living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925 Kingdom Plantae Haeckel (1866) - plants Subkingdom Embryobionta Cronquist, Takht. & W.Zimm. Division Equisetophyta D.H.Scott (1900) see Phylum Equisetophyta D.H.Scott (1900) Subdivision Equisetopsida Agardh (1825) see Class Sphenopsida Order Equisetales DC. ex Bercht. & J.Presl (1829) Family Equisetaceae Michx. ex DC. (1804) - horsetails Genus Equisetum L. (1753) Equisetum myriochaetum Schltdl. & Cham. (1830)