Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies Biota "neomura" Domain Eukaryota Chatton, 1925 - eukaryotes "neokaryotes" - mitochondrial eukaryotes "neozoa" Superkingdom Corticata Lankester, 1878 Kingdom Plantae Haeckel (1866) - plants Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants Infrakingdom Streptophyta C. Jeffrey (1967) Superphylum Embryophyta "polysporangiophytes" Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998) - vascular plants Subphylum Euphyllophytina Infraphylum "Radiatopses" Kenrick & Crane (1997) "lignophytes" Class Spermatopsida "core seed plants" Subclass Magnoliidae Novák ex Takht. (1967) - angiosperms "core angiosperms" "eudicots" "core eudicots" Superorder Rosanae Takht. (1967) "fabids" Order Fabales Bromhead (1838) 1 Family Quillajaceae D. Don (1831) 2 Family Leguminosae Juss. (1789) - legumes 3 Family Surianaceae Arn. (1834), nom. cons. 4 Family Polygalaceae Hoffmanns. & Link (1809) - milkwort family