| A unit of Lasting Forests
evolving since March 30, 1999 |
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A Total Forest Management Plan
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Poison Ivy (in some areas called poison oak, partially due to leaf type, not sub-species difference) is a valuable wildlife plant and soil protector. It provides hiding and nesting cover and, on some mature vines and stalks, the white pea-sized fruit consumed by birds can be abundant. The common name and scientific name (Rhus toxicodendron) both warn of its poisonous nature to some people. A severe skin allergy to all parts of the plant affects many people. As in other allergies, personal response to it can vary. People insensitive to it may one day develop severe cases, typically , skin inflamation, skin blisters, and itching. Professional wildlife resource workers can be endangered as they count plants in plots to monitor the faunal space conditions and as they analyze food habits of animals. The crops of birds may contain the fruits or seeds. People analyzing the rumen or intestinal contents of deer and other large animals have been severely affected. Forest- and brush-fire smoke containing microscopic particles of the plant can cause life-threatening effects in the lungs of people who are allergic to poison ivy.
It can be a threat to backyard wildlife resource project workers. Ecotourism managers must give it special attention (education, provention, skin protection and special washes, and eradication in some areas). Avoidance, clothing protection, use of bentoquatam-containing substances(found in some deodorants) for protection, washing, then treatment are all suggestions. Treatment by a doctor may be necessary and may include use of steroids.
If exposed, clean the oil off of the skin using cold water. Also use rubbing alcohol to clean the skin, then pat dry or air dry so as not to spread any remaining oils. Use calamine lotion or soak skin patches in cool water with 1/2 cup of baking soda.
At the following site, choose Nature, then MDC flora, then Poison Ivy.
See www.state.mo.us/conservation/index.shtml
See the site of the American Academy of Dermatology at www.aad.org
Also see forest fires, food habits, ecotourism, recreation, and safety and security.
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This Web site is maintained by R. H.
Giles, Jr.
Last revision January 17, 2000.