Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981) Count: [*†*] 10p;24c;72o;262f;1685g; †5p;17c;56o;141f;593g Subkingdom Pteridobiotina Britton & A. Br. (1896) Count: [*†*] 6p;9c;20o;58f;370g; †2p;12c;42o;103f;488g Superdivision Pteridophytanae Doweld (2001) [monotypic] see Superphylum Pteridophytanae Doweld (2001) Count: [*†*] 1p;4c;11o;46f;287g; †5o;31f;127g [30 Mar 2023] Division Monilophyta Cantino & Donoghue Count: [*†*] 4c;11o;46f;287g; †5o;31f;127g [30 Mar 2023] Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966) - ferns Count: [*†*] 7o;42f;273g; †7f;42g [30 Mar 2023] Order Osmundales Bercht. & J.Presl (1820) [monotypic] Count: [*†*] 1f;4g; †14g [18 Mar 2023] Family Osmundaceae Martinov (1820) Count: [*†*] 4g; †14g [18 Mar 2023] Genus †Thamnopteris Brongn. (1849) Count: -