Leafy Pondweed

Isolated close up of leafy pondweed on white background.

Leafy pondweed has thread like branching stems. Submersed leaves are green to bronze, thin, and linear. Brown flowers grow in clusters.

Read More

Horned Pondweed

Horned pondweed floating in a cluster at the surface of the water.

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 More

Waterthread Pondweed

Isolated close up of waterthread pondweed on white background.

Waterthread pondweed’s stems are thread like. Submersed leaves are thin and straight. Floating leaves are leathery with a rounded base.

Read More

Variable Leaf Pondweed

Close up of variable leaf pondweed floating on water.

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 More

Ribbonleaf Pondweed

Close up of ribbonleaf pondweed from above.

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 More

Widgeon Grass

Mat of widgeon grass floating at the surface of the water.

Widgeon grass has thin branched stems and sharp pointed leaves that are thread like. Flower spikes can emerge slightly and are brown to yellow.

Read More

Duck Lettuce

Duck lettuce floating in water with leaves and two flowers.

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 More

Brittle Naiad

Isolated brittle naiad on white background.

Brittle naiad has dark green leaves with serrated edges. Leaves grow two-tenths of an inch long. Flowers can grow to three-fourths of an inch.

Read More

Flowering Rush

Flowering rush flowers, some buds, some open, some spent on a single plant.

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 More

Small Pondweed

Close up of small pondweed.

Small pondweed produces only submersed leaves that are light green and nearly three inches long and less than a quarter inch wide.

Read More

American Pondweed

American pondweed close in small cluster.

American Pondweed has elliptical shaped floating leaves that are green and often have brown spots.

Read More

Floating Leaf Pondweed

Floating leaf pondweed with flower spikes close up on top of the water.

Floating leaf pondweed has long, narrow, stiff submersed leaves and two to four inch long floating leaves on long stalks.

Read More

Sago Pondweed

Isolated close up of sago pondweed.

Sago pondweed has many thread like submersed leaves that alternate and grow up to six inches long with a sharp point on the end.

Read More

Robbin’s Pondweed

Isolated Robbin's pondweed in front of white background.

Robbin’s pondweed has thick and coarse submersed leaves with a prominent yellow vein in the middle.

Read More

White Stem Pondweed

White stem pondweed close up.

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 More

Bladderwort

Bladderwort plants in dirty water.

Bladderwort has yellow flowers and small bladders attached to the leaf like branches, which are alternately arranged.

Read More

Water Buttercup

Cluster of water buttercup flowers.

Water Buttercup has showy white or yellow flowers during the summer months and has finely divided leaves.

Read More