| http://www.w3.org/ns/prov#value | - It is a woody vine that is well known for its ability to produce urushiol, a skin irritant that causes an itching rash for most people, technically known as urushiol-induced contact dermatitis.ContentsPoison Ivy grows throughout much of North America, including all Canadian provinces except Newfoundland (and the Territories) and all U.S. states except Alaska, Hawaii, and California (which instead
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