Two new studies on the environmental impact of transgenic American chestnut trees provide evidence that the trees have no harmful effects on germinating seeds, beneficial fungi, or larval frogs that ...

Leaves: Deciduous; oppositely arranged; palmately compound leaves; 5 obovate leaflets with lobed, serrate margins. Twigs and buds: Glabrous; stout; reddish-brown; have prominent horse-shoe-shaped 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 ...

Cameraria ohridella, an invasive moth species, has emerged as a significant pest affecting horse chestnut trees (Aesculus hippocastanum) across Europe. The larvae of this leaf miner penetrate and feed ...

The fall foliage season is sweeping through New Hampshire, causing residents and leaf-peepers to appreciate anew the forests in the state. The colors of the season are a function of forest health, and ...

The American chestnut was all but destroyed by fungal blight and logged as settlements spread west when the United States was settled by Europeans. But lately, it’s making a comeback. Endangered for ...

A little knowledge of botany can be helpful, even if you’re an amateur gardener. Here are a few things you should know about what happens in the fall. By Margaret Roach What’s going on out there — and ...