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  Plantae
    Tracheobionta
      Pteridophyta
            Polypodiopsida
                    Polypodiales
                            Pteridaceae
                                     Acrostichum
                                             Acrostichum alatum
                                             Acrostichum apodum
                                             Acrostichum attenuatum
                                             Acrostichum aureonitens
                                             Acrostichum aureum
                                             Acrostichum calomelanos
                                             Acrostichum chrysoconium
                                             Acrostichum citrifolium
                                             Acrostichum cuspidatum
                                             Acrostichum danaeifolium
                                             Acrostichum diversifolium
                                             Acrostichum elegans
                                             Acrostichum gillianum
                                             Acrostichum hirtipes
                                             Acrostichum insigne
                                             Acrostichum latifolium
                                             Acrostichum nodosum
                                             Acrostichum peltatum
                                             Acrostichum pilosum
                                             Acrostichum rufum
                                             Acrostichum scariosum
                                             Acrostichum scolopendrifolium
                                             Acrostichum sinuatum
                                             Acrostichum spectabile
                                             Acrostichum sprucei
                                             Acrostichum subsessile
                                             Acrostichum tartareum
                                             Acrostichum tereticaulon
                                             Acrostichum viscosum
                                     Actiniopteris
                                             Actiniopteris radiata
                                                   [Asplenium radiatum]
                                     Adiantopsis
                                             Adiantopsis australopedata
                                             Adiantopsis chlorophylla
                                                   [Adiantopsis chlorophylla var. paludosa]
                                             Adiantopsis dichotoma
                                             Adiantopsis lindigii
                                                   [Cheilanthes lindigii]
                                             Adiantopsis monticola
                                             Adiantopsis occulta
                                                   [Adiantopsis chlorophylla f. paludosa]
                                             Adiantopsis radiata
                                                   [Adiantopsis propinqua]
                                                   [Cheilanthes propinqua]
                                             Adiantopsis seemannii
                                             Adiantopsis senae
                                                   [Adiantum senae]
                                     Adiantum
                                             Adiantum abscissum
                                             Adiantum alarconianum
                                             Adiantum aleuticum
                                                   [Adiantum pedatum var. aleuticum]
                                             Adiantum amplum
                                             Adiantum anceps
                                             Adiantum andicola
                                                   [Adiantum cooperi]
                                             Adiantum argutum
                                             Adiantum asperum
                                             Adiantum bellum
                                                   [Adiantum bellum var. walsingense]
                                             Adiantum boliviense
                                             Adiantum brasiliense
                                             Adiantum braunii
                                             Adiantum cajennense
                                             Adiantum calcareum
                                             Adiantum capillatum
                                             Adiantum capillus-veneris
                                             Adiantum caribense
                                             Adiantum caryotideum
                                             Adiantum caudatum
                                             Adiantum cayennense
                                             Adiantum chilense
                                               Adiantum chilense var. chilense
                                               Adiantum chilense var. scabrum
                                               Adiantum chilense var. sulphureum
                                                     [Adiantum sulphureum var. subsulphureum]
                                             Adiantum cinnamomeum
                                             Adiantum colpodes
                                             Adiantum concinnum
                                             Adiantum cordatum
                                             Adiantum crenatum
                                             Adiantum crespianum
                                             Adiantum cristatum
                                             Adiantum cultratum
                                             Adiantum cuneatum
                                             Adiantum curvatum
                                             Adiantum dawsonii
                                             Adiantum decoratum
                                             Adiantum decorum
                                             Adiantum deflectens
                                             Adiantum delicatulum
                                             Adiantum digitatum
                                             Adiantum diogoanum
                                             Adiantum dolosum
                                             Adiantum elegantulum
                                             Adiantum excisum
                                             Adiantum feei
                                                   [Adiantum flexuosum]
                                             Adiantum filiforme
                                                   [Adiantum glareosum]
                                             Adiantum fructuosum
                                             Adiantum fuliginosum
                                             Adiantum galeottianum
                                             Adiantum gertrudis
                                             Adiantum glanduliferum
                                             Adiantum glaucescens
                                             Adiantum gracile
                                             Adiantum grossum
                                             Adiantum guianense
                                             Adiantum haenkeanum
                                             Adiantum henslovianum
                                               Adiantum henslovianum var. macrosorum
                                             Adiantum hispidulum
                                                   [Adiantum lindsaea]
                                             Adiantum humile
                                             Adiantum imbricatum
                                             Adiantum incertum
                                             Adiantum incisum
                                             Adiantum intermedium
                                             Adiantum isthmicum
                                             Adiantum jordanii
                                             Adiantum kalbreyeri
                                             Adiantum killipii
                                             Adiantum krameri
                                             Adiantum laetum
                                             Adiantum lancea
                                             Adiantum latifolium
                                                   [Adiantum glaziovii]
                                             Adiantum leprieurii
                                             Adiantum lobatum
                                             Adiantum lorentzii
                                             Adiantum lucidum
                                               Adiantum lucidum var. poeppigianum
                                             Adiantum lunulatum
                                             Adiantum macrocladum
                                             Adiantum macrophyllum
                                             Adiantum mariposatum
                                             Adiantum mathewsianum
                                             Adiantum melanoleucum
                                             Adiantum mexiae
                                             Adiantum microsorium
                                             Adiantum moorei
                                             Adiantum nudum
                                             Adiantum oaxacanum
                                             Adiantum oblique-truncatum
                                             Adiantum obliquum
                                             Adiantum olivaceum
                                             Adiantum orbignyanum
                                             Adiantum pactinatum
                                             Adiantum palmatum
                                             Adiantum paraense
                                                   [Adiantum amazonicum]
                                             Adiantum patens
                                             Adiantum pectinatum
                                             Adiantum pedatum
                                             Adiantum pentadactylon
                                             Adiantum peruvianum
                                             Adiantum petiolatum
                                                   [Adiantum kaulfussii]
                                             Adiantum philippense
                                             Adiantum phyllitidis
                                             Adiantum platyphyllum
                                             Adiantum poeppigianum
                                             Adiantum poiretii
                                                   Adiantum poiretii f. hirsutum
                                               Adiantum poiretii var. hirsutum
                                               Adiantum poiretii var. poiretii
                                               Adiantum poiretii var. sulphureum
                                             Adiantum polyphyllum
                                                   [Adiantum polyphyllum var. toquisensis]
                                             Adiantum princeps
                                             Adiantum pseudotinctum
                                             Adiantum pulverulentum
                                             Adiantum pyramidale
                                             Adiantum raddianum
                                             Adiantum radiatum
                                             Adiantum remyanum
                                             Adiantum reptans
                                             Adiantum rubellum
                                             Adiantum rufopunctatum
                                             Adiantum ruizianum
                                             Adiantum scabrum
                                             Adiantum scalare
                                             Adiantum seemannii
                                             Adiantum sericeum
                                             Adiantum serratodentatum
                                                   [Adiantum obtusum]
                                             Adiantum serrulatum
                                             Adiantum sessilifolium
                                             Adiantum silvaticum
                                             Adiantum sinuosum
                                             Adiantum speciosum
                                             Adiantum squamulosum
                                             Adiantum steerei
                                             Adiantum subcordatum
                                             Adiantum subvolubile
                                             Adiantum sulphureum
                                             Adiantum tenerum
                                             Adiantum terminatum
                                             Adiantum tetraphyllum
                                                   [Adiantum ternatum]
                                                   [Adiantum tetraphyllum var. costaricense]
                                             Adiantum thalictroides
                                               Adiantum thalictroides var. hirsutum
                                                     [Adiantum chilense var. hirsutum]
                                             Adiantum tinctum
                                             Adiantum tomentosum
                                             Adiantum trapeziforme
                                                   [Adiantum trapeziforme var. pentadactylon]
                                             Adiantum trichochlaenum
                                             Adiantum tricholepis
                                             Adiantum urophyllum
                                             Adiantum veitchianum
                                             Adiantum villosissimum
                                             Adiantum villosum
                                             Adiantum weatherbyanum
                                             Adiantum wilesianum
                                             Adiantum williamsii
                                             Adiantum wilsonii
                                                   [Adiantum wilsonii var. semicordatum]
                                             Adiantum windischii
                                     Aleuritopteris
                                             Aleuritopteris argentea
                                             Aleuritopteris aurea
                                             Aleuritopteris farinosa
                                                   [Aleuritopteris peruviana]
                                             Aleuritopteris grisea
                                     Allosorus
                                             Allosorus acclivis
                                     Ananthacorus
                                             Ananthacorus angustifolius
                                     Anetium
                                             Anetium citrifolium
                                     Anogramma
                                             Anogramma chaerophylla
                                             Anogramma leptophylla
                                             Anogramma lorentzii
                                     Anopteris
                                     Antrophyum
                                             Antrophyum anetioides
                                             Antrophyum cajenense
                                                   [Hemionitis cajenensis]
                                             Antrophyum discoideum
                                             Antrophyum ensiforme
                                             Antrophyum guayanense
                                             Antrophyum intramarginale
                                             Antrophyum lanceolatum
                                                   [Hemionitis lanceolata]
                                             Antrophyum lineatum
                                     Argyrochosma
                                             Argyrochosma chilensis
                                                   [Cincinalis chilensis]
                                             Argyrochosma formosa
                                             Argyrochosma incana
                                                   [Notholaena incana]
                                             Argyrochosma limitanea
                                               Argyrochosma limitanea ssp. limitanea
                                                     [Notholaena limitanea]
                                                     [Pellaea limitanea]
                                               Argyrochosma limitanea ssp. mexicana
                                             Argyrochosma microphylla
                                                   [Notholaena parvifolia]
                                                   [Pellaea microphylla]
                                             Argyrochosma nivea
                                               Argyrochosma nivea var. flava
                                               Argyrochosma nivea var. nivea
                                               Argyrochosma nivea var. tenera
                                             Argyrochosma stuebeliana
                                     Aspidotis
                                             Aspidotis meifolia
                                     Astrolepis
                                             Astrolepis beitelii
                                             Astrolepis cochisensis
                                             Astrolepis crassifolia
                                             Astrolepis deltoidea
                                             Astrolepis integerrima
                                             Astrolepis laevis
                                             Astrolepis sinuata
                                                   [Cheilanthes sinuata]
                                               Astrolepis sinuata subsp. mexicana
                                               Astrolepis sinuata subsp. sinuata
                                             Astrolepis windhamii
                                     Bommeria
                                             Bommeria hispida
                                             Bommeria pedata
                                     Cassebeera
                                             Cassebeera pinnata
                                     Ceratopteris
                                             Ceratopteris deltoidea
                                             Ceratopteris pteridoides
                                             Ceratopteris richardii
                                             Ceratopteris thalictroides
                                     Cheilanthes
                                             Cheilanthes aemula
                                             Cheilanthes alabamensis
                                             Cheilanthes aliena
                                             Cheilanthes allosuroides
                                             Cheilanthes andina
                                             Cheilanthes angustifolia
                                             Cheilanthes arequipensis
                                             Cheilanthes aurea
                                             Cheilanthes bolborrhiza
                                             Cheilanthes bonariensis
                                                   [Notholaena aurea]
                                             Cheilanthes borsigniana
                                             Cheilanthes brachypus
                                             Cheilanthes bryopoda
                                             Cheilanthes buchtienii
                                             Cheilanthes californica
                                             Cheilanthes chaerophylla
                                             Cheilanthes chipinquensis
                                             Cheilanthes chlorophylla
                                             Cheilanthes clevelandii
                                             Cheilanthes complanata
                                             Cheilanthes concolor
                                             Cheilanthes covillei
                                             Cheilanthes cucullans
                                             Cheilanthes cuneata
                                             Cheilanthes eatonii
                                                   [Cheilanthes castanea]
                                             Cheilanthes elegans
                                             Cheilanthes eriophora
                                             Cheilanthes farinosa
                                             Cheilanthes fasciculata
                                             Cheilanthes feei
                                             Cheilanthes fimbriata
                                             Cheilanthes fractifera
                                             Cheilanthes fraseri
                                             Cheilanthes glandulosa
                                             Cheilanthes glauca
                                             Cheilanthes glutinosa
                                             Cheilanthes harrisii
                                             Cheilanthes hirsuta
                                             Cheilanthes horridula
                                             Cheilanthes hostilis
                                             Cheilanthes hypoleuca
                                             Cheilanthes incarum
                                             Cheilanthes intramarginalis
                                             Cheilanthes jamaicensis
                                             Cheilanthes juergensii
                                                   [Cheilanthes thellungii]
                                             Cheilanthes kaulfussii
                                             Cheilanthes laciniata
                                             Cheilanthes lendigera
                                             Cheilanthes lerstenii
                                             Cheilanthes lindheimeri
                                             Cheilanthes lonchophylla
                                             Cheilanthes longipila
                                             Cheilanthes lozanii
                                               Cheilanthes lozanii var. seemannii
                                             Cheilanthes lozanoi
                                             Cheilanthes macleanii
                                             Cheilanthes marginata
                                             Cheilanthes marsupianthes
                                             Cheilanthes mathewsii
                                             Cheilanthes membranacea
                                             Cheilanthes mexicana
                                             Cheilanthes mickelii
                                             Cheilanthes micromera
                                             Cheilanthes microphylla
                                               Cheilanthes microphylla var. fimbriata
                                               Cheilanthes microphylla var. microphylla
                                             Cheilanthes micropteris
                                             Cheilanthes mollis
                                             Cheilanthes moncloviensis
                                             Cheilanthes monticola
                                             Cheilanthes moritziana
                                             Cheilanthes myriophylla
                                             Cheilanthes newberryi
                                             Cheilanthes notholaenoides
                                             Cheilanthes obducta
                                             Cheilanthes obtusata
                                             Cheilanthes orbignyana
                                             Cheilanthes ornatissima
                                             Cheilanthes palmeri
                                             Cheilanthes parallelogramma
                                             Cheilanthes peruviana
                                             Cheilanthes pilosa
                                             Cheilanthes poeppigiana
                                             Cheilanthes pringlei
                                             Cheilanthes pruinata
                                             Cheilanthes purpusii
                                             Cheilanthes pyramidalis
                                             Cheilanthes radiata
                                             Cheilanthes rufopunctata
                                             Cheilanthes saundersii
                                             Cheilanthes scariosa
                                             Cheilanthes siliquosa
                                             Cheilanthes skinneri
                                             Cheilanthes squamosa
                                             Cheilanthes tomentosa
                                             Cheilanthes tripinnata
                                             Cheilanthes tryonii
                                             Cheilanthes tweediana
                                             Cheilanthes venusta
                                             Cheilanthes wootonii
                                             Cheilanthes wrightii
                              Cheilanthoideae
                                     Cheiloplecton
                                             Cheiloplecton rigidum
                                     Chrysodium
                                     Coniogramme
                                     Cryptogramma
                                             Cryptogramma crispa
                                             Cryptogramma fumariifolia
                                     Doryopteris
                                             Doryopteris collina
                                             Doryopteris concolor
                                               Doryopteris concolor var. concolor
                                             Doryopteris crenulans
                                             Doryopteris lomariacea
                                             Doryopteris lorentzii
                                             Doryopteris nobilis
                                             Doryopteris palmata
                                                   [Doryopteris pedata var. palmata]
                                             Doryopteris pedata
                                               Doryopteris pedata var. multipartita
                                             Doryopteris rediviva
                                             Doryopteris stierii
                                     Eriosorus
                                             Eriosorus X elongatus
                                             Eriosorus accrescens
                                             Eriosorus aureonitens
                                             Eriosorus cheilanthoides
                                             Eriosorus congestus
                                             Eriosorus elongatus
                                             Eriosorus ewanii
                                             Eriosorus flabellatus
                                             Eriosorus flexuosus
                                               Eriosorus flexuosus var. flexuosus
                                             Eriosorus glaberrimus
                                             Eriosorus hirtus
                                               Eriosorus hirtus var. hirtus
                                             Eriosorus hispidulus
                                             Eriosorus lechleri
                                             Eriosorus longipetiolatus
                                             Eriosorus myriophyllus
                                             Eriosorus novogranatensis
                                             Eriosorus orbignyanus
                                             Eriosorus paucifolius
                                             Eriosorus rufescens
                                             Eriosorus ruizianus
                                             Eriosorus scandens
                                             Eriosorus setulosus
                                             Eriosorus stuebelii
                                             Eriosorus villosulus
                                             Eriosorus warscewiczii
                                     Gaga
                                             Gaga marginata
                                     Gymnogramma
                                             Gymnogramma ballivianii
                                             Gymnogramma calomelanos
                                             Gymnogramma elongata
                                             Gymnogramma ferruginea
                                             Gymnogramma flabellata
                                             Gymnogramma flexuosa
                                             Gymnogramma goudotii
                                             Gymnogramma grandis
                                             Gymnogramma lechleri
                                             Gymnogramma mathewsii
                                             Gymnogramma mohriaeformis
                                             Gymnogramma ochracea
                                             Gymnogramma orbignyana
                                             Gymnogramma ornithopteris
                                             Gymnogramma peruviana
                                             Gymnogramma prehensibilis
                                             Gymnogramma pumila
                                             Gymnogramma reniformis
                                             Gymnogramma rufescens
                                             Gymnogramma ruiziana
                                             Gymnogramma stuebelii
                                             Gymnogramma tartarea
                                     Gymnogramme
                                             Gymnogramme angustifrons
                                             Gymnogramme aureonitens
                                     Gymnopteris
                                             Gymnopteris subcordata
                                             Gymnopteris tomentosa
                                     Hecistopteris
                                             Hecistopteris pinnatifida
                                             Hecistopteris pumila
                                     Hemionitis
                                             Hemionitis elegans
                                             Hemionitis levyi
                                             Hemionitis lineata
                                             Hemionitis palmata
                                             Hemionitis pinnata
                                             Hemionitis pinnatifida
                                             Hemionitis rufa
                                                   [Gymnopteris rufa]
                                             Hemionitis subcordata
                                             Hemionitis tomentosa
                                     Jamesonia
                                             Jamesonia alstonii
                                             Jamesonia ascendens
                                                   [Eriosorus ascendens]
                                             Jamesonia auriculata
                                             Jamesonia biardii
                                                   [Anogramma biardii]
                                             Jamesonia blepharum
                                             Jamesonia bogotensis
                                             Jamesonia boliviensis
                                             Jamesonia canescens
                                             Jamesonia ceracea
                                             Jamesonia cinnamomea
                                             Jamesonia cuatrecasasii
                                             Jamesonia flabellata
                                             Jamesonia flexuosa
                                             Jamesonia glaberrima
                                             Jamesonia glutinosa
                                             Jamesonia goudotii
                                             Jamesonia hirsutula
                                                   [Eriosorus hirsutulus]
                                                   [Gymnogramma karstenii]
                                             Jamesonia hirta
                                                   [Eriosorus hirtus var. glandulosus]
                                             Jamesonia hispidula
                                             Jamesonia imbricata
                                                   [Jamesonia imbricata var. meridensis]
                                               Jamesonia imbricata var. glutinosa
                                               Jamesonia imbricata var. imbricata
                                             Jamesonia lindigii
                                                   [Eriosorus lindigii]
                                             Jamesonia longipetiolata
                                             Jamesonia maxonii
                                                   [Nephopteris maxonii]
                                             Jamesonia osteniana
                                                   [Anogramma osteniana]
                                             Jamesonia peruviana
                                             Jamesonia pulchra
                                             Jamesonia robusta
                                             Jamesonia rotundifolia
                                             Jamesonia scalaris
                                             Jamesonia scammanae
                                             Jamesonia scammaniae
                                             Jamesonia setulosa
                                             Jamesonia vellea
                                                   [Eriosorus velleus]
                                             Jamesonia verticalis
                                     Litobrochia
                                             Litobrochia alata
                                             Litobrochia horizontalis
                                     Llavea
                                             Llavea cordifolia
                                     Mildella
                                             Mildella intramarginalis
                                               Mildella intramarginalis var. intramarginalis
                                                     [Pteris intramarginalis]
                                               Mildella intramarginalis var. serratifolia
                                     Monogramma
                                     Myriopteris
                                             Myriopteris aurea
                                             Myriopteris lendigera
                                             Myriopteris microphylla
                                                   [Cheilanthes heterotricha]
                                             Myriopteris myriophylla
                                             Myriopteris regularis
                                                   [Adiantopsis regularis]
                                             Myriopteris tomentosa
                                                   [Cheilanthes bradburii]
                                             Myriopteris windhamii
                                                   [Cheilanthes villosa]
                                     Nephopteris
                                     Neurocallis
                                             Neurocallis praestantissima
                                               Neurocallis praestantissima var. subcaudata
                                     Neurogramme
                                             Neurogramme calomelanos
                                     Notholaena
                                             Notholaena affinis
                                             Notholaena arequipensis
                                             Notholaena aschenborniana
                                                   [Cheilanthes aschenborniana]
                                             Notholaena bonariensis
                                             Notholaena brachypus
                                             Notholaena brackenridgei
                                             Notholaena californica
                                             Notholaena candida
                                               Notholaena candida var. candida
                                             Notholaena cantangensis
                                             Notholaena chrysophylla
                                             Notholaena delicatula
                                             Notholaena eriophora
                                             Notholaena ferruginea
                                             Notholaena fraseri
                                                   [Cheilanthes boliviana]
                                             Notholaena galapagensis
                                             Notholaena galeottii
                                             Notholaena grayi
                                             Notholaena greggii
                                             Notholaena hieronymi
                                                   [Cheilanthes hieronymi]
                                             Notholaena hypoleuca
                                             Notholaena lemmonii
                                             Notholaena lilloi
                                             Notholaena lonchophylla
                                             Notholaena meridionalis
                                             Notholaena mollis
                                             Notholaena nealleyi
                                               Notholaena nealleyi var. mexicana
                                             Notholaena neglecta
                                             Notholaena nivea
                                               Notholaena nivea var. flava
                                             Notholaena obducta
                                             Notholaena pallens
                                             Notholaena peruviana
                                             Notholaena pringlei
                                             Notholaena revoluta
                                             Notholaena rigida
                                             Notholaena rosei
                                             Notholaena schaffneri
                                                   [Aleuritopteris schaffneri]
                                               Notholaena schaffneri var. mexicana
                                             Notholaena sinuata
                                             Notholaena squamosa
                                             Notholaena standleyi
                                             Notholaena stuebeliana
                                             Notholaena sulphurea
                                               Notholaena sulphurea var. flava
                                             Notholaena tectaria
                                             Notholaena tenera
                                             Notholaena tomentosa
                                             Notholaena trichomanoides
                                             Notholaena weatherbiana
                                     Onychium
                                           [Siphanthera]
                                     Ormopteris
                                             Ormopteris gleichenioides
                                                   [Cassebeera gleichenioides]
                                             Ormopteris pinnata
                                     Pellaea
                                             Pellaea andromedifolia
                                                   [Pteris andromedifolia]
                                             Pellaea atropurpurea
                                             Pellaea breweri
                                             Pellaea calomelanos
                                                   [Pteris calomelanos]
                                             Pellaea cordifolia
                                                   [Pellaea cordata]
                                             Pellaea crenulans
                                             Pellaea flavens
                                             Pellaea glabella
                                             Pellaea glauca
                                                   [Cheilanthes chilensis]
                                             Pellaea intermedia
                                             Pellaea intramarginalis
                                             Pellaea lilloi
                                             Pellaea lorentzii
                                             Pellaea mucronata
                                             Pellaea myrtillifolia
                                             Pellaea nivea
                                             Pellaea ovata
                                             Pellaea peruviana
                                             Pellaea pinnata
                                             Pellaea pringlei
                                             Pellaea regnelliana
                                                   [Cheilanthes regnelliana]
                                             Pellaea sagittata
                                               Pellaea sagittata var. sagittata
                                             Pellaea skinneri
                                             Pellaea tenera
                                             Pellaea ternifolia
                                               Pellaea ternifolia subsp. ternifolia
                                               Pellaea ternifolia var. peruviana
                                               Pellaea ternifolia var. ternifolia
                                             Pellaea truncata
                                             Pellaea villosa
                                             Pellaea wrightiana
                                     Pentagramma
                                             Pentagramma triangularis
                                                   [Pityrogramma triangularis]
                                     Pityrogramma
                                             Pityrogramma austroamericana
                                             Pityrogramma ballivianii
                                             Pityrogramma calomelanos
                                               Pityrogramma calomelanos var. aureoflava
                                               Pityrogramma calomelanos var. austroamericana
                                               Pityrogramma calomelanos var. calomelanos
                                               Pityrogramma calomelanos var. denudata
                                               Pityrogramma calomelanos var. ochracea
                                               Pityrogramma calomelanos var. peruviana
                                             Pityrogramma chamaesorbus
                                             Pityrogramma chrysoconia
                                             Pityrogramma dealbata
                                             Pityrogramma dukei
                                             Pityrogramma ebenea
                                                   [Pityrogramma tartarea var. tartarea]
                                                   [Pityrogramma tartarea]
                                             Pityrogramma ferruginea
                                             Pityrogramma lehmannii
                                             Pityrogramma ochracea
                                                   [Pityrogramma adiantoides]
                                             Pityrogramma opalescens
                                             Pityrogramma ornithopteris
                                             Pityrogramma pearcei
                                             Pityrogramma perelegans
                                             Pityrogramma peruviana
                                             Pityrogramma presliana
                                             Pityrogramma pulchella
                                               Pityrogramma tartarea var. aurata
                                             Pityrogramma trifoliata
                                     Polytaenium
                                             Polytaenium cajenense
                                             Polytaenium chlorosporum
                                                   [Antrophyum chlorosporum]
                                             Polytaenium discoideum
                                             Polytaenium dussianum
                                                   [Antrophyum dussianum]
                                             Polytaenium elongatum
                                             Polytaenium feei
                                             Polytaenium guayanense
                                             Polytaenium intramarginale
                                                   [Vittaria intramarginalis]
                                             Polytaenium jenmanii
                                                   [Antrophyum jenmanii]
                                             Polytaenium lanceolatum
                                             Polytaenium lineatum
                                             Polytaenium ophioglossoides
                                                   [Antrophyum ophioglossoides]
                                     Pomatophytum
                                     Psilogramme
                                             Psilogramme elongata
                                             Psilogramme flabellata
                                             Psilogramme flexuosa
                                             Psilogramme lechleri
                                             Psilogramme mathewsii
                                             Psilogramme rufescens
                                     Pteridanetium
                                             Pteridanetium citrifolium
                                     Pteris
                                             Pteris aculeata
                                             Pteris albertiae
                                             Pteris altissima
                                             Pteris amazonica
                                             Pteris ampla
                                             Pteris andreana
                                             Pteris angustifolia
                                             Pteris arachnoidea
                                             Pteris aurea
                                             Pteris bakeri
                                             Pteris berteroana
                                             Pteris biaurita
                                             Pteris boliviensis
                                             Pteris brausei
                                             Pteris chiapensis
                                             Pteris chilensis
                                             Pteris concolor
                                             Pteris consanguinea
                                             Pteris coriacea
                                             Pteris cretica
                                             Pteris dactylina
                                             Pteris decurrens
                                             Pteris deflexa
                                             Pteris denticulata
                                             Pteris edentula
                                             Pteris elata
                                             Pteris ensiformis
                                             Pteris farinosa
                                             Pteris fraseri
                                             Pteris gigantea
                                             Pteris grandifolia
                                             Pteris guangdongensis
                                             Pteris haenkeana
                                             Pteris herrerae
                                             Pteris hexagona
                                                   [Cryptogramma stricta]
                                             Pteris hirsuta
                                             Pteris horizontalis
                                             Pteris incisa
                                             Pteris jamesonii
                                             Pteris killipii
                                             Pteris kunzeana
                                             Pteris laciniata
                                             Pteris lechleri
                                                   [Pteris obscura]
                                             Pteris lineata
                                             Pteris livida
                                             Pteris lonchitoides
                                             Pteris longifolia
                                             Pteris longipetiolulata
                                             Pteris lucida
                                             Pteris lydgatei
                                             Pteris multifida
                                             Pteris muricata
                                             Pteris muricatopedata
                                             Pteris muricella
                                             Pteris navarrensis
                                             Pteris nivea
                                             Pteris notholaenoides
                                             Pteris nuda
                                             Pteris orizabae
                                             Pteris ovata
                                             Pteris palmata
                                             Pteris paucinervata
                                             Pteris pearcei
                                             Pteris pedata
                                             Pteris peruviana
                                             Pteris petiolulata
                                             Pteris plumula
                                                   [Pteris quadriaurita]
                                             Pteris podophylla
                                             Pteris polita
                                             Pteris praestantissima
                                             Pteris propinqua
                                             Pteris pulchra
                                             Pteris pungens
                                             Pteris reticulata
                                             Pteris reticulatovenosa
                                             Pteris sagittata
                                             Pteris scalaris
                                             Pteris semiadnata
                                             Pteris speciosa
                                             Pteris splendens
                                             Pteris stubelii
                                             Pteris sulphurea
                                             Pteris ternifolia
                                             Pteris transparens
                                             Pteris trialata
                                             Pteris tripartita
                                             Pteris vestita
                                             Pteris vittata
                                             Pteris websteri
                                     Pteropsis
                                             Pteropsis vittarioides
                                     Pterozonium
                                             Pterozonium brevifrons
                                             Pterozonium reniforme
                                     Radiovittaria
                                             Radiovittaria gardneriana
                                                   [Vittaria gardneriana]
                                             Radiovittaria latifolia
                                             Radiovittaria moritziana
                                                   [Vittaria moritziana]
                                             Radiovittaria remota
                                             Radiovittaria ruiziana
                                             Radiovittaria stipata
                                             Radiovittaria stipitata
                                     Ragatelus
                                             Ragatelus crinitus
                                     Saffordia
                                             Saffordia induta
                                     Schizostege
                                     Scoliosorus
                                             Scoliosorus ensiforme
                                     Syngramma
                                     Taenitis
                                     Trachypteris
                                             Trachypteris induta
                                             Trachypteris pinnata
                                     Trismeria
                                             Trismeria trifoliata
                                     Vittaria
                                             Vittaria bradeorum
                                             Vittaria costaricensis
                                             Vittaria costata
                                             Vittaria dimorpha
                                             Vittaria filiformis
                                             Vittaria flavicosta
                                             Vittaria graminifolia
                                                   [Vittaria filifolia]
                                             Vittaria lanceolata
                                             Vittaria latifolia
                                             Vittaria lineata
                                             Vittaria longipes
                                             Vittaria minima
                                             Vittaria orbignyana
                                             Vittaria remota
                                             Vittaria ruiziana
                                             Vittaria stipitata
                                             Vittaria vittarioides
                              Vittarioideae