Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies [[crown] organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] [Domain Eucaryota] [Subdomain Chlorota Doweld (2001)] [Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants] see Subkingdom Viridiplantae Caval.-Sm. (1981) [Subkingdom Pteridobiotina Britton & A. Br. (1896)] Superphylum Pteridophytanaeᵀ Doweld (2001) [Phylum Pteridophytaᵀ Schimp. (1879)] see Phylum Filicinophyta [Class Cyatheopsida Doweld (2001)] see Order Cyatheales A.B.Frank (1877) 1 [Subclass Plagiogyriidae Doweld (2001) [monotypic]] 2 [Subclass Cyatheidaeᵀ Doweld (2001)]