$modus 0: smartphone
$modus 1: smartphone
Vallisneria americana
Vallisneria americana Michx. [Accepted]
Hydrocharitaceae
2 1050246 Vallisneria americana Michx.
P.C. Standley, J.A. Steyermark, Fl. Guatemala, vol. 1 : p. 87, fig. 20 (1946-1977)
Vallisneria americana Michx.
D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 72 (1972) [R.K. Godfrey]