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Knotweed! familiarizes you (like it or not) with one of the world's 100 worst invasive plant species, Japanese knotweed. The other three knotweed species (including the hybrid) are also covered in-depth. The app provides photos and annotated identification slides throughout the seasons to educate users about this seemingly unstoppable plant. Included is a section on the devastating impacts of knotweed on your home (be sure to check out the image of it growing through the foundation of a home-yikes) and in the natural environment. The management section provides guidance on controlling it should you have the misfortune of finding it on your property, as well as Dos and Don'ts when dealing with these plants.​

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