The following are pictures of poison ivy. Poison ivy has fully leafed out now in Delaware.
Poison Ivy leaves. Note the middle leaflet of has an extended stalk and leaflets are in a group of 3. Photo by Richard Old, XID Services, Inc., Bugwood.org.
Poison Ivy foliage. Photo by David J. Moorhead, University of Georgia, Bugwood.org.
Poison Ivy vine. Photo from the Ohio State Weed Lab Archive, The Ohio State University, Bugwood.org.