; Sp. Pl. [Linnaeus] 1: 433 (1753)
= Acetosella Möhring ex Kuntze; Revis. Gen. Pl. 1: 90 (1891)
= Bolboxalis Small; N. Amer. Fl. [Britton et al., eds.] 35: 27 (1907)
= Caudoxalis Small; Bahama Fl. [Britton & Millspaugh] 198 (1920)
= Ceratoxalis Lunell; Amer. Midl. Naturalist 4: 468 (1916)
= Eichleria Progel; Fl. Bras. [Martius] 12(2): 518 (1877)
= Hesperoxalis Small; N. Amer. Fl. [Britton et al., eds.] 25: 26 (1907)
= Ionoxalis Small; Fl. S.E. U.S. [Small] 665 (1903)
= Lotoxalis Small; Fl. S.E. U.S. [Small] 666 (1903)
= Monoxalis Small; Fl. S.E. U.S. [Small] 665 (1903)
= Otoxalis Small; N. Amer. Fl. [Britton et al., eds.] 25: 27 (1907)
= Oxys Mill.; Gard. Dict. Abr., ed. 4: s. p. (1754)
= Pseudoxalis Rose; Contr. U.S. Natl. Herb. 10: 116 (1906)
= Sassia Molina; Sag. Stor. Nat. Chili 145 (1782)
= Trifoliada Rojas Acosta; Cat. Hist. Nat. Corrientes 155 (1897)
= Xanthoxalis Small; Fl. S.E. U.S. [Small] 666 (1903)