$modus 0: smartphone
$modus 1: smartphone
Potamogeton clystocarpus
Potamogeton clystocarpus Fernald [Accepted]
Potamogetonaceae Potamogetonoideae
Potamogeton clystocarpus Fernald
D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 37 (1972) [unsigned]