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Esox lucius

Courtesy of iCom, artist unknown

Species Profile
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Coregonus artedi

NOAA Photo Library

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Portulaca oleracea

U.S. Agricultural Research Xervice 1971

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Tussilago farfara

null

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Hippoporina indica

Judy Winston, SEM Scan

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Galerucella calmariensis

L. T. Kok, Virginia Technical Institute, Blacksburg, VA

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Potamogeton crispus

U.S. Agricultural Research Service 1971

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Dorosoma petenense

Anonymous

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Phragmites australis

Hitchcock and Chase 1950, U.S. Department of Agriculture

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Dreissena polymorpha

D. Jude, University of Michigan

Species Profile