= Ambulia psilosa Raf.; Autik. Bot. 44 (1840), Pennell in Torreya 22: 79 (1922)
= Capraria gratioloides L.; Syst. Nat., ed. 10, 2: 1117 (1759), nom. superfl.
= Gratiola anagallidea Michx.; Fl. Bor.-Amer. [Michaux] 1: 6-7 (1803)
= Gratiola attenuata (Muhl. ex Elliott) Spreng.; Syst. Veg., ed. 16 [Sprengel] 1: 39 (1824)
= Gratiola dilatata Muhl.Cat. ex Spreng.; Syst. Veg., ed. 16 [Sprengel] 1: 39 (1824)
= Gratiola domingensis C.F.Gaertn.; Suppl. Carp. 3: 189 (1807)
= Gratiola dubia L.; Sp. Pl. [Linnaeus] 1: 17 (1753)
= Gratiola inaequalis Walter; Fl. Carol. [Walter] 61 (1788)
= Gratiola riparia Raf. ex Benth.; Prodr. [A.P. de Candolle] 10: 419 (1846), nom. inval.
= Gratiola tetragona Elliott; Sketch Bot. S. Carolina [Elliott] 1: 15 (1816)
= Herpestis callitrichoides Kunth; Nov. Gen. Sp. [H.B.K.] 2: 567 (1818)
= Hornemannia goodeniifolia (Hornem.) Hoffmanns.; Verz. Pfl.-Kult. 234 (1824)
= Ilysanthes anagallidea (Michx.) Raf.; Autik. Bot. 46 (1840), Pennell, in Torreya 22: 80 (1922)
= Ilysanthes attenuata (Muhl. ex Elliott) Small; Bull. Torrey Bot. Club 23: 297 (1896)
= Ilysanthes brevipes Raf.; Autik. Bot. 45 (1840)
= Ilysanthes dilatata Raf.; Autik. Bot. 46 (1840)
= Ilysanthes dilatata Raf. ex Benth.; Prodr. [A.P. de Candolle] 10: 419 (1846)
= Ilysanthes dubia (L.) Barnhart; Bull. Torrey Bot. Club 376 (1899)
= Ilysanthes dubia var. inundata Pennell; Torreya 19: 149 (1919)
= Ilysanthes geniculata Raf.; Autik. Bot. 45 (1840)
= Ilysanthes gratioloides (L.) Benth.; Prodr. [A.P. de Candolle] 10: 419 (1846), nom. illeg.
= Ilysanthes gratioloides var. curtipedicellata Bush; Bull. Torrey Bot. Club 21: 494 (1894)
= Ilysanthes gratioloides var. depressa Suksd.; W. Amer. Sci. 15: 61 (1906)
= Ilysanthes inaequalis (Walter) Pennell; Torreya 19: 149 (1919)
= Ilysanthes riparia Raf.; Ann. Nat. 13 (1820)
= Limnophila dubia (L.) M.R.Almeida; Fl. Maharashtra 3B: 393 (2001), nom. illeg.
= Lindernia anagallidea (Michx.) Pennell; Monogr. Acad. Nat. Sci. Philadelphia 1: 152 (1935)
= Lindernia attenuata Muhl. ex Elliott; Sketch Bot. S. Carolina [Elliott] 1: 17 (1816)
= Lindernia dilatata Muhl. ex Elliott; Sketch Bot. S. Carolina [Elliott] 1: 16 (1816)
= Lindernia dilatata var. anagallidea Muhl.; Cat. Pl. Amer. Sept. 59 (1813)
= Lindernia dubia subsp. major (Pursh) Pennell; Monogr. Acad. Nat. Sci. Philadelphia 1: 146 (1935)
= Lindernia dubia var. anagallidea (Michx.) Cooperr.; Castanea 41(3): 224 (1976)
= Lindernia dubia var. inundata (Pennell) Pennell; Monogr. Acad. Nat. Sci. Philadelphia 1: 151 (1935)
= Lindernia dubia var. major (Pursh) Pennell; Monogr. Acad. Nat. Sci. Philadelphia 1: 146 (1935)
= Lindernia dubia var. riparia (Raf.) Fernald; Rhodora 44: 444 (1942)
= Lindernia gratioloides J.Lloyd & Foucaud; Fl. Ouest France, ed. 4: 246 (1886)
= Lindernia macrantha Rouy; Fl. France [Rouy & Foucaud] 11: 96 (1909)
= Lindernia nelliyampathiensis Sunil, Jaleel & Ratheesh; Int. J. Advanced Res. 2(3): 136 (2014)
= Lindernia neocaledonica S.Moore; J. Linn. Soc., Bot. 45: 372 (1921)
= Lindernia pyxidaria L.; Mant. Pl. 2: 252 (1771), nom. illeg.
= Lindernia pyxidaria Pursh; Fl. Amer. Sept. [Pursh] 2: 419 (1813)
= Lindernia pyxidaria subsp. gratioloides (J.Lloyd) Bonnier & Layens; Tabl. Syn. Pl. Vasc. France 234 (1894)
= Lindernia pyxidaria var. major Pursh; Fl. Amer. Sept. [Pursh] 2: 419 (1813)