$modus 0: smartphone
$modus 1: smartphone
Callitriche heterophylla
Callitriche heterophylla Pursh [Accepted]
Callitrichaceae
2 180931 Callitriche heterophylla Pursh
Helen Sharp, Water-color Sketches Amer. Pl.: (1888-1910) [Helen Sharp]
Callitriche heterophylla Pursh
D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 512 (1972) [unsigned]