We've all heard the classic saying "leaves of three, let it be," which means don't touch the poison ivy. But just how accurate is that timeless phrase? While this specific mnemonic device exists to ...

Fossil plants reveal the evolution of green life on Earth, but the most abundant samples that are found—fossil leaves—are also the most challenging to identify. A large, open-access visual leaf ...

The spiky, iconic Canadian maple leaf. A large, lush Florida palm leaf. Thin aspen leaves rustling in the crisp Colorado air. You can probably recall many different leaf shapes from many different ...

Information about the noxious weed, curly-leaf pondweed. Curly-leaf pondweed is also known by its Latin name, Potamogeton crispus. Curly-leaf pondweed is a non-regulated Class C noxious weed. This ...

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