Yellowcress

Close up of yellowcress flowers in the process of budding.

Yellowcress has branched stems with elongated or sword/oval shaped leaves. Flowers grow on the same branches as leaves and have four bright yellow petals.

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Yellow Flag

Small group of yellow flag along the water.

Yellow flag has tall leaves, three to four feet, that arch at the upper parts and come to a point. Yellow flowers are big and showy, with many on each stem.

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Northern Wild Rice

Northern wild rice groups growing in shallow water.

Northern wild rice has tall reed like stems, ribbon like leaves that float, and branching flowers with yellow to deep red fruits (edible grains).

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Annual Wild Rice

Annual wild rice in a field.

Annual wild rice has tall thick stems, large strap like leaves, branching flowers up to two feet long, and yellow or reddish fruits (edible grains).

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Watercress

Watercress over water.

Watercress stems and leaves are medium green. Young leaves are simple while mature leaves are compound with three to 11 leaflets.

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Water Wisteria

Close up of water wisteria in a group.

This aquarium plant can be completely submersed or emerge from the surface. Water wisteria has fern like stems and light green leaves.

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Water Spinach

Water spinach in large group covering water.

Water spinach is a trailing vine with milky sap. Alternate leaves are usually arrowhead shaped and grow to seven inches long with pointed tips.

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Water Clover

Water clover group floating on water.

Water clover is a type of fern that looks like a four-leaf clover. Two toned leaves have four lobes that may be above or below the water’s surface.

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Turtleweed

Turtleweed in group in front of a lake.

Turtleweed forms large colonies and looks shrub like. Pale green leaves are thin and curl slightly. Turtleweed has a strong odor.

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Sweetflag

Close up of sweet flag flower.

Sweetflag leaves grow in clusters from horizontal underground stems. Simple leaves are bright green and up to six feet long.

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Spotted Water Hemlock

Spotted water hemlock in a forest.

Clusters of tiny white flowers grow atop this poisonous plant. Spotted water hemlock grows two to six feet tall and has compound leaves.

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Smooth Waterhyssop

Close up of smooth waterhyssop flowers and leaves.

Smooth waterhyssop has many branches with bright green leaves that are succulent and thick. Small white flowers can be tinged with blue or pink.

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Swamp Smartweed

Swamp smartweed in a field.

Swamp smartweed has sword shaped leaves and small flowers that grow in clusters at the ends of branches. Flowers are greenish white with pink tips.

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Reed Mannagrass

Reed mannagrass in a field.

Reed mannagrass has light green stems that can be more than eight feet tall. Rough leaves are angled out of the stem and grow nearly two inches wide.

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Reed Canarygrass

Reed canarygrass in a field.

Reed canarygrass has tall round stems with alternate leaves that are tapered. Straw colored seed heads grow at the tops of the stems.

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Pond Sedges

Pond sedge in groups growing out of the water.

Pond sedges grow six inches to four feet tall. Leaves have pointed tips and sometimes bend over. Flower spikelets grow in a spiral and are usually brown.

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Panic Grass

Large cluster of panic grass.

Grass like leaves are linear and flat or folded, growing two to six feet tall. Branching flowers grow in clusters and look brownish.

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Mud Plantain

Mud plantain in the water.

Mud plantain’s stems and leaves emerge; leaves are sword or egg shaped and leathery. Flowers have five thin petals and are usually purplish blue.

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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.

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