; Sp. Pl.: 989 (1753)
Distribution: subtropical and temperate regions, few tropics. Many worldwide escaped as weeds. Phylogeny: Waselkov et al. 2018; Revision: Bayon et al. 2015
= Acanthochiton Torr.; Sitgr. Rep. 170. t. 13 (1853)
= Acnida L.; Diss. Chen. 32 (1750) (Am. acad. 3: 19)
= Albersia Kunth; Fl. Berol. ed. II. 2: 144 (1838)
= Amarantellus Speg.; Com. Mus. Buenos Aires 1 10: 343 (1901)
= Amblogyna Raf.; Fl. Tellur. 3: 42 (1836)
= Bajan Adans.; Fam. 2: 506 (1763)
= Blitum Heist. ex Fabr.; Enum.: 198 (1759), nom. illeg.
= Blitum Scop.; Fl. Carniol., ed. 2, 2: 237 (1771), nom. illeg.
= Dimeiandra Raf.; Neogenyt. 2 (1825)
= Dimeianthus Raf.; Fl. Tellur. 3: 41 (1836)
= Euxolus Raf.; Fl. Tellur. 3: 42 (1836)
= Galliaria Bubani; Fl. Pyren. 1: 184 (1897)
= Glomeraria Cav.; Desc. 319 (1802)
= Goerziella Urb.; Repert. Spec. Nov. Regni Veg. 20: 301 (1924)
= Mengea Schauer; Nov. Act. Nat. Cur. 19: Suppl. 1: (1843) 405 (Pl. Meyen.)
= Montelia A.Gray; Man. Bot. N. U. St. ed. II. 369 (1856)
= Pentrius Raf.; Fl. Tellur. 3: 42 (1836)
= Pyxidium Moench ex Montandon; Friche-Joset, Syn. Fl. Jura: 260 (1856)
= Roemeria Moench; Methodus 341 (1794)
= Sarratia Moq.; Prodr. [A. DC.] 13(2): 233, 268 (1849)
= Scleropus Schrad.; Index Sem. Hort. Götting. (1835)