Posts Tagged: allergens

Poison Oak: Not Just a Summer Problem

Campers and hikers are often warned to avoid poison oak in summer by looking out for green plants with glossy leaflets of three. However, as weather cools, the appearance of the plant changes, making it more difficult to identify.   In fall,...

Colorful display of poison oak. (Credit: Anne McTavish)

Colorful display of poison oak in fall. (Credit: Anne McTavish)

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