vegetable kingdom
   Cryptogams
     Class Acrogens Lindl.
       Alliance Filicales Dumort.
         Natural order Filices Juss. (1789)
           01 Tribe Marattiaceæ Kaulf.
           02 Tribe Osmundaceæ Martynov
           03 Tribe Schizæaceæ Kaulf.
           04 Tribe Parkeriaceæ Hook.
           05 Tribe Acrostichaceæ Mett. ex Frank
           06 Tribe Tænitideæ
           07 Tribe Grammitaceæ
           08 Tribe Polypodiaceæ J.Presl & C.Presl
           09 Tribe Vittariaceæ Ching
           10 Tribe Adiantiaceæ
           11 Tribe Dicksoniaceæ C.Presl (1836) see Tribe Dicksonieae Gaudich. (1829)
           12 Tribe Davalliaceæ (Gaudich.) M. R. Schomb.
           13 Tribe Aspleniaceæ Newman
           14 Tribe Aspidiaceæ Mett. ex A.B.Frank
           15 Tribe Peranemaceæ C.Presl (1836), orth. inval.
           16 Tribe Hymenophyllaceæ Mart.
           17 Tribe Cyatheaceæ Subfamily Dicksonieae Gaudich.
           18 Tribe Gleicheniaceæ (R.Br.) C.Presl