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| | Poison Oak Rash, Poison Ivy Rash Information (Site not responding. Last check: 2007-10-16) |
 | | Poison oak (Rhus diversiloba), poison ivy (Rhus toxicodendron L.), and poison sumac (Rhus toxicodendron V.) emit the poisonous, oily irritant urushiol (pronounced oo-roo-she-all) on the plants'; stem, roots, branches and leaves. |
 | | Poison oak, poison ivy, poison sumac and other members of the Rhus family grow in all portions of the North American continent (except Nevada, Alaska, and Hawaii) at elevations below 4,000 feet with a rainfall above eight inches per year. |
 | | Be especially careful of dead poison oak and poison ivy vines on firewood and leafless vines in the winter. |
| www.teclabsinc.com /faq_oaknivy.asp (1003 words) |
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