Etymology: Myriophyllum: from Greek myrios, "numberless," and phyllon, "leaf," alluding to the many divisions of the submerged leaves of these aquatic plants
Plants: perennial, submersed aquatic, flowers and fruit from submersed leaf axils
Leaves: closely-spaced, scattered, some alternate, short-stalked; finely, pinnately-divided into less than 14 pairs of leaflets
Flowers: 4-parted, with winter buds
Fruits: 4-parted nutlet divided by 2 bumpy ridges
Habitat: shallows, water to 7' deep; in fine sediment soil
Conservation Status: Native

Floristic Rating: Coefficient of Conservatism = 8, Wetland Indicator = OBL USDA Plants Database: Federal Distribution and detailed information including photos