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850 Health Hazards in Construction
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Poisonous Plants

Poison Ivy

If you are working in a wooded area, you want to be on the lookout for poison ivy. Here are a few things to remember about poison ivy.

  • Eastern poison ivy is typically a hairy, ropelike vine with three shiny green (or red in the fall) leaves budding from one small stem.
  • Western poison ivy is typically a low shrub with three leaves that do not form a climbing vine. May have yellow or green flowers and white to green-yellow or amber berries.
Poison Ivy
Picture of poison ivy leaf

Poison Oak

Poison Oak
Image of poison oak

Poison oak is usually a shrub with leaves of three, similar to poison ivy. Here are some other components of poison oak:

  • Pacific poison oak may be vine-like.
  • It may have yellow or green flowers and clusters of green-yellow or white berries.

Knowledge Check Choose the best answer for the question.

3-8. When should you be on the lookout for poison ivy?