Our il.rated, step-by-step process makes it easy to identify a tree simply by the kinds Begin identifying your tree by choosing the appropriate region below..Identification of trees and shrubs. How to start. Start by choosing one of the six main plant feature categories. When you click on a category icon, a set of .Woody plants. Trees, shrubs, sub-shrubs, and lianas. Key Characteristics The outer tissues of the stems are thickened; most have bark and winter buds during .Identifying a plant more simply, just giving it a name is often the first step in knowing more about the plant . . . perhaps understanding how it relates to other .