Managing - Identifying Aquatic Plants Illinois

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PDF 4 pages 9 aquatic weed types by Mike Roegge, Crops Systems Educator, University of Illinois Extension, Adams/Brown Unit Sean Evans, (former) Crop Systems Educator, University of Illinois Extension, Macomb Center

The presence of aquatic plants in ponds and lakes offer both advantages and disadvantages for pond owners and pond inhabitants. Being green plant material, those plants that reside at or below the water surface contribute oxygen to the pond. Aquatic plants are beneficial to many fish and aquatic invertebrates because they can serve as both habitat and a source of food. Therefore, a certain amount of aquatic plants are considered beneficial and essential for a healthy pond. However, excessive plant growth can create problems by directly interfering with the uses of the pond by humans as well as reducing the diversity of the aquatic community. Fishermen become frustrated when lures become tangled in weed growth. Swimming can become less enjoyable or is curtailed due to ?green scum? floating over a majority of the pond. Furthermore, a single aggressive aquatic species may displace other living organisms reducing the number of plant and animal species that can reside within that body of water. In many situations, management is required to reduce infestations of aquatic plants.

Managing Aquatic Plants

Algae
Duckweed
Watermeal
Cattail
Spatterdock
Creeping water primrose
American elodea
Eurasian watermilfoil
Pondweeds

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Regions Impacted: (See related documents in region) USA, Great Lakes, Middle West, MidWest, MidWestern, Northeastern

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