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Agarophyton vermiculophyllum

null

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Salvelinus namaycush

Courtesy of iCom, artist unknown

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Potamogeton crispus

U.S. Agricultural Research Service 1971

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Pylodictis olivaris

Eric Engbretson, U.S. Fish and Wildlife Service

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Carex divisa

Stefan Lefnaer

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Oncorhynchus mykiss

NOAA Photo Library

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Cyprinus carpio

USFWS National Image Library

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Namanereis littoralis

Pettibone, Marian H. 1953. Smithsonian Institution

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Actinocleidus fergusoni

Contact Monaca Noble to contribute, noblem@si.edu

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Corbicula fluminea

Image courtesy of United States Geological Survey, via Wikimedia Commons public domain license.

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