele</i>
                                             <i>Thelypteris warburgii</i>
                                             <i>Thelypteris x incesta</i>
                                             <i>Thelypteris x invisa</i>
                                             <i>Thelypteris x lindheimeri</i>
                                                   [Dryopteris normalis var. lindheimeri]
                                             <i>Thelypteris x palmeri</i>
                                             <i>Thelypteris x rolandii</i>
                                             <i>Thelypteris yaucoensis</i>
                              Thelypteroideae
                                     <i>Grypothrix</i>
                                             <i>Grypothrix acanthocarpum</i>
                                             <i>Grypothrix cuspidata</i>
                                                   [Meniscium cuspidatum]
                                             <i>Grypothrix longipetiolata</i>
                                                   [Pronephrium longipetiolatum]
                                             <i>Grypothrix megacuspis</i>
                                                   [Pronephrium megacuspe]
                                             <i>Grypothrix ramosii</i>
                                                   [Pronephrium liukiuense]
                                             <i>Grypothrix rubicunda</i>
                                             <i>Grypothrix salicifolia</i>
                                                   [Pronephrium salicifolium]
                                             <i>Grypothrix simplex</i>
                                                   [Cyclosorus simplex]
                                             <i>Grypothrix triphylla</i>
                                                   [Dryopteris triphylla]
                                                   [Meniscium triphyllum]
                                     <i>Hoiokula</i>
                                             <i>Hoiokula sandwicensis</i>
                                                   [Polypodium stegnogrammoides]
                                                   [Stegnogramma sandwicensis]
                                                   [Thelypteris stegnogrammoides]
                                     <i>Menisciopsis</i>
                                             <i>Menisciopsis boydiae</i>
                                                   [Aspidium boydiae]
                                             <i>Menisciopsis cyatheoides</i>
                                                   [Nephrodium cyatheoides]
                                             <i>Menisciopsis lakhimpurensis</i>
                                             <i>Menisciopsis penangiana</i>
                                                   [Polypodium lineatum]
                                             <i>Menisciopsis rubida</i>
                                                   [Pronephrium rubidum]
                                             <i>Menisciopsis rubrinervis</i>
                                                   [Polypodium rubrinerve]
                                     <i>Menisorus</i>
                                             <i>Menisorus pauciflorus</i>
                                                   [Meniscium pauciflorum]
                                             <i>Menisorus unitus</i>
                                                   [Thelypteris madagascariensis]
                                                   [Thelypteris subpennigera]
                                     <i>Mesopteris</i>
                                             <i>Mesopteris attenuata</i>
                                             <i>Mesopteris ceramica</i>
                                                   [Amphineuron ceramicum]
                                             <i>Mesopteris paraphysophora</i>
                                             <i>Mesopteris pseudostenobasis</i>
                                                   [Thelypteris pseudostenobasis]
                                     <i>Pakau</i>
                                             <i>Pakau pennigera</i>
                                                   [Cyclosorus pennigerus]
                                     <i>Pelazoneuron</i>
                                             <i>Pelazoneuron abruptum</i>
                                               <i>Pelazoneuron abruptum var. grande</i>
                                               <i>Pelazoneuron abruptum var. pallescens</i>
                                                     [Thelypteris grandis var. pallescens]
                                             <i>Pelazoneuron albicaule</i>
                                             <i>Pelazoneuron augescens</i>
                                                   [Aspidium augescens]
                                             <i>Pelazoneuron berroi</i>
                                             <i>Pelazoneuron clivale</i>
                                                   [Christella clivalis]
                                                   [Dryopteris oligophylla var. aequatorialis]
                                             <i>Pelazoneuron cretaceum</i>
                                                   [Thelypteris cretacea]
                                             <i>Pelazoneuron invisum</i>
                                             <i>Pelazoneuron kunthii</i>
                                             <i>Pelazoneuron lanosum</i>
                                             <i>Pelazoneuron ovatum</i>
                                               <i>Pelazoneuron ovatum var. lindheimeri</i>
                                               <i>Pelazoneuron ovatum var. ovatum</i>
                                             <i>Pelazoneuron patens</i>
                                                   [Nephrodium macrourum]
                                             <i>Pelazoneuron puberulum</i>
                                               <i>Pelazoneuron puberulum var. sonorense</i>
                                             <i>Pelazoneuron schizotis</i>
                                             <i>Pelazoneuron serra</i>
                                             <i>Pelazoneuron tuerckheimii</i>
                                     <i>Reholttumia</i>
                                             <i>Reholttumia costata</i>
                                             <i>Reholttumia ecallosa</i>
                                             <i>Reholttumia hudsoniana</i>
                                                   [Aspidium hudsonianum]
                                             <i>Reholttumia inclusa</i>
                                                   [Pneumatopteris inclusa]
                                             <i>Reholttumia laevis</i>
                                             <i>Reholttumia longipes</i>
                                             <i>Reholttumia magnifica</i>
                                             <i>Reholttumia michaelis</i>
                                             <i>Reholttumia nitidula</i>
                                                   [Pneumatopteris nitidula]
                                             <i>Reholttumia oxyoura</i>
                                                   [Pneumatopteris oxyoura]
                                             <i>Reholttumia papuana</i>
                                             <i>Reholttumia rodigasiana</i>
                                                   [Pneumatopteris rodigasiana]
                                             <i>Reholttumia sogerensis</i>
                                             <i>Reholttumia truncata</i>
                                                   [Dryopteris laevifrons]
                                                   [Nephrodium truncatum]
                                     <i>Strophocaulon</i>
                                             <i>Strophocaulon invisum</i>
                                                   [Cyclosorus invisus]
                                                   [Dryopteris invisa]
                                             <i>Strophocaulon unitum</i>
                                                   [Dryopteris haenkeana]
                                                   [Nephrodium cucullatum]
                                                   [Nephrodium unitum]
                                               <i>Strophocaulon unitum var. mucronatum</i>
                                     <i>Toppingia</i>
                                             <i>Toppingia keraudreniana</i>
                                     <i>Trigonospora</i>
                                             <i>Trigonospora calcarata</i>
                                                   [Dryopteris calcarata]
                                                   [Thelypteris calcarata]
                                             <i>Trigonospora caudipinna</i>
                                             <i>Trigonospora tenera</i>
                                                   [Dryopteris pinnata]
                                                   [Lastrea pinnata]
                                                   [Thelypteris ciliata]
                                             <i>Trigonospora zeylanica</i>
                                     <i>Wagneriopteris</i>
                                             <i>Wagneriopteris ogasawarensis</i>
                                                   [Thelypteris ogasawarensis]
                                     <i>× Chrismatopteris</i>
                                             <i>× Chrismatopteris holttumii</i>

Problematic Rooting (337387)
                                               <i>Pseudophegopteris pyrrhorachis subsp. laterepens</i>

Problematic Rooting (489649)
                                               <i>Sphaerostephanos elatus subsp. thomensis</i>