The rhyme "leaves of three, let it be" could describe a lot of plants, so you have to know what to look for to identify poison ivy, poison oak and poison sumac.

Oak apple galls are attached to the oak leaf as round light-green balls up to 2 inches in diameter and house a single wasp larva. They often have a mottled maroon pattern on the surface.

A single large pin oak tree can rain down up to 400,000 oak leaf itch mites per day. Oak mites can live through the winter in protected areas or within leaves/leaf litter on the ground.

Oak leaf itch mite bite symptoms: How to treat and prevent mite bites. Getting bitten by an oak leaf itch mite can cause skin reactions. Symptoms include intense itchy rashes that are painful to ...

A northern red oak leaf with its characteristic bristles. Photo by Will Parson/Chesapeake Bay Program Will Parson Acorns . You can identify red oak vs white oak trees by studying their acorns. White ...

Each poison ivy leaf has three leaflets. Poison oak closely resembles poison ivy, ... An allergy to a poison plant is diagnosed based on the typical pattern of symptoms and the appearance of the rash.

Like poison ivy, its leaves have a alternate leaf pattern, and can grow as a shrub, bush or vine. In the spring, poison oak's leaves appear shiny with reddish or green colors that can curl inward.