Elodea Michx.

1 species naturalized Aust.; NSW, Vic., Tas., WA

*Elodea canadensis Rich.

Submerged, aquatic herb. Leaves sessile in whorls of 3 or rarely 4, dark green, oblong-lanceolate, up to 10 mm long, c. 3 mm wide, serrulate. Flowers c. 5 mm diam., floating, green-purple, dioecious. Found in deep water. Introd. from N. America. Canadian Pondweed