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Burknar Leiðsagnarvalbæta við greinina„A classification for extant ferns“10.2307/2506564625065646upprunalegu„The number of known plants species in the world and its annual increase“10.11646/phytotaxa.261.3.1

PlönturByrkningar


tegundir












Burknar




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(Endurbeint frá Burkni)





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Burkni er líka mannsnafn.
Burknar
Tímabil steingervinga: Snið:Fossil range

Dæmigerður burkni að opna blaðið
Dæmigerður burkni að opna blaðið


Vísindaleg flokkun












Ríki:

Jurtaríki (Plantae)


Undirríki:

Embryophyta


Skipting:

Byrkningar (Pteridophyta)

(óraðað):

Monilophytes eða Pteridophytes


Flokkur:

Burknar (Pteridopsida)

Classes[1]

  • †Cladoxylopsida

  • Psilotopsida


  • Equisetopsida (alias Sphenopsida)

  • Marattiopsida


  • Polypodiopsida (alias Pteridopsida, Filicopsida)

  • †Zygopteridales

  • †Stauropteridales

  • †Rhacophytales


Samheiti

  • Monilophyta

  • Polypodiophyta

  • Filicophyta

  • Filices

Burknar er hópur jurta með um 10,560 þekktar núlifandi tegundir[2] sem fjölga sér með gróum en ekki fræjum og hafa ekki blóm. Þeir eru frábrugðnir mosum að því leyti að þeir hafa æðakerfi sem flytur vatn og næringu. Þeir eru með greinda stofna og blöð eins og aðrar æðplöntur.



  Þessi líffræðigrein er stubbur. Þú getur hjálpað til með því að bæta við greinina.


  1. .mw-parser-output .citation a.newcolor:black
    Smith, A.R.; Pryer, K.M.; Schuettpelz, E.; Korall, P.; Schneider, H.; Wolf, P.G. (2006). „A classification for extant ferns“ (PDF). Taxon. 55 (3): 705–731. doi:10.2307/25065646. JSTOR 25065646. Afrit af upprunalegu (PDF) geymt þann 26 February 2008. Sótt 12. febrúar 2008..mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em




  2. Christenhusz, M. J. M.; Byng, J. W. (2016). „The number of known plants species in the world and its annual increase“. Phytotaxa. Magnolia Press. 261 (3): 201–217. doi:10.11646/phytotaxa.261.3.1.





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