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Cleveland Metroparks detected the "most noxious aquatic weed in the U.S." Hydrilla verticillata within the Lake Erie Basin in 2011.

Our goal is to map the distribution and abundance of Hydrilla verticillata.

All positive observations are also listed on the Early Detection and Distribution Mapping System, ...more ↓

Mini mjwarman created this project on November 02, 2016

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