vascular plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998) Count: - euphyllophytes see Clade Euphyllophyta Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020] Count: - monilophytes - ferns see Clade Monilophyta Cantino & Donoghue 2007 [Doyle, Cantino & Donoghue 2020] Count: - 1 Class Psilotopsida D.H.Scott (1909) see Subclass Ophioglossidae Klinge (1882) Count: [g] 2o;2f;6g 2.1 Class Equisetopsida C.Agardh (1825) - horsetails see Subclass Equisetidae Warm. (1883) Count: [g] 1o;1f;1g 2.2 Class Marattiopsida Doweld (2001) see Subclass Marattiidae Klinge (1882) Count: [g] 1o;1f;4g 2.3 Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966) - ferns Count: [g] 7o;33f;266g;1s; †1g