Veronica americana Schwein. ex Benth.
D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 700 e-g (1972) [M. Barnas-Pomeroy]
D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 700 e-g (1972) [M. Barnas-Pomeroy]