Sagittaria latifolia (broadleaf arrowhead, duck potato), an aquatic plant native to North and South America.
Orogenia spp. (now in Lomatium), a terrestrial plant native to western North America;
Apios americana (American potato-bean), a terrestrial plant native to eastern North America;
broadleaf arrowhead (Sagittaria latifolia)
arum-leaved arrowhead (Sagittaria cuneata)