organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Eukaryota Chatton, 1925 - eukaryotes Kingdom Plantae Haeckel (1866) - plants Subkingdom Viridaeplantae Cavalier-Sm. (1981) - green plants see [unranked] Viridiplantae Cavalier-Smith, 1981 Land plants Phylum Lycophyta - lycophytes see Infraphylum Lycophytae (auct.) Cavalier-Sm. (1998) Class Lycopsida - club-mosses see Class Lycopodiopsida Bartl. (1830) Order Isoetales Prantl (1874) - quillworts see Order Isoëtales Prantl (1874) Family Isoetaceae Rchb. (1828) see Family Isoëtaceae Rchb. (1828)