If the leaves are crushed ... NPS said that its flowers are white or yellowish in color and have five petals. Highly ...

Try one of these chemical-free methods to get rid of the pesky plant. If you’ve ever gone hiking, you’ve probably heard the warning, “Leaves of three, let it be.” Poison ivy, Toxicodendron ...

There are a number of plants to avoid in Delaware. Here's how to identify the big three – poison ivy, oak and sumac.

On Molokai, rubber vine escaped cultivation to take over acres of forest in Kamalo. Twenty years later, crews still return to pull up any tiny seedlings and keep this plant under control.