Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] "neomura" Cavalier-Smith 1987 Domain Eukaryota Chatton, 1925 - eukaryotes neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes neozoa Cavalier-Smith 1993 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 Caryophyllanae Takht. (1967) Order Caryophyllalesᵀ Juss. ex Bercht. & J. Presl (1820) Family Caryophyllaceaeᵀ Juss. (1789) - pink family Subfamily Alsinoideae Tribe Alsineaeᵀ Lam. & DC. (1806) Genus Sagina L. (1753) Sagina apetala Ard. (1764) - annual pearlwort Sagina maritima G. Don - sea pearlwort Sagina nodosa (L.) Fenzl - knotted pearlwort Sagina procumbensᵀ L. - birdeye pearlwort Sagina subulata (Swartz) C. Presl - awl-leaf pearlwort