„Burknar“: Munur á milli breytinga

| subregnum = [[Embryophyta]]

| divisio = [[Byrkningar]] (''Pteridophyta'')

| subdivision_ranks = Classes<ref name=Smith2006>{{cite journal|author=Smith, A.R. |author2=Pryer, K.M. |author3=Schuettpelz, E. |author4=Korall, P. |author5=Schneider, H. |author6=Wolf, P.G. |year=2006 |title=A classification for extant ferns |journal=Taxon |volume=55 |issue=3 |pages=705–731 |url=http://www.pryerlab.net/publication/fichier749.pdf |accessdate=2008-02-12 |doi=10.2307/25065646 |jstor=25065646 |deadurl=yes |archiveurl=https://web.archive.org/web/20080226232147/http://www.pryerlab.net/publication/fichier749.pdf |archivedate=26 February 2008 }}</ref>

| subdivision =

{{reflist}}

 

[[Flokkur:Byrkningar]]