Poison Ivy
Toxicodendron rydbergii (Small ex Rydb.) Greene

Toxicodendron rydbergii, known as western poison ivy, is a member of the Anacardiaceae family and is native to North America. It is known for causing urushiol-induced contact dermatitis.
Description
Toxicodendron rydbergii, western poison ivy, is a species in the Anacardiaceae family. It is native to North America and is recognized for its ability to cause urushiol-induced contact dermatitis. The species was published in 1905 and is found in regions such as Vermont, Alberta, Arizona, British Columbia, and others across the United States and Canada.
Other common names
Poison IvyRydberg'S Poison-IvyWestern Poison Ivy
Distribution
Vermont-US · Alberta · Arizona · British Columbia · Connecticut · Idaho · Illinois · Indiana · Iowa · Kansas · Maine · Manitoba · Maryland · Massachusetts · Mexico Northeast · Mexico Northwest · Michigan · Minnesota · Montana · Nebraska · Nevada · New Brunswick · New Hampshire · New Jersey · New Mexico · New York · North Carolina · North Dakota · Nova Scotia · Ohio
Synonyms
Toxicodendron longipesToxicodendron pumilumToxicodendron punctatumToxicodendron macrocarpumToxicodendron fothergilloidesToxicodendron desertorumToxicodendron rufescensRhus toxicodendron var. rydbergiiToxicodendron radicans subsp. rydbergiiRhus rydbergiiRhus radicans var. rydbergiiToxicodendron radicans var. rydbergiiRhus radicans var. vulgarisRhus radicans subsp. rydbergiiRhus toxicodendron var. vulgaris




