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 ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaf shapes play an important role in tree identification, providing key ...

Plant biologists are facing pressure to quantify the response of plants to changing environments and to breed plants that can respond to such changes. One method of monitoring the response of plants ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Hickory trees have a leaf with less than nine leaflets and an alternate leaf ...