[plants] Haeckel (1866) - plants
   vascular plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
     euphyllophytes see Clade Euphyllophyta Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
       "Moniliformopses" Kenrick & P.R.Crane (1997), nom. inval. - ferns see Infraphylum Moniliformopses Kenrick & P.R.Crane (1997), nom. inval.
         Class Polypodiopsida Cronquist, Takht. & Zimmerm. (1966) - ferns
           Order Polypodiales Link (1833) - cathetogyrates
             Family Polypodiaceae J.Presl & C.Presl (1822) - polygrams
               1 Genus Caobangia A.R.Sm. & X.C.Zhang (2002) see Genus Lepisorus (J.Sm.) Ching (1933)
               2 Genus Gymnogrammitis Griffith (1849)
               3 Genus Kontumia S.K.Wu & P.K.Lôc see Genus Leptochilus Kaulf. (1824)
               4 Genus Pleurosoriopsis Fomin (1930)
               5 Subfamily Platycerioideae B.K.Nayar (1970)
               6 Subfamily Polypodioideae Sweet (1826)
               7 Grammitids