University of Wisconsin Sea Grant.
Texas A&M AgriLife Extension.
University of Wisconsin - Madison.
Michigan Department of Agriculture and Rural Development.
Michigan Department of Natural Resources.
Louisiana State University Agricultural Center. Research and Extension.
New York City Department of Health.
University of Tennessee Extension.
Texas State University System.
Invasive Plants Association of Wisconsin.
Wisconsin Department of Natural Resources.
Michigan Emerging Disease Issues.
Michigan's Invasive Species Program.
New York Invasive Species Clearinghouse.