Learn how to identify aquatic invasive species including Eurasian watermilfoil, zebra mussels, starry stonewort, red swamp crayfish, invasive Phragmites, and many more in this informative, photo-filled book. This guide includes common native lookalike species for each of the included invasive species, a built-in ruler, and information on what to do if you think you've found an invasive species. It is printed in full color on durable, waterproof paper.

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