The Bull Head Water Lily (Nymphaeaceae Nuphar variegatum)
Another of our common aquatic plants (see, Pickerel Weed and Hat pins). The Bull Head Water Lily has a distinctive, yellow, cup-like flower, "which appear at a little distance like balls of gold floating on the still waters." The flowers, about 2" wide, have six petal-like sepals and numerous small, yellow, stamen-like petals; with in, are numerous stamens and pistils. The leaves: anywhere from 3"-15", and, of course, floating; heart shaped with V-shaped notch at base.