There are more than 870 native and naturalized species eligible for the National Register of Big Trees. American Forests has based this list on resources such as the USDA Plants Database and the Integrated Taxonomic Information System (ITIS). Please note that native Hawaiian species are now recognized. For more information on eligibility, click here.
Cannot find a match? If you are looking for a tree species that is not eligible for the National Register of Big Trees, but would like to add a species for consideration, please nominate a tree species here.