Professional foresters are employed for their advanced skills developed during years of experience after receiving a degree from an accredited University. In addition to developing forest management plans and supervising timber harvests, professional foresters can also help with non-harvest questions that include estate appraisals, tax basis determination, advice about forest property assistance programs, and managing a forest for wildlife and outdoor recreation.
Here is a resource designed to help you with identifying a tree and the types of common tree species that exist in the United States. By using a tree's anatomy and species physiology you can identify a tree while collecting and observing leaves, cones, flowers, bark and fruit - in both summer and winter. Mapping a tree's habitat or range can eliminate many similar looking different trees.