organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Kingdom Plantae Haeckel (1866) - plants Phylum Sphenophyta see Infraphylum Sphenophytae (auct.) Cavalier-Sm. (1998) Genus Equisetum L. (1753) Equisetum hiemale see Equisetum hyemale L.