Re: Iris pseudacorus


 

West Virginia Dept. of Natural Resources prepared a report six months
ago. 500 non-native plants are listed as invasive. 7% of those are
ranked as highly invasive (the worst possible ranking). Iris
pseudacorus is in that category.

http://www.wvdnr.gov/WVISSP%20for%20public%20comment%209-16-14.pdf



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