This is a pretty cool tool for mapping/inventorying of invasive plant (and animal) populations, if you haven’t seen it.
http://www.eddmaps.org/distribution/
Jana Butts Roberson, AICP
Land Use Administrator
Town of Brooklyn, CT
(860)779-3411
Brooklyn Town Hall
4 Wolf Den Rd. PO Box 356
Brooklyn, CT 06234
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