Gary Carson a central Lakes College http://www.clcmn.edu natural resources instructor shows poison Ivy. With a former student and entrepreneur MN Backyard Birds' Judd Brink http://www.mnbackyardbirds.com .
Toxicodendron radicans,

Mille Lacs Kathio State Park near Onamia MN.

From 2007 National Outdoors Day - State park open house

Video by Nathan Steffenson http://www.natesservice.info