| Gattung: | Blechnum L. |
| Familie: | Blechnaceae |
| Arten: | 190 |
| Vorkommen: | weltweit |
| Arten: |
| Blechnum acutiusculum (Alderw.) C. Chr. |
| Blechnum amabile Mak. |
| Blechnum ambiguum Kaulf. ex Presl |
| Blechnum andinum (Bak.) C. Chr. |
| Blechnum anthracinum R.C.Moran |
| Blechnum archboldii C. Chr. |
| Blechnum arcuatum Remy ex Fée |
| Blechnum articulatum (F. Muell.) S.B.Andrews |
| Blechnum asperum (KI.) Sturm |
| Blechnum asplenioides Sw. |
| Blechnum atropurpureum A. R. Sm. |
| Blechnum attenuatum (Sw.) Mett. |
| Blechnum attenuatum var. confine (de Cord.) Tard. |
| Blechnum attenuatum var. giganteum (Kaulf.) Bonap. |
| Blechnum auratum (Fée) R. M. Tryon & Stolze |
| Blechnum auratum subsp. auratum (Fée) R. M. Tryon & Stolze |
| Blechnum auratum subsp. columbiense (Hieron.) R. M. Tryon & Stolze |
| Blechnum australe L. |
| Blechnum australe subsp. australe L. |
| Blechnum australe var. aberrans N.C.Anthony & Schelpe |
| Blechnum australe subsp. auriculatum (Cav.) de la Sota |
| Blechnum austrobrasilianum Sota |
| Blechnum bakeri C. Chr. |
| Blechnum bamlerianum Rosenst. |
| Blechnum binervatum (Poiret) C. Morton & Lellinger |
| Blechnum binervatum subsp. binervatum (Poiret) C. Morton & Lellinger |
| Blechnum binervatum subsp. acutum (Desv.) R. M. Tryon & Stolze |
| Blechnum binervatum subsp. fragile (Liebm.) R.M. Tryon & Stolze |
| Blechnum blumei Moore |
| Blechnum borneense C. Chr. |
| Blechnum bradei Markgraf |
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| Blechnum brasiliense Desv.
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| Blechnum brassii Copel. |
| Blechnum brevifolium Kunkel |
| Blechnum camfieldii Tindale |
| Blechnum cartilagineum Sw. |
| Blechnum castaneum Mak. & Nemoto |
| Blechnum chambersii Tind. |
| Blechnum chauliodontum Copel. |
| Blechnum chilense (Kaulf.) Mett. |
| Blechnum chiriquanum (Broadh.) C. Chr. |
| Blechnum christii C. Chr. |
| Blechnum colensoi (J.D. Hook. in Hook.) Wakef. |
| Blechnum confusum (Fourn.) Brownlie |
| Blechnum contiguum Mett. |
| Blechnum corbassonii Brownlie |
| Blechnum cordatum (Desv.) Hieron. |
| Blechnum coriaceum (Brackenr.) Brownlie |
| Blechnum corralense Espinosa |
| Blechnum cycadifolium (Colla) Sturm |
| Blechnum decorum Brause |
| Blechnum dendrophilum (Sod.) C. Chr. |
| Blechnum dentatum (Kuhn) Diels |
| Blechnum deorso-lobatum Brause |
| Blechnum difforme Copel. |
| Blechnum discolor (Forst.) Keys. |
| Blechnum divergens (Kunze) Mett. |
| Blechnum diversifolium Mett. |
| Blechnum doodioides (Brackenr.) Brownlie |
| Blechnum durum (Moore) C. Chr. |
| Blechnum eburneum Christ |
| Blechnum egregium Copeland |
| Blechnum elongatum Gaud. |
| Blechnum exiguum Dutra |
| Blechnum extensum Fée |
| Blechnum falciforme (Liebm.) C. Chr. |
| Blechnum fendleri Hook. |
| Blechnum filiforme (A. Cunn.) Ettingsh. |
| Blechnum finlaysonianum Wall. |
| Blechnum floresii (Sod.) C. Chr. |
| Blechnum fluviatile (R. Br.) Lowe |
| Blechnum fraseri (A. Cunn.) Luerss. |
| Blechnum fraxineum Willd. |
| Blechnum fullagarii (F. Muell.) C. Chr. |
| Blechnum gemmascens Alston |
| Blechnum geniculatum T.C.Chambers & P.A.Farrant |
| Blechnum gibbum (Lab.) Mett. |
| Blechnum glandulosum Kaulf. ex Link |
| Blechnum glaziovii Christ |
| Blechnum gracile Kaulf. |
| Blechnum gregsonii (Watts) Tindale |
| Blechnum hancockii Hance |
| Blechnum hastatum Kaulf. |
| Blechnum heringeri Brade |
| Blechnum hieronymi Brause |
| Blechnum hirsutum Rosenst. |
| Blechnum howeanum T.C.Chambers & P.A.Farrant |
| Blechnum humbertii Tardieu |
| Blechnum indicum Burm. |
| Blechnum inflexum (Kze.) Kuhn |
| Blechnum insularum C. Morton & Lellinger |
| Blechnum integerrimum Spreng. |
| Blechnum itatiaiense Brade |
| Blechnum ivohibense C. Chr. |
| Blechnum jamaicense (Broadh.) C. Chr. |
| Blechnum keysseri Rosenst. |
| Blechnum laevigatum Cav. |
| Blechnum lanceola Sw. |
| Blechnum ledermanni Brause |
| Blechnum lehmannii Hieron. |
| Blechnum lenormandii (Bak.) Diels |
| Blechnum lima Rosenst. |
| Blechnum lineatum (Sw.) Hier. |
| Blechnum longepetiolatum Tardieu |
| Blechnum longicauda C. Chr. |
| Blechnum longifolium Hunter |
| Blechnum loxense (Kunth) Hook. ex Salomon |
| Blechnum ludificans Herter |
| Blechnum macahense Brade |
| Blechnum madagascariense Tardieu |
| Blechnum magellanicum (Desv.) Mett. |
| Blechnum melanopus Hook. |
| Blechnum membranaceum (Col.) Mett. |
| Blechnum meridense Klotzsch |
| Blechnum mexiae Copel. |
| Blechnum microbasis (Bak.) C. Chr. |
| Blechnum microbasis var. biforme (Bak.) Tard. |
| Blechnum microphyllum (Goldm.) C. Morton |
| Blechnum milnei (Carr.) C. Chr. |
| Blechnum minus (R. Br.) Ettingsh. |
| Blechnum minutulum Christ |
| Blechnum mochaenum Kunkel |
| Blechnum mochaenum var. fernandezianum (Looser) de la Sota |
| Blechnum mochaenum var. achalense (Hieron.) de la Sota |
| Blechnum mochaenum var. squamipes (Hieron.) de la Sota |
| Blechnum monomorphum R.C.Moran & B.Ollg. |
| Blechnum montanum T.C.Chambers & P.A.Farrant |
| Blechnum montbrisonis C. Chr. |
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| Blechnum moorei C. Chr.
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| Blechnum mucronatum Fée |
| Blechnum nigropaleaecum Alston |
| Blechnum nigrum (Col.) Mett. |
| Blechnum norfolkianum (Heward) Maiden |
| Blechnum novae-zelandiae T.C.Chambers & P.A.Farrant |
| Blechnum nudius Copel. |
| Blechnum nudum (Labill.) Mett. ex Luerss. |
| Blechnum nukuhivense E. Brown |
| Blechnum obtusatum (Lab.) Mett. |
| Blechnum obtusatum var. francii (Ros.) Brownlie |
| Blechnum obtusifolium Ettingsh. |
| Blechnum occidentale L. |
| Blechnum occidentale var. minor Hooker |
| Blechnum oceanicum (Rosenstock) Brownlie |
| Blechnum oceanicum var. flocculosum (C. Chr.) Brownlie |
| Blechnum opacum Mett. |
| Blechnum organense Brade |
| Blechnum orientale L. |
| Blechnum pallescens T. C. Chambers |
| Blechnum patersonii (R. Br.) Mett. |
| Blechnum patersonii subsp. patersonii (R. Br.) Mett. |
| Blechnum patersonii subsp. queenslandicum T.C.Chambers & P.A.Farrant |
| Blechnum penna-marina (Poir.) Kuhn |
| Blechnum penna-marina subsp. penna-marina (Poir.) Kuhn |
| Blechnum penna-marina subsp. alpina (R.Brown) T.C.Chambers & P.A.Farrant |
| Blechnum penna-marina subsp. boliviana (Rosenst.) T.C.Chambers & P.A.Farrant |
| Blechnum petiolare (Sod.) C. Chr. |
| Blechnum petiolatum Hunter |
| Blechnum pilosum (Brackenr.) Brownlie |
| Blechnum polypodioides Raddi |
| Blechnum procerum (Forst. f.) Swartz |
| Blechnum proliferum Rosenst. |
| Blechnum punctulatum Sw. |
| Blechnum punctulatum var. atherstonei (Pappe & Rawson) Sim |
| Blechnum punctulatum var. intermedium Sim |
| Blechnum punctulatum var. krebsii (Kunze) Sim |
| Blechnum pyrophilum (Blume) C. Morton |
| Blechnum raddianum Rosenst. |
| Blechnum raiateense J. W. Moore |
| Blechnum regnellianum (Kze.) C. Chr. |
| Blechnum revolutum (Alderw.) C. Chr. |
| Blechnum rheophyticum R.C.Moran |
| Blechnum rimbachii (Sod.) C. Chr. |
| Blechnum rosenstockii Copel. |
| Blechnum rufum (Spreng.) C. Chr. |
| Blechnum ryanii Hieron. |
| Blechnum sampaioanum Brade |
| Blechnum saxatile Brause |
| Blechnum scaberulum Sod. |
| Blechnum schiedeanum (Schltdl. ex C. Presl) Hieron. |
| Blechnum schomburgkii (Kl.) C. Chr. |
| Blechnum schottii (Colla) C. Chr. |
| Blechnum serrulatum L. C. Rich. |
| Blechnum serrulatum subsp. serrulatum L. C. Rich. |
| Blechnum sessilifolium (Klotzsch ex H. Christ) C. Chr. |
| Blechnum shaferi (Broadh.) C. Chr. |
| Blechnum simile Sehnem |
| Blechnum simillimum (Bak.) Diels |
| Blechnum simillimum var. xiphophyllum (Bak.) Tard. |
| Blechnum simillimum var. binerve (Hook.) Tard. |
| Blechnum socialis Sod. |
| Blechnum sodiroi C. Chr. |
| Blechnum spannagelii Rosenst. |
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| Blechnum spicant (L.) Smith |
| Blechnum sprucei C. Chr. |
| Blechnum stierii Rosenst. |
| Blechnum stipitellatum (Sodiro) C. Chr. |
| Blechnum stoloniferum (Mett. ex E. Fourn.) C. Chr. |
| Blechnum subcordatum (Fourn.) Brownlie |
| Blechnum sylvaticum Schelpe |
| Blechnum tabulare (Thunb.) Kuhn |
| Blechnum treubii Alderw. |
| Blechnum triangularifolium T.C.Chambers & P.A.Farrant |
| Blechnum tuerckheimii Brause |
| Blechnum usterianum (Christ) C. Chr. |
| Blechnum valdiviense C. Chr. |
| Blechnum valdiviense var. contigua Hieron. |
| Blechnum var. ans (E. Fourn.) C. Chr. |
| Blechnum venosum Copel. |
| Blechnum vestitum (BI.) Kuhn |
| Blechnum vieillardii Mett. |
| Blechnum vieillardii var. simplex Fourn. |
| Blechnum violaceum (Fée) Hier. |
| Blechnum vittatum Brackenr. |
| Blechnum vulcanicum (BI.) Kuhn |
| Blechnum vulcanicum var. feani E. Br. |
| Blechnum vulcanicum var. tovii E. Br. |
| Blechnum vulcanicum var. rapense E. Br. |
| Blechnum wardiae Mickel & Beitel |
| Blechnum wattsii Tind. |
| Blechnum werckleanum (H. Christ) C. Chr. |
| Blechnum werffii R.C. Moran |
| Blechnum whelanii Bailey |
| Blechnum wolamense Cuf. |
| Blechnum wurunuran Parris |