Leafy Pondweed
Leafy pondweed has thread like branching stems. Submersed leaves are green to bronze, thin, and linear. Brown flowers grow in clusters.
Read MoreHorned Pondweed
Horned pondweed roots, stems, and leaves are all long and thread like. It has tiny single flowers in May or June. The seeds are horn shaped.
Read MoreWaterthread Pondweed
Waterthread pondweed’s stems are thread like. Submersed leaves are thin and straight. Floating leaves are leathery with a rounded base.
Read MoreVariable Leaf Pondweed
Variable leaf pondweed’s submersed pointy leaves grow more than five inches long. Floating leaves can be almost three inches long with longer leaf stalks.
Read MoreRibbonleaf Pondweed
Ribbonleaf pondweed’s submersed leaves are floppy and bright green to reddish. They grow two to 10 inches long and nearly a half inch wide.
Read MoreVariable Leaf Watermilfoil
Variable leaf watermilfoil has thick reddish stems and can have submersed and emersed leaves that are feathery, limp, and deeply divided.
Read MoreIndian Swampweed
Indian swampweed has compound leaves with opposite leaflets that can be emersed or submersed and are broader at the tip. This plant is uncommon.
Read MoreDuck Lettuce
Young duck lettuce leaves are linear and become oblong, oval, or heart shaped as they mature. Some flowers stand above the surface with white petals.
Read MoreFlowering Rush
Flowering rush can be submersed or emersed and has round stems that can grow up to four feet tall. Clusters of pink flowers grow on a single stalk.
Read MoreFloating Leaf Pondweed
Floating leaf pondweed has long, narrow, stiff submersed leaves and two to four inch long floating leaves on long stalks.
Read MoreRobbin’s Pondweed
Robbin’s pondweed has thick and coarse submersed leaves with a prominent yellow vein in the middle.
Read MoreWhite Stem Pondweed
White stem pondweed has a zig zag stem that is sparingly branched. Alternately arranged wavy green leaves have a yellow midvein and no floating leaves.
Read MoreLarge Leaf Pondweed
Large leaf pondweed has long, wide floating leaves that curl away from the stem.
Read MoreIllinois Pondweed
Illinois Pondweed has lance shaped submerged leaves eight inches long that come to a point at the end.
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