Plant Map and Pictures of Poison Ivy
What does Poison Ivy Look Like?
Poison ivy grows throughout much of North America, including all Canadian provinces except Newfoundland (and the Territories) and all U.S. States except Alaska, Oregon, Hawaii and California. The plants grow as a shrub up to about 4 feet tall as a groundcover, and as a climbing vine. Poison ivy has almond shaped leaflets in a color ranging from a light to dark green and turn red in the fall. The plant produces berries that are grayish-white in color.
Poison Ivy Distribution By State
©Greene and L.Kuntze @ PLANTS Database
What Does Poison Oak Look Like?
Poison oak is found along the Pacific Coast of North America including Washington, Oregon and California. There is also Atlantic poison oak which grows in the southeastern United States. It grows as a dense shrub in open sunlight or as a climbing vine in shaded areas. Poison oak has three leaflets with scalloped edges resembling the leaves of a true oak and can be bronze, bright green, yellow-green or reddish depending on the season. The plant produces greenish-white or tan berries.
Poison Oak Distribution By State

©(Torr & A.Gray)Greene @ PLANTS Database
What Does Poison Sumac Look Like?
Poison Sumac grows exclusively in very wet or flooded soils, typically in swamps and peat bogs, in the eastern United States and as far west as Idaho and Canada. The plant has compound leaves containing 7-13 leaflets, and the veins are always red. Poison sumac grows as a shrub and produces a small white or grey berry.
Poison Sumac Distribution By State
©L. Kuntze @ PLANTS Database