Bacopa crenata (P.Beauv.) Hepper [family SCROPHULARIACEAE], in K.B. 14: 407 (1960) & in F.W.T.A. ed. 2, 2: 359 (1963); Philcox in F.Z.: 8(2): 49 (1990); Fischer, F.A.C. Scrophulariaceae: 28, pl. 7 (1999). Type: Nigeria, without locality, P. Beauvois s.n. (G!, holo.)
Herpestis crenata P.Beauv. [family SCROPHULARIACEAE], Fl. Oware 2: 83, t. 112 (1819)
Herpestis calycina Benth. [family SCROPHULARIACEAE], in Hook., Comp. Bot. Mag. 2: 57 (1836). Types: Senegambia, Guillemin 12 (K!, syn.); Senegal, Leprieur 214 (K!, syn.)
Bacopa calycina (Benth.) De Wild. [family SCROPHULARIACEAE], in Bull. Herb. Boiss. 1: 832 (1901)
Bacopa monniera [family SCROPHULARIACEAE], [sensu Engl. in P.O.A. C.: 357 (1895)]