Native Aquatic Plants
Egeria densa (Brazilian left), Elodea canadensis (Native, right)
Native elodea is small, viewed in cross-section about the size of a dime, (whereas Brazilian elodea is about the size of a 50 cent piece).
Native elodea has leaves arranged in whorls of three. (Brazilian elodea has leaves arranged in whorls of four to six.)
Native elodea is found in nearly every lake and river in Washington.