Large Yellow Pond or Water Lily: Spatter-dock.
Nymphaea advena. Water Lily Family. May - Sept.
Found in shallow, stagnant water. Nova Scotia to Gulf States, west to Rocky Mountains.
Yellow, more or less tinged with green and purple, 6 unequal divisions; flowers borne erect on thick stems.
Large, deeply cleft at the base, floating.
Yellow Pond Lily.