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Publication: The Pteridophyte Phylogeny Group 2016 A community-derived classification for extant lycophytes and ferns Journal of Systematics and Evolution, vol. 54, no. 6 563-603

ITIS records citing this publication
 
 Kingdom Plantae
  Abrodictyum C. Presl -- accepted
  Abrodictyum cumingii C. Presl -- accepted
  Acrosorus Copel. -- accepted
  Acrosorus exaltatus (Copel.) Copel. -- accepted
  Acrostichum L. -- accepted -- leatherfern
  Acrostichum aureum L. -- accepted -- golden leatherfern
  Acrostichum nicotianifolium Sw. -- not accepted
  Acrostichum polypodioides L. -- not accepted
  Actiniopteris Link -- accepted
  Actiniopteris radiata (Sw.) Link -- accepted
  Actinostachys Wall. -- accepted -- ray spiked fern
  Actinostachys digitata (L.) Wall. -- accepted
  Acystopteris Nakai -- accepted
  Acystopteris japonica (Luerss.) Nakai -- accepted
  Adenophorus Gaudich. -- accepted -- kihifern
  Adenophorus tripinnatifidus Gaudich. -- accepted -- royal kihifern
  Adiantopsis Fée -- accepted
  Adiantopsis radiata (L.) Fée -- accepted
  Adiantum L. -- accepted -- maidenhair fern
  Adiantum capillus-veneris L. -- accepted -- common maidenhair fern, venus hairfern, common maidenhair
  Aenigmopteris Holttum -- not accepted
  Aglaomorpha Schott -- not accepted
  Aglaomorpha meyeniana Schott -- not accepted
  Alansmia M. Kessler -- accepted
  Alansmia lanigera (Desv.) Moguel & M. Kessler -- accepted
  Aleuritopteris Fée -- accepted
  Aleuritopteris farinosa (Forssk.) Fée -- accepted
  Allantodia R. Br. -- not accepted
  Allosorus Bernh. -- accepted
  Allosorus pusillus (Willd. ex Bernh.) Bernh. -- accepted
  Alsophila R. Br. -- accepted
  Alsophila australis R. Br. -- accepted -- rough tree fern
  Amauropelta Kunze -- accepted
  Amauropelta breutelii Kunze -- accepted
  Amblovenatum J.P. Roux -- accepted
  Amblovenatum opulentum (Kaulf.) J.P. Roux -- accepted
  Ampelopteris Kunze -- accepted
  Ampelopteris elegans Kunze -- accepted
  Ananthacorus Underw. & Maxon ex Maxon -- accepted
  Ananthacorus angustifolius (Sw.) Underw. & Maxon -- accepted
  Anchistea C. Presl -- accepted
  Anchistea virginica (L.) C. Presl -- accepted
  Anemia Sw. -- accepted
  Anemia phyllitidis (L.) Sw. -- accepted
  Anemiaceae -- accepted -- flowering ferns
  Anetium Splitg. -- not accepted -- treetrunk fern
  Angiopteris Hoffm. -- accepted
  Anogramma Link -- accepted
  Anogramma leptophylla (L.) Link -- accepted
  Anopteris Prantl ex Diels -- not accepted
  Antrophyopsis (Benedict) Schuettp. -- accepted
  Antrophyopsis boryana (Willd.) Schuettp. -- accepted
  Antrophyum Kaulf. -- accepted -- lineleaf fern
  Antrophyum plantagineum (Cav.) Kaulf. -- accepted
  Arachniodes Blume -- accepted -- hollyfern, East Indian holly fern
  Arachniodes aspidioides Blume -- accepted
  Archigrammitis Parris -- accepted
  Archigrammitis friderici-et-pauli (Christ) Parris -- accepted
  Argyrochosma (J. Sm.) Windham -- accepted -- false cloakfern, falsecloak fern, false cloak fern
  Argyrochosma nivea (Poir.) Windham -- accepted
  Arthrobotrya J. Sm. -- accepted
  Arthrobotrya articulata (Fée) J. Sm. -- accepted
  Arthromeris (T. Moore) J. Sm. -- accepted
  Arthromeris wallichianum (Spreng.) Ching -- accepted
  Arthropteris J. Sm. ex Hook. f. -- accepted
  Arthropteris tenellum (G. Forst.) J. Sm. ex Hook. f. -- accepted
  Ascogrammitis Sundue -- accepted
  Ascogrammitis athyrioides (Hook.) Sundue -- accepted
  Aspidium pectinatum Willd. -- not accepted
  Aspidotis (Nutt. ex Hook.) Copel. -- accepted -- lacefern
  Aspidotis californica (Hook.) Nutt. ex Copel. -- accepted -- California lacefern
  Aspleniaceae -- accepted -- spleenworts
  Aspleniineae -- accepted
  Asplenium L. -- accepted -- spleenworts
  Asplenium lechleri Mett. -- not accepted
  Asplenium marinum L. -- accepted
  Asplenium radiatum Sw. -- not accepted
  Asplenium unilaterale Lam. -- not accepted -- pamohe
  Astrolepis D.M. Benham & Windham -- accepted -- cloakfern
  Astrolepis sinuata (Lag. ex Sw.) D.M. Benham & Windham -- accepted -- wavy scaly cloakfern
  Athyriaceae -- accepted
  Athyrium Roth -- accepted -- ladyfern, lady fern
  Athyrium filix-femina (L.) Roth -- accepted -- common ladyfern, ladyfern, subarctic ladyfern
  Austroblechnum Gasper & V.A.O. Dittrich -- accepted
  Austroblechnum penna-marina (Poir.) Gasper & V.A.O. Dittrich -- accepted
  Austrogramme E. Fourn. -- accepted
  Austrogramme marginata (Mett.) E. Fourn. -- accepted
  Austrolycopodium Holub -- accepted
  Austrolycopodium magellanicum (P. Beauv.) Holub -- accepted
  Azolla Lam. -- accepted -- mosquito ferns, water ferns, mosquitoferns
  Azolla filiculoides Lam. -- accepted -- fern azolla, Pacific azolla, Pacific mosquitofern
  Blechnaceae -- accepted -- Chain Ferns, Deer Ferns, Blechnoids
  Blechnidium T. Moore -- accepted
  Blechnidium melanopus (Hook.) T. Moore -- accepted
  Blechnoideae -- accepted
  Blechnopsis C. Presl -- accepted
  Blechnopsis orientalis (L.) C. Presl -- accepted
  Blechnum L. -- accepted -- midsorus fern
  Blechnum occidentale L. -- accepted -- hammock fern
  Blechnum radicans L. -- not accepted
  Blotiella R.M. Tryon -- accepted
  Blotiella glabra (Bory) R.M. Tryon -- accepted
  Bolbitis Schott -- accepted -- creepingfern
  Bolbitis serratifolia (Mert. ex Kaulf.) Schott -- accepted
  Bommeria E. Fourn. -- accepted
  Bommeria ehrenbergiana (Klotzsch) Underw. -- accepted
  Botrychioideae C. Presl -- accepted
  Botrychium Sw. -- accepted -- grape-fern, moonwort, grapefern
  Botrypus Michx. -- accepted
  Botrypus virginianus (L.) Michx. -- accepted -- botryche de Virginie, rattlesnake fern, common grapefern
  Brainea J. Sm. -- accepted
  Brainea insignis (Hook.) J. Sm. -- accepted
  Calciphilopteris Yesilyurt & H. Schneid. -- accepted
  Calciphilopteris ludens (Wall. ex Hook.) Yesilyurt & H. Schneid. -- accepted
  Callistopteris Copel. -- accepted
  Callistopteris apiifolia (C. Presl) Copel. -- accepted
  Calochlaena (Maxon) M.D. Turner & R.A. White -- accepted
  Calochlaena dubia (R. Br.) M.D. Turner & R.A. White -- accepted
  Calymmodon C. Presl -- accepted
  Calymmodon cucullatus (Nees & Blume) C. Presl -- accepted
  Campyloneurum C. Presl -- accepted -- strapfern
  Campyloneurum repens (Aubl.) C. Presl -- accepted -- creeping strapfern
  Cephalomanes C. Presl -- accepted
  Cephalomanes atrovirens C. Presl -- accepted
  Ceradenia L.E. Bishop -- accepted
  Ceradenia curvata (Sw.) L.E. Bishop -- accepted
  Ceratopteris Brongn. -- accepted -- antlerfern
  Ceratopteris thalictroides (L.) Brongn. -- accepted -- watersprite
  Cerosora Domin -- accepted
  Cerosora chrysosora (Baker) Domin -- accepted
  Ceterach Willd. -- not accepted
  Cheilanthes Sw. -- accepted -- lip ferns, lipfern
  Cheilanthes micropteris Sw. -- accepted
  Cheilanthoideae Horvat -- accepted
  Cheiloplecton Fée -- accepted
  Cheiloplecton rigidum (Sw.) Fée -- accepted
  Cheiroglossa C. Presl -- accepted -- hand fern, dwarf staghorn
  Cheiropleuria C. Presl -- accepted
  Cheiropleuria bicuspis (Blume) C. Presl -- accepted
  Chieniopteris Ching -- not accepted
  Chingia Holttum -- accepted
  Chingia ferox (Blume) Holttum -- accepted
  Christella H. Lév. -- accepted
  Christella parasitica (L.) H. Lév. -- accepted
  Christensenia Maxon -- accepted
  Chrysogrammitis Parris -- accepted
  Chrysogrammitis glandulosa (J. Sm.) Parris -- accepted
  Cibotiaceae -- accepted
  Cibotium Kaulf. -- accepted -- manfern
  Cibotium chamissoi Kaulf. -- accepted -- Chamisso's manfern
  Claytosmunda (Y. Yatabe, N. Murak. & K. Iwats.) Metzgar & Rouhan -- accepted
  Claytosmunda claytoniana (L.) Metzgar & Rouhan -- accepted -- interrupted fern
  Cleistoblechnum Gasper & Salino -- accepted
  Cleistoblechnum eburneum (Christ) Gasper & Salino -- accepted
  Cnemidaria C. Presl -- not accepted
  Cochlidium Kaulf. -- accepted -- snailfern
  Cochlidium graminoides (Sw.) Kaulf. -- accepted
  Colina Greene -- not accepted
  Coniogramme Fée -- accepted
  Coniogramme javanica (Blume) Fée -- accepted
  Coryphopteris Holttum -- accepted
  Coryphopteris viscosa (Baker) Holttum -- accepted
  Cosentinia Tod. -- accepted
  Cosentinia vellea (Aiton) Tod. -- accepted
  Cranfillia Gasper & V.A.O. Dittrich -- accepted
  Cranfillia fluviatilis (R. Br.) Gasper & V.A.O. Dittrich -- accepted
  Crepidomanes (C. Presl) C. Presl -- accepted
  Crepidomanes intramarginale (Hook. & Grev.) C. Presl -- accepted
  Cryptogramma R. Br. -- accepted -- mountain parsley, rock-brake, rockbrake
  Cryptogramma acrostichoides R. Br. -- accepted -- American rockbrake
  Cryptogrammoideae S. Lindsay -- accepted
  Ctenitis (C. Chr.) C. Chr. -- accepted -- lacefern, comb fern
  Ctenitis distans (Brack) Ching -- accepted
  Ctenopterella Parris -- accepted
  Ctenopterella blechnoides (Grev.) Parris -- accepted
  Culcita C. Presl -- accepted
  Culcita macrocarpa C. Presl -- accepted
  Culcitaceae -- accepted
  Cyathea Sm. -- accepted -- treefern
  Cyathea arborea (L.) Sm. -- accepted -- West Indian treefern
  Cyatheaceae -- accepted
  Cyatheales -- accepted -- tree ferns
  Cyclodium C. Presl -- accepted
  Cyclodium meniscioides (Willd.) C. Presl -- accepted
  Cyclogramma Tagawa -- accepted
  Cyclogramma simulans (Ching) Tagawa -- accepted
  Cyclopeltis J. Sm. -- accepted
  Cyclopeltis semicordata (Sw.) J. Sm. -- accepted -- lime fern
  Cyclosorus Link -- accepted
  Cyclosorus gongylodes (Schkuhr) Link -- not accepted
  Cyrtomium C. Presl -- accepted -- netvein hollyfern, Asiatic holly fern
  Cyrtomium falcatum (L. f.) C. Presl -- accepted -- Japanese netvein hollyfern
  Cystodiaceae -- accepted
  Cystodium J. Sm. -- accepted
  Cystodium sorbifolium (Sm.) J. Sm. -- accepted
  Cystopteridaceae -- accepted
  Cystopteris Bernh. -- accepted -- bladder fern, bladderfern, brittle fern
  Cystopteris fragilis (L.) Bernh. -- accepted -- fragile fern, brittle bladder fern, brittle bladderfern
  Danaea Sm. -- accepted -- danafern
  Dasygrammitis Parris -- accepted
  Dasygrammitis mollicoma (Nees & Blume) Parris -- accepted
  Davallia Sm. -- accepted
  Davallia canariensis (L.) Sm. -- accepted
  Davalliaceae -- accepted
  Dendrolycopodium A. Haines -- accepted
  Dendrolycopodium obscurum (L.) A. Haines -- accepted
  Dennstaedtia Bernh. -- accepted -- hayscented fern
  Dennstaedtia flaccida (G. Forst.) Bernh. -- accepted
  Dennstaedtiaceae -- accepted
  Dennstaedtiineae -- accepted
  Deparia Hook. & Grev. -- accepted -- false spleenwort
  Deparia macraei Hook. & Grev. -- accepted
  Desmophlebiaceae -- accepted
  Desmophlebium Mynssen -- accepted
  Desmophlebium lechleri (Mett.) Mynssen -- accepted
  Dicksonia L'Hér. -- accepted -- tree fern
  Dicksonia arborescens L'Hér. -- accepted
  Dicksonia polypodioides Sw. -- not accepted
  Dicksoniaceae -- accepted
  Dicranopteris Bernh. -- accepted -- forkedfern, forking ferns
  Dicranopteris dichotoma (Thunb.) Bernh. -- accepted
  Dictymia J. Sm. -- accepted
  Dictymia attenuata J. Sm. -- accepted
  Didymochlaena Desv. -- accepted
  Didymochlaena sinuosa Desv. -- accepted
  Didymochlaenaceae -- accepted
  Didymoglossum Desv. -- accepted
  Didymoglossum hymenoides (Hedw.) Copel. -- accepted -- parchment bristle fern
  Diellia Brack. -- not accepted -- island spleenwort
  Diphasiastrum Holub -- accepted -- clubmoss
  Diphasiastrum complanatum (L.) Holub -- accepted -- groundcedar
  Diphasium C. Presl ex Rothm. -- accepted
  Diphasium jussiaei (Desv.) Rothm. -- accepted
  Diplaziopsidaceae -- accepted
  Diplaziopsis C. Chr. -- accepted
  Diplaziopsis brunoniana (Wall.) W.M. Chu -- accepted
  Diplazium Sw. -- accepted -- twinsorus fern, twin-sorus fern
  Diplazium plantaginifolium (L.) Urb. -- accepted -- plantainleaf twinsorus fern
  Diploblechnum Hayata -- accepted
  Diploblechnum integripinnulum Hayata -- not accepted
  Diplopterygium (Diels) Nakai -- accepted
  Diplopterygium glaucum (Thunb. ex Houtt.) Nakai -- accepted
  Dipteridaceae -- accepted
  Dipteris Reinw. -- accepted
  Dipteris conjugata Reinw. -- accepted
  Doodia R. Br. -- accepted -- hacksaw fern
  Doodia aspera R. Br. -- accepted
  Doryopteris J. Sm. -- accepted
  Doryopteris palmata (Willd.) J. Sm. -- accepted
  Dracoglossum Christenh. -- accepted
  Dracoglossum plantagineum (Jacq.) Christenh. -- accepted
  Draconopteris Li Bing Zhang & Liang Zhang -- accepted
  Draconopteris draconoptera (D.C. Eaton) Li Bing Zhang & Liang Zhang -- accepted
  Drynarioideae Crabbe -- accepted
  Dryopolystichum Copel. -- accepted
  Dryopolystichum phaeostigma (Ces.) Copel. -- accepted
  Dryopteridaceae -- accepted -- wood ferns, woodferns
  Dryopteridoideae -- accepted
  Dryopteris Adans. -- accepted -- shieldfern, woodfern, wood fern, shield fern
  Dryopteris filix-mas (L.) Schott -- accepted -- male fern, dryoptère fougère-mâle, male woodfern, malefern
  Elaphoglossoideae (Pic. Serm.) Crabbe, Jermy & Mickel -- accepted
  Elaphoglossum Schott ex J. Sm. -- accepted -- tonguefern
  Elaphoglossum conforme (Sw.) J. Sm. -- accepted
  Enterosora Baker -- accepted -- threefork polypody
  Enterosora campbellii Baker -- accepted
  Equisetaceae -- accepted -- horsetails
  Equisetales -- accepted
  Equisetidae -- accepted
  Equisetum L. -- accepted -- scouring rush, prêle, scouringrush, horsetail
  Eriosorus Fée -- not accepted
  Eriosorus hispidulus (Kunze) Vareschi -- accepted -- chestnuthair fern
  Eupodium J. Sm. -- accepted
  Fadyenia Hook. -- not accepted -- dotted fern
  Gaga Pryer, Fay W. Li, & Windham -- accepted
  Gaga marginata (Kunth) Fay W. Li & Windham -- accepted
  Galactodenia Sundue & Labiak -- accepted
  Galactodenia delicatula (M. Martens & Galeotti) Sundue & Labiak -- accepted
  Glaphyropteridopsis Ching -- accepted
  Glaphyropteridopsis erubescens Wall. ex Hook. -- accepted
  Gleichenella Ching -- accepted
  Gleichenella pectinata (Willd.) Ching -- accepted
  Gleichenia Sm. -- accepted
  Gleichenia polypodioides (L.) Sm. -- accepted
  Gleicheniaceae -- accepted -- forking ferns
  Gleicheniales -- accepted
  Goniophlebium (Blume) C. Presl -- accepted
  Goniophlebium subauriculatum (Blume) C. Presl -- accepted
  Goniopteris C. Presl -- accepted
  Goniopteris crenata (Sw.) C. Presl -- accepted
  Grammitidoideae Parris & Sundue -- accepted
  Grammitis Sw. -- accepted -- dwarf polypody
  Grammitis linearis Sw. -- not accepted
  Grammitis marginella (Sw.) Sw. -- accepted
  Gymnocarpium Newman -- accepted -- oakfern, oak fern
  Gymnocarpium dryopteris (L.) Newman -- accepted -- western oakfern
  Gymnogramma myriophylla Sw. -- not accepted
  Gymnogrammitis Griff. -- accepted
  Gymnogrammitis dareiformis (Hook.) Ching ex Tardieu & C. Chr. -- accepted
  Gymnosphaera Blume -- not accepted
  Haplopteris C. Presl -- accepted
  Haplopteris scolopendrina (Bory) C. Presl -- accepted
  Hecistopteris J. Sm. -- accepted
  Hecistopteris pumila (Spreng.) J. Sm. -- accepted -- moss fern
  Helminthostachyoideae C. Presl -- accepted
  Helminthostachys Kaulf. -- accepted
  Helminthostachys zeylanica (L.) Hook. -- accepted -- kamraj
  Hemidictyaceae -- accepted
  Hemidictyum C. Presl -- accepted
  Hemionitis L. -- accepted
  Hemionitis palmata L. -- accepted -- starfern
  Hemitelia R. Br. -- not accepted
  Heterodanaea C. Presl -- not accepted
  Heterogonium C. Presl -- not accepted
  Heterogonium pinnatum (Copel.) Holttum -- accepted
  Histiopteris (J. Agardh) J. Sm. -- accepted
  Histiopteris vespertilionis (Labill.) J. Sm. -- accepted
  Homalosorus Small ex Pic. Serm. -- accepted
  Homalosorus pynocarpos (Spreng.) Pic. Serm. -- accepted
  Huperzia Bernh. -- accepted -- clubmoss
  Huperzioideae W.H. Wagner & Beitel ex B. Øllg. -- accepted
  Hymenasplenium Hayata -- accepted
  Hymenasplenium unilaterale (Lam.) Hayata -- accepted
  Hymenodium Fée -- not accepted
  Hymenophyllaceae -- accepted -- filmy ferns, filmy fern family
  Hymenophyllales -- accepted -- filmy ferns
  Hymenophylloideae Burnett -- accepted
  Hymenophyllum Sm. -- accepted -- filmy fern
  Hymenophyllum tunbrigense (L.) Sm. -- accepted -- Tunbridge fern, Tunbridge filmy fern
  Hypodematiaceae -- accepted
  Hypodematium Kunze -- accepted
  Hypodematium onustum Kunze -- accepted
  Hypoderris R. Br. ex Hook. -- accepted
  Hypoderris brownii J. Sm. -- accepted -- hairvein fern
  Hypolepis Bernh. -- accepted -- beadfern, bramble ferns
  Hypolepis tenuifolia (G. Forst.) Bernh. ex C. Presl -- accepted
  Icarus Gasper & Salino -- accepted
  Icarus filiformis (A. Cunn.) Gasper & Salino -- accepted
  Isoetaceae -- accepted -- quillworts
  Isoetales -- accepted -- quillworts
  Isoetes L. -- accepted -- isoète, quillwort
  Jamesonia Hook. & Grev. -- accepted
  Jamesonia pulchra Hook. & Grev. -- accepted
  Japanobotrychium Masam. -- accepted
  Japanobotrychium arisanense Masam. -- accepted
  Lastreopsis Ching -- accepted -- shieldfern
  Lastreopsis recedens (J. Sm. ex T. Moore) Ching -- accepted
  Lateristachys Holub -- accepted
  Lateristachys lateralis (R. Br.) Holub -- accepted
  Lecanopteris Reinw. ex Blume -- accepted
  Lecanopteris carnosa (Reinw.) Blume -- accepted
  Lellingeria A.R. Sm. & R.C. Moran -- accepted
  Lellingeria apiculata (Kunze ex Klotzsch) A.R. Sm. & R.C. Moran -- accepted
  Lemmaphyllum C. Presl -- accepted
  Lemmaphyllum spathulatum C. Presl -- accepted
  Lepidomicrosorium Ching & K.H. Shing -- accepted
  Lepidomicrosorium subhastatum (Baker) Ching -- accepted
  Lepisorus (J. Sm.) Ching -- accepted
  Lepisorus nudus (Hook.) Ching -- accepted
  Leptochilus Kaulf. -- accepted
  Leptochilus axillaris (Cav.) Kaulf. -- accepted
  Leptolepia Mett. ex Prantl -- accepted
  Leptolepia novaezelandiae (Colenso) Mett. ex Diels -- accepted
  Leptopteris C. Presl -- accepted
  Leptopteris hymenophylloides (A. Rich.) C. Presl -- accepted
  Leucostegia C. Presl -- accepted
  Leucostegia immersa C. Presl -- accepted
  Leucotrichum Labiak -- accepted
  Leucotrichum organense (Gardner) Labiak -- accepted
  Lindsaea Dryand. ex Sm. -- accepted -- necklace fern
  Lindsaea guianensis (Aubl.) Dryand. -- accepted
  Lindsaeaceae -- accepted
  Lindsaeineae -- accepted
  Llavea Lag. -- accepted
  Llavea cordifolia Lag. -- accepted
  Lomagramma J. Sm. -- accepted
  Lomagramma pteroides J. Sm. -- accepted
  Lomaphlebia J. Sm. -- accepted
  Lomaphlebia linearis (Sw.) J. Sm. -- accepted
  Lomaria Willd. -- accepted
  Lomaria nuda (Labill.) Willd. -- accepted
  Lomaridium C. Presl -- accepted
  Lomaridium plumieri (Desv.) C. Presl -- accepted
  Lomariocycas (J. Sm.) Gasper & A.R. Sm. -- accepted
  Lomariocycas boryana (Sw.) Willd. -- not accepted
  Lomariopsidaceae -- accepted -- fringedferns
  Lomariopsis Fée -- accepted -- fringedfern, climbing holly fern
  Lomariopsis sorbifolia (L.) Fée -- accepted -- acacia fringedfern
  Lonchitidaceae -- accepted
  Lonchitis L. -- accepted
  Lonchitis hirsuta L. -- accepted -- tomato fern
  Lophosoria C. Presl -- accepted
  Lophosoria pruinata (Sw.) C. Presl -- accepted
  Lorinseria C. Presl -- accepted
  Lorinseria areolata (L.) C. Presl -- accepted
  Loxogramme (Blume) C. Presl -- accepted
  Loxogramme lanceolata (Sw.) C. Presl -- accepted
  Loxogrammoideae H. Schneid. -- accepted
  Loxsoma R. Br. ex Hook. -- accepted
  Loxsoma cunninghamii R. Br. ex Hook. -- accepted
  Loxsomataceae -- accepted
  Loxsomopsis Christ -- accepted
  Loxsomopsis costaricensis Christ -- accepted
  Luisma M.T. Murillo & A.R. Sm. -- accepted
  Luisma bivascularis M.T. Murillo & A.R. Sm. -- accepted
  Lycopodiaceae -- accepted -- club mosses, club-moss family
  Lycopodiales -- accepted -- clubmosses
  Lycopodiastrum Holub ex R.D. Dixit -- accepted
  Lycopodiastrum casuarinoides (Spring) Holub ex R.D. Dixit -- accepted
  Lycopodiella Holub -- accepted -- lycopodiella, clubmoss
  Lycopodiella inundata (L.) Holub -- accepted -- inundated clubmoss
  Lycopodielloideae W.H. Wagner & Beitel ex B. Øllg. -- accepted
  Lycopodioideae W.H. Wagner & Beitel ex B. Øllg. -- accepted
  Lycopodiopsida -- accepted
  Lycopodium L. -- accepted -- clubmosses, club moss, clubmoss
  Lygodiaceae -- accepted -- climbing ferns
  Lygodium Sw. -- accepted -- climbing ferns
  Lygodium scandens (L.) Sw. -- accepted
  Lytoneuron (Klotzsch) Yesilyurt -- accepted
  Lytoneuron lomariaceum (Klotzsch) Yesilyurt -- accepted
  Macrothelypteris (H. Ito) Ching -- accepted
  Macrothelypteris oligophlebia (Baker) Ching -- accepted
  Malaifilix Li Bing Zhang & Schuettp. -- accepted
  Malaifilix grandidentata (Ces.) Li Bing Zhang & Schuettp. -- accepted
  Mankyua B.Y. Sun, M.H. Kim & C.H. Kim -- accepted
  Mankyua chejuensis B.Y. Sun, M.H. Kim & C.H. Kim -- accepted
  Mankyuoideae J.R. Grant & B. Dauphin -- accepted
  Marattia Sw. -- accepted -- potato fern
  Marattiaceae -- accepted
  Marattiales -- accepted
  Marattiidae -- accepted
  Marsilea L. -- accepted -- pepperwort, cloven fern, waterclover
  Marsilea quadrifolia L. -- accepted -- European waterclover
  Marsileaceae -- accepted -- pepperworts, clover ferns
  Matonia R. Br. ex Wall. -- accepted
  Matonia pectinata R. Br. -- accepted
  Matoniaceae -- accepted
  Matteuccia Tod. -- accepted -- ostrich fern
  Matteuccia struthiopteris (L.) Tod. -- accepted -- ostrich fern
  Matteuccia struthiopteris var. struthiopteris (L.) Tod. -- accepted
  Maxonia C. Chr. -- accepted -- climbing wood fern
  Maxonia apiifolia (Sw.) C. Chr. -- accepted -- climbing woodfern
  Megalastrum Holttum -- accepted
  Megalastrum villosum (L.) Holttum -- accepted
  Melpomene A.R. Sm. & R.C. Moran -- accepted -- dwarf polypody
  Melpomene moniliformis (Lag. ex Sw.) A.R. Sm. & R.C. Moran -- accepted
  Meniscium Schreb. -- accepted
  Meniscium reticulatum (L.) Sw. -- accepted
  Menisorus Alston -- accepted
  Menisorus pauciflorus (Hook.) Alston -- accepted
  Mertensia pectinata Willd. -- not accepted
  Mesophlebion Holttum -- accepted
  Mesophlebion crassifolium (Blume) Holttum -- accepted
  Mesopteris Ching -- accepted
  Mesopteris tonkinensis (C. Chr.) Ching -- accepted
  Metathelypteris (H. Ito) Ching -- accepted
  Metathelypteris gracilescens (Blume) Ching -- accepted
  Metaxya C. Presl -- accepted
  Metaxya rostrata (Kunth) C. Presl -- accepted
  Metaxyaceae -- accepted
  Mickelia R.C. Moran -- accepted
  Mickelia nicotianifolia (Sw.) R.C. Moran, Labiak & Sundue -- accepted
  Microgramma C. Presl -- accepted -- snakefern
  Microgramma persicariifolia (Schrad.) C. Presl -- accepted
  Microlepia C. Presl -- accepted -- palapalai
  Microlepia polypodioides (Sw.) C. Presl -- accepted
  Micropolypodium Hayata -- accepted
  Micropolypodium pseudotrichomanoides (Hayata) Hayata -- accepted
  Microsoroideae B.K. Nayar -- accepted
  Microsorum Link -- accepted
  Microsorum irregulare Link -- accepted
  Microsorum scolopendria (Burm. f.) Copel. -- accepted -- monarch fern
  Mildella Trevis. -- accepted
  Mildella intramarginalis (Kaulf. ex Link) Trevis. -- accepted
  Mohria Sw. -- not accepted
  Monachosorum Kunze -- accepted
  Monachosorum davallioides Kunze -- accepted
  Moranopteris R.Y. Hirai & J. Prado -- accepted
  Moranopteris basiattenuata (Jenman) R.Y. Hirai & J. Prado -- accepted
  Mycopteris Sundue -- accepted
  Mycopteris taxifolia (L.) Sundue -- accepted
  Myriopteris Fée emend. Grusz & Windham -- accepted
  Myriopteris marsupianthes Fée -- accepted
  Nannothelypteris Holttum -- accepted
  Nannothelypteris aoristisora (Harr.) Holttum -- accepted
  Neoblechnum Gasper & V.A.O. Dittrich -- accepted
  Neoblechnum brasiliense (Desv.) Gasper & V.A.O. Dittrich -- accepted
  Neocheiropteris Christ -- accepted
  Neocheiropteris palmatopedatum (Baker) Christ -- accepted
  Neolepisorus Ching -- accepted
  Neolepisorus ensatus (Thunb.) Ching -- accepted
  Nephelea R.M. Tryon -- not accepted
  Nephrolepidaceae -- accepted
  Nephrolepis Schott -- accepted -- swordfern, Boston fern
  Nephrolepis cordifolia var. cordifolia (L.) C. Presl -- accepted
  Nephrolepis exaltata (L.) Schott -- accepted -- Boston swordfern
  Nesolindsaea Lehtonen & Christenh. -- accepted
  Nesolindsaea caudata (Hook.) Lehtonen & Christenh. -- accepted
  Neurodium Fée -- not accepted -- ribbon fern
  Neurodium lanceolatum (L.) Fée -- accepted -- ribbon fern
  Niphidium J. Sm. -- accepted -- graceful fern
  Niphidium americanum (Hook.) J. Sm. -- accepted
  Notholaena R. Br. -- accepted -- cloak fern
  Notholaena trichomanoides (L.) Desv. -- accepted -- rockslope cloak fern
  Nothoperanema (Tagawa) Ching -- not accepted -- island lacefern
  Notogrammitis Parris -- accepted
  Notogrammitis billardierei (Willd.) Parris -- accepted
  Oceaniopteris Gasper & Salino -- accepted
  Oceaniopteris gibba (Labill.) Gasper & Salino -- accepted
  Odontosoria Fée -- accepted -- creepingfern
  Odontosoria uncinella (Kunze) Fée -- accepted
  Oenotrichia Copel. -- accepted
  Oenotrichia maxima (E. Fourn.) Copel. -- accepted
  Oleandra Cav. -- accepted -- oleander fern
  Oleandra neriiformis Cav. -- accepted
  Oleandraceae -- accepted
  Olfersia Raddi -- accepted -- islandfern
  Olfersia corcovadensis Kaulf. ex Raddi -- accepted
  Onoclea L. -- accepted -- sensitive fern
  Onoclea polypodioides L. -- not accepted
  Onoclea sensibilis L. -- accepted -- sensitive fern
  Onocleaceae -- accepted
  Onocleopsis F. Ballard -- accepted
  Onocleopsis hintonii F. Ballard -- accepted
  Onychium Kaulf. -- accepted
  Onychium capense Kaulf. -- accepted
  Ophioderma (Blume) Endl. -- accepted
  Ophioderma pendulum (L.) C. Presl -- accepted
  Ophioglossaceae -- accepted -- adder's-tongue
  Ophioglossales -- accepted
  Ophioglossidae -- accepted
  Ophioglossoideae C. Presl -- accepted
  Ophioglossum L. -- accepted -- adder's-tongue, adderstongue
  Ophioglossum scandens L. -- not accepted
  Oreogrammitis Copel. -- accepted
  Oreogrammitis clemensiae Copel. -- accepted
  Oreopteris Holub -- accepted
  Oreopteris limbosperma (All.) Holub -- accepted
  Ormopteris J. Sm. ex J. Sm. -- accepted
  Ormopteris gleichenioides (Gardner) J. Sm. -- accepted
  Osmolindsaea (K.U. Kramer) Lehtonen & Christenh. -- accepted
  Osmolindsaea odorata (Roxb.) Lehtonen & Christenh. -- accepted
  Osmunda L. -- accepted
  Osmundaceae -- accepted -- royal ferns
  Osmundales -- accepted
  Osmundastrum C. Presl -- accepted
  Paesia A. St.-Hil. -- accepted
  Paesia viscosa A. St.-Hil. -- accepted
  Palhinhaea Vasc. & Franco -- accepted -- nodding clubmoss
  Palhinhaea cernua (L.) Franco & Vasc. -- accepted -- staghorn clubmoss
  Parablechnum C. Presl -- accepted
  Parablechnum procerum (G. Forst.) C. Presl -- accepted
  Paragramma (Blume) T. Moore -- accepted
  Paragramma longifolia (Blume) T. Moore -- accepted
  Paragymnopteris K.H. Shing -- accepted
  Paragymnopteris marantae (L.) K.H. Shing -- accepted
  Parahemionitis Panigrahi -- accepted
  Parahemionitis arifolia (Burm. f.) Panigrahi -- accepted
  Parapolystichum (Keyserl.) Ching -- accepted
  Parapolystichum effusum (Sw.) Ching -- accepted
  Paraselliguea Hovenkamp -- accepted
  Paraselliguea leucophora (Baker) Hovenkamp -- accepted
  Parathelypteris (H. Ito) Ching -- accepted
  Parathelypteris glanduligera (Kunze) Ching -- accepted
  Parkerioideae Burnett -- accepted
  Pecluma M.G. Price -- accepted -- rockcap fern
  Pellaea Link -- accepted -- cliff-brake, cliffbrake
  Pellaea atropurpurea (L.) Link -- accepted -- purple-stem cliff-brake, pelléade à stipe pourpre, purple-stem cliffbrake, purple cliffbrake
  Peltapteris Link -- not accepted
  Pentagramma Yatsk., Windham & E. Wollenw. -- accepted -- goldback fern
  Pentagramma triangularis (Kaulf.) Yatsk., Windham & E. Wollenw. -- accepted -- goldback fern, western goldfern
  Pentarhizidium Hayata -- accepted
  Pentarhizidium japonicum Hayata -- accepted
  Peranema D. Don -- not accepted
  Phanerophlebia C. Presl -- accepted -- Mexican holly fern
  Phanerophlebia nobilis (Schltdl. & Cham.) C. Presl -- accepted
  Phanerosorus Copel. -- accepted
  Phanerosorus sarmentosus (Baker) Copel. -- accepted
  Phegopteridoideae -- accepted
  Phegopteris Fée -- accepted -- beech fern
  Phegopteris polypodioides Fée -- accepted
  Phlebodium (R. Br.) J. Sm. -- accepted -- golden polypody
  Phlebodium aureum (L.) J. Sm. -- accepted -- golden polypody
  Phlegmariurus (Herter) Holub -- accepted -- hanging firmoss
  Phlegmariurus phlegmaria (L.) T. Sen & U. Sen -- accepted
  Phyllitis Hill -- not accepted
  Phylloglossum Kunze -- accepted
  Phylloglossum drummondii Kunze -- accepted -- pigmy clubmoss
  Phymatosorus Pic. Serm. -- not accepted
  Pilularia L. -- accepted -- pillwort
  Pilularia globulifera L. -- accepted
  Pityrogramma Link -- accepted -- gold fern, gold-back fern, goldback fern
  Pityrogramma chrysophylla (Sw.) Link -- accepted -- island goldback fern
  Plagiogyria (Kunze) Mett. -- accepted
  Plagiogyria euphlebia (Kunze) Mett. -- accepted
  Plagiogyriaceae -- accepted
  Platycerioideae B.K. Nayar -- accepted
  Platycerium Desv. -- accepted
  Platycerium alcicorne Desv. -- accepted
  Plenasium C. Presl -- accepted
  Plenasium banksiaefolium (C. Presl) C. Presl -- accepted
  Pleocnemia C. Presl -- accepted
  Pleocnemia leuzeana (Gaudich.) C. Presl -- accepted
  Pleopeltis Humb. & Bonpl. ex Willd. -- accepted -- scaly polypody
  Pleopeltis angusta Humb. & Bonpl. ex Willd. -- accepted
  Plesioneuron (Holttum) Holttum -- accepted
  Plesioneuron tuberculatum (Ces.) Holttum -- accepted
  Pleurosoriopsis Fomin -- accepted
  Pleurosoriopsis makinoi (Maxim. ex Makino) Fomin -- accepted
  Pneumatopteris Nakai -- accepted -- air fern
  Pneumatopteris callosa (Blume) Nakai -- accepted
  Polybotrya Humb. & Bonpl. ex Willd. -- accepted
  Polybotrya osmundacea Humb. & Bonpl. ex Willd. -- accepted
  Polybotryoideae H.M. Liu & X.C. Zhang -- accepted
  Polyphlebium Copel. -- accepted
  Polyphlebium venosum (R. Br.) Copel. -- accepted
  Polypodiaceae -- accepted -- common ferns, licorice ferns
  Polypodiales -- accepted
  Polypodiidae -- accepted
  Polypodiineae -- accepted
  Polypodioideae Sweet -- accepted
  Polypodiopsida -- accepted -- leptosporangiate ferns
  Polypodiopteris C.F. Reed -- accepted
  Polypodiopteris proavita (Copel.) C.F. Reed -- accepted
  Polypodium L. -- accepted -- polypody
  Polypodium deltoideum Sw. -- not accepted
  Polypodium effusum Sw. -- not accepted
  Polypodium myosuroides Sw. -- not accepted
  Polypodium normale D. Don -- not accepted
  Polypodium reticulatum L. -- not accepted
  Polypodium taxifolium L. -- not accepted
  Polypodium villosum L. -- not accepted
  Polypodium vulgare L. -- accepted
  Polystichopsis (J. Sm.) Holttum -- accepted
  Polystichopsis pubescens (L.) C.V. Morton -- accepted
  Polystichum Roth -- accepted -- Christmas fern, sword fern, hollyfern, holly fern
  Polystichum aculeatum (L.) Roth -- accepted
  Polytaenium Desv. -- accepted
  Polytaenium citrifolium (L.) Schuettp. -- accepted
  Polytaenium lanceolatum (Sw.) Desv. -- accepted
  Pronephrium C. Presl -- accepted
  Pronephrium lineatum (Blume) C. Presl -- accepted
  Prosaptia C. Presl -- accepted
  Prosaptia contigua (G. Forst.) C. Presl -- accepted
  Pseudocyclosorus Ching -- accepted
  Pseudocyclosorus tylodes (Kunze) Ching -- accepted
  Pseudodiphasium Holub -- accepted
  Pseudodiphasium volubile (G. Forst.) Holub -- accepted
  Pseudolycopodiella Holub -- accepted -- clubmoss
  Pseudolycopodiella caroliniana (L.) Holub -- accepted -- slender clubmoss
  Pseudolycopodium Holub -- accepted
  Pseudolycopodium densum (Rothm.) Holub -- accepted
  Pseudophegopteris Ching -- accepted
  Pseudophegopteris pyrrhorachis (Kunze) Ching -- accepted
  Psilotaceae -- accepted
  Psilotales -- accepted
  Psilotum Sw. -- accepted -- whisk fern
  Psilotum triquetrum Sw. -- accepted
  Pteridaceae -- accepted -- maidenhair ferns
  Pteridineae -- accepted
  Pteridium Gled. ex Scop. -- accepted -- brake-fern, brackenfern, bracken ferns
  Pteridium aquilinum (L.) Kuhn -- accepted -- bracken, bracken fern, brackenfern, northern bracken fern, western brackenfern, fougère des aigles
  Pteridoblechnum Hennipman -- not accepted
  Pteridoideae Link -- accepted
  Pteridrys C. Chr. & Ching -- accepted
  Pteridrys syrmatica (Willd.) C. Chr. & Ching -- accepted
  Pteris L. -- accepted -- brake fern
  Pteris longifolia L. -- accepted -- longleaf brake
  Pteris rigidum Sw. -- not accepted
  Pterozonium Fée -- accepted
  Pterozonium reniforme (Mart.) Fée -- accepted
  Ptisana Murdock -- accepted
  Pyrrosia Mirb. -- accepted
  Pyrrosia chinensis Desv. -- accepted
  Radiogrammitis Parris -- accepted
  Radiogrammitis setigera (Blume) Parris -- accepted
  Radiovittaria (Benedict) E.H. Crane -- accepted
  Radiovittaria remota (Fée) E.H. Crane -- accepted
  Regnellidium Lindm. -- accepted
  Regnellidium diphyllum Lindm. -- accepted
  Rhachidosoraceae -- accepted
  Rhachidosorus Ching -- accepted
  Rhachidosorus mesosorus (Makino) Ching -- accepted
  Rheopteris Alston -- accepted
  Rheopteris cheesmaniae Alston -- accepted
  Rhizoglossum C. Presl -- accepted
  Rhizoglossum bergianum (Schltdl.) C. Presl -- accepted
  Rumohra Raddi -- accepted
  Rumohra aspidioides Raddi -- accepted
  Saccoloma Kaulf. -- accepted -- soralpouch fern
  Saccoloma elegans Kaulf. -- accepted
  Saccolomataceae -- accepted
  Saccolomatineae -- accepted
  Sadleria Kaulf. -- accepted
  Salpichlaena J. Sm. -- accepted
  Salpichlaena volubilis (Kaulf.) J. Sm. -- accepted
  Salvinia Ség. -- accepted -- watermoss
  Salvinia natans (L.) All. -- accepted -- eared watermoss, floating watermoss
  Salviniaceae -- accepted -- water ferns, floating ferns
  Salviniales -- accepted -- water ferns, heterosporous ferns
  Sceptridium Lyon -- accepted -- grape-fern
  Sceptridium obliquum (Muhl. ex Willd.) Lyon -- accepted
  Schizaea Sm. -- accepted -- curlygrass fern, curly-grass fern
  Schizaea dichotoma (L.) Sm. -- accepted
  Schizaeaceae -- accepted
  Schizaeales -- accepted
  Schizocaena J. Sm. ex Hook. -- not accepted
  Scleroglossum Alderw. -- accepted
  Scleroglossum pusillum (Blume) Alderw. -- accepted
  Scoliosorus T. Moore -- accepted
  Scoliosorus ensiformis (Hook.) T. Moore -- accepted
  Selaginella P. Beauv. -- accepted -- lesser clubmoss, spikemoss
  Selaginellaceae -- accepted
  Selaginellales -- accepted -- spikemosses
  Selliguea Bory -- accepted
  Selliguea feei Bory -- accepted
  Serpocaulon A.R. Sm. -- accepted
  Serpocaulon loriceum (L.) A.R. Sm. -- accepted
  Sphaeropteris Bernh. -- accepted
  Sphaeropteris medullaris (G. Forst.) Bernh. -- accepted -- black tree fern
  Sphaerostephanos J. Sm. -- accepted
  Sphaerostephanos asplenioides J. Sm. -- accepted
  Sphenomeris Maxon -- accepted -- parsley fern
  Sphenomeris clavata (L.) Maxon -- accepted
  Spicantopsis Nakai -- not accepted
  Spinulum A. Haines -- accepted
  Spinulum annotinum (L.) A. Haines -- accepted
  Steenisioblechnum Hennipman -- not accepted
  Stegania R. Br. -- not accepted
  Stegnogramma Blume -- accepted
  Stegnogramma aspidioides Blume -- accepted
  Steiropteris (C. Chr.) Pic. Serm. -- accepted
  Steiropteris deltoidea (Sw.) Pic. Serm. -- accepted
  Stenochlaena J. Sm. -- accepted
  Stenochlaena palustris (Burm. f.) Bedd. -- accepted
  Stenochlaenoideae -- accepted
  Stenogrammitis Labiak -- accepted
  Stenogrammitis myosuroides (Sw.) Labiak -- accepted
  Sticherus C. Presl -- accepted -- umbrella fern
  Sticherus laevigatus (Willd.) C. Presl -- accepted
  Stigmatopteris C. Chr. -- accepted
  Stigmatopteris rotundata (Willd.) C. Chr. -- accepted
  Stromatopteris Mett. -- accepted
  Stromatopteris moniliformis Mett. -- accepted
  Struthiopteris Scop. -- accepted
  Struthiopteris spicant (L.) Weiss -- accepted
  Synammia C. Presl -- accepted
  Synammia triloba (Cav.) C. Presl. -- accepted
  Syngramma J. Sm. -- accepted
  Syngramma alismifolia (C. Presl) J. Sm. -- accepted
  Taenitis Willd. ex Schkuhr -- accepted
  Taenitis pteroides Willd. ex Schkuhr -- accepted
  Tapeinidium (C. Presl) C. Chr. -- accepted
  Tapeinidium pinnata (Cav.) C. Chr. -- accepted
  Tectaria Cav. -- accepted -- halberd fern
  Tectaria trifoliata (L.) Cav. -- accepted -- threeleaf halberd fern
  Tectariaceae -- accepted -- halberd ferns
  Telmatoblechnum Perrie -- accepted
  Telmatoblechnum serrulatum (Rich.) Perrie -- accepted
  Teratophyllum Mett. ex Kuhn -- accepted
  Teratophyllum aculeatum (Blume) Mett. ex Kuhn -- accepted
  Terpsichore A.R. Sm. -- accepted
  Terpsichore asplenifolia (L.) A.R. Sm. -- accepted
  Thelypteridaceae -- accepted -- marsh ferns
  Thelypteridoideae C.F. Reed -- accepted
  Thelypteris Schmidel -- accepted -- marsh ferns, wood ferns, maiden fern
  Thelypteris palustris Schott -- accepted -- marsh fern, meadow fern, eastern marsh fern
  Themelium (T. Moore) Parris -- accepted
  Themelium tenuisectum (Blume) Parris -- accepted
  Thylacopteris Kunze ex J. Sm. -- accepted
  Thylacopteris papillosa (Blume) J. Sm. -- accepted
  Thyrsopteridaceae -- accepted
  Thyrsopteris Kunze -- accepted
  Thyrsopteris elegans Kunze -- accepted
  Thysanosoria A. Gepp -- accepted
  Thysanosoria dimorphophylla A. Gepp -- accepted
  Tmesipteris Bernh. -- accepted
  Tmesipteris tannensis (Spreng.) Bernh. -- accepted
  Todea Willd. ex Bernh. -- accepted
  Tomophyllum (E. Fourn.) Parris -- accepted
  Tomophyllum subsecundodissectum (Zoll.) Parris -- accepted
  Trachypteris André ex Christ -- accepted
  Trachypteris aureonitens (Hook.) André ex Christ -- accepted
  Trichipteris C. Presl -- not accepted
  Tricholepidium Ching -- accepted
  Tricholepidium normale (D. Don) Ching -- accepted
  Trichomanes L. -- accepted -- bristle fern
  Trichomanes crispum L. -- accepted -- crisped bristle fern
  Trichomanoideae C. Presl -- accepted
  Trichoneuron Ching -- accepted
  Trichoneuron microlepioides Ching -- accepted
  Trigonospora Holttum -- accepted
  Trigonospora ciliata (Benth.) Holttum -- accepted
  Triplophyllum Holttum -- accepted
  Triplophyllum protensum (Afzel. ex Sw.) Holttum -- accepted
  Tryonia Schuettp. -- accepted
  Tryonia myriophylla (Sw.) Schuettp. -- accepted
  Vaginularia Fée -- accepted
  Vaginularia trichoidea Fée -- accepted
  Vandenboschia Copel. -- accepted
  Vandenboschia radicans (Sw.) Copel. -- accepted -- aerialroot bristle fern
  Vittaria Sm. -- accepted -- shoestring ferns
  Vittaria lanceolata Sw. -- not accepted
  Vittaria lineata (L.) Sm. -- accepted -- shoestring fern
  Vittaria remota Fée -- not accepted -- purplestem shoestring fern
  Vittarioideae Link -- accepted
  Woodsia R. Br. -- accepted -- cliff fern
  Woodsia ilvensis (L.) R. Br. -- accepted -- rusty woodsia
  Woodsiaceae -- accepted -- cliff ferns
  Woodwardia Sm. -- accepted -- chain fern, chainfern
  Woodwardia areolata (L.) T. Moore -- not accepted -- chainfern, netted chainfern
  Woodwardia radicans (L.) Sm. -- accepted -- rooting chainfern
  Woodwardioideae -- accepted
  X Cyathidaria Caluff & Shelton -- not accepted
  Xiphopterella Parris -- accepted
  Xiphopterella hieronymusii (C. Chr.) Parris -- accepted
  Xyropteris K.U. Kramer -- accepted
  Xyropteris sortii (Alderw.) K.U. Kramer -- accepted
  Zygophlebia L.E. Bishop -- accepted -- octopus fern
  Zygophlebia sectifrons (Kunze ex Mett.) L.E. Bishop -- accepted -- octopus fern
   

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