Sean O'Brien, from the UNH Cooperative Extension, takes a look at how beech leaf disease spreads and the signs to help you ...

Heather Faubert has spent decades working with Rhode Island farmers and landowners to diagnose and manage pests damaging their plants. But when she responded to a call from a concerned resident in ...

All tree leaves have an outer layer called the epidermis, which can also be used in the identification process. This leaf "skin" always has a waxy cover called the cuticle and varies in thickness.