Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Clade neomura Cavalier-Smith, 1987
Domain Eukaryota Chatton, 1925 - eukaryotes
Clade discaria Cavalier-Smith, 2021
Clade natates Cavalier-Smith, 2021
Clade photaria Cavalier-Smith, 2021
Clade eucorta Cavalier-Smith, 2021
Superkingdom Corticata Lankester, 1878 - corticates
Kingdom Plantae Haeckel (1866) - plants
Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
Infrakingdom Streptophyta Caval.-Sm. (1993)
Clade Phragmoplastophyta Lecointre & Le Guyader 2006 [Hall, McCourt, Delwiche, Mishler & Karol 2020]
Clade Embryophytaᵀ Engler 1887 [Mishler & Qiu 2020]
Clade Pan-Tracheophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
Clade Apo-Tracheophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
[crown] Phylum Tracheophytaᵀ Sinnott ex Caval.-Sm. (1998) - vascular plants
Clade Pan-Euphyllophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
Clade Euphyllophytaᵀ Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
Subphylum Polypodiophytinaᵀ Reveal (1996) [monotypic]
Class Polypodiopsidaᵀ Cronquist, Takht. & Zimmerm. (1966) - ferns
Subclass Equisetidae Warm. (1883)
Order Equisetalesᵀ DC. ex Bercht. & J.Presl (1829)
Family †Calamostachyaceae S.V.Meyen (1978), nom. cons. prop.
01 Genus †Annularia Sternb. (1821)
02 Genus †Archaeocalamites Stur (1875)
03 Genus †Asterophyllites Brongn. (1828), nom. cons.
04 Genus †Astromyelon Will. (1883)
05 Genus †Calamites Brongn. (1828), nom. cons.
06 Genus †Calamocarpon Baxter (1963)
07 Genus †Calamostachysᵀ Schimp. (1880)
08 Genus †Cingularia C.E.Weiss (1870)
09 Genus †Kallostachys Brush & Barghoorn (1955)
10 Genus †Mazostachys Kosanke (1955)
11 Genus †Palaeostachya C.E.Weiss (1876)