; Sp. Pl. [Linnaeus] 2: 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.; Rep. Exped. Zuni & Colorado Rivers [Sitgreave] 170. t. 13 (1853)
= Acnida L.; Diss. Chen. 32 (1750) (Am. acad. 3: 19)
= Albersia Kunth; Fl. Berol. [Kunth, 1838] 2: 144 (1838)
= Amarantellus Speg.; Comun. Mus. Nac. Buenos Aires 1(10): 343 (1901)
= Amblogyna Raf.; Fl. Tellur. 3: 42 (1836)
= Bajan Adans.; Fam. Pl. [Adanson] 2: 506 (1763)
= Blitum Heist. ex Fabr.; Enum. [Fabricius] 198 (1759), nom. illeg.
= Blitum Scop.; Fl. Carniol., ed. 2, 2: 237 (1771), nom. illeg.
= Dimeiandra Raf.; Neogenyton 2 (1825)
= Dimeianthus Raf.; Fl. Tellur. 3: 41 (1836)
= Euxolus Raf.; Fl. Tellur. 3: 42 (1836)
= Galliaria Bubani; Fl. Pyren. [Bubani] 1: 184 (1897)
= Glomeraria Cav.; Descr. Pl. [Cavanilles] 319 (1802)
= Goerziella Urb.; Repert. Spec. Nov. Regni Veg. 20: 301 (1924)
= Mengea Schauer; Nov. Actorum Acad. Caes. Leop.-Carol. German. Nat. Cur. 19, Suppl. 1: (1843) 405 (Pl. Meyen.)
= Montelia A.Gray; Manual [A.Gray], ed. 2: 369 (1856)
= Pentrius Raf.; Fl. Tellur. 3: 42 (1836)
= Pyxidium Moench ex Montandon; Syn. Fl. Jura 260 (1856)
= Roemeria Moench; Methodus [Moench] 341 (1794)
= Sarratia Moq.; Prodr. [A.P. de Candolle] 13(2): 233, 268 (1849)
= Scleropus Schrad.; Index Sem. (Göttingen) (1835)