Trying to identify poison ivy? If you don't feel confident basing identification solely on the leaves, you're in luck, if you can wait till the berries ripen.
Photo of the white berries of poison ivy.
A distinguishing trait of poison ivy, taken in conjunction with the other identifying characteristics discussed in the present photo gallery, is the color of its mature berries. When they ripen (in late summer to early fall), they turn from a pale green to a whitish color.