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Home > Plants, Pests & Pest Control > Pest Management > Noxious & Invasive Weed Program > Eliminate Target Plants > Survey > 2014 Survey

2014 Survey Results of Target Plant Infestations


Oriental bittersweet

MDA surveyed 2800 acres in Red Wing, 5006 acres in Winona, and 2000 acres in Stillwater infested with the vine. The infestations range from single vines to dense, destructive stands on both public and private lands.

Grecian foxglove

MDA surveyed over 3000 acres infested with the plant near the communities of Afton and Stillwater. The infestations range from single plants along roadsides to very dense stands on both private and public lands.

Dalmatian toadflax

MDA, in collaboration with Minnesota Department of Transportation, Kittson County, and Cook County Invasive Team, surveyed 150 acres in Kittson and Cook counties. The infestations range from single plants along roadsides to scattered pockets in grasslands, pastures, and gravel pit edges on both public and private lands.

Cutleaf teasel

MDA, in collaboration with Minnesota Departments of Transportation and Natural Resources, surveyed 65 acres infested with the plant in Houston County. The infestations range from single plants along roadsides to dense stands on both public and private lands.

Japanese hops

MDA, in collaboration with DNR, CCM, and MNDOT, surveyed 101 miles of the Root River and 44 miles of the Root River State Trail in Fillmore and Houston counties. It is estimated that 162 acres of riverbank along the Root River are infested with Japanese hops.