Great Lakes Water Life Photo Gallery
Algae
Diatoms
Placoneis spp.

University of Michigan

Additional Photos
Bowling Green State University
California Academy of Sciences

7 Great Lakes Species (including named varieties): P. clementioides, P. clementis, P. dicephala, P. elginensis, P. exigua, P. gastrum, P. placentula, P. placentula fo. rostrata

Profile:University of Michigan

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