Identify your trees quickly and easily using this interactive key. Simply select the options that match your tree and in a few short steps you'll know what you're looking at. Keys are simple tools ...

Then, if you want to branch out and learn to identify even more trees, just check out NYC Street Tree Guide! You’ll become a celebri-tree in no time. The shape of every NYC tree leaf falls into one of ...

Over 25,000 tree identification guides have been downloaded from the OPAL website – making it OPAL’s most downloaded resource. "The OPAL Tree Health Survey helped individuals to actively engage in ...

Trees and shrubs of California by John Stuart and John Sawyer. This book combines the trees and shrubs of California in one accessible field guide. (order) Conifers of California by Ronald Lanner ...

Sugar maples, red maples, and Norway maples can all be found in our parks, and there are other tree species, like sweetgums, that sometimes look just like maples, too. Use this handy guide to tell ...