HEATKEYS

VT Forest Biology and Dendrology offers tree identification, growth, and physiology information.

The Natural Resources Conservation Service is the Federal agency that works in partnership with the American people to conserve and sustain natural resources on private lands.

U.S. National Park Service - Experience Your America

National Environmental Education Week (EE Week) is the largest organized environmental education event in the United States.

The College of Agriculture and Life Sciences at North Carolina State University

Herbarium: The University and Jepson Herbaria of the University of California, Berkeley