Sugar Maple

Image used for IIS -- Instant Imaging System project of John Kress

Image used for IIS -- Instant Imaging System project of John Kress

Trees as good citizens. Washington, D.C.American Tree Association[1922] biodiversitylibrary.org/page/20256674

Trees as good citizens. Washington, D.C.American Tree Association[1922] biodiversitylibrary.org/page/20256705

Trees as good citizens. Washington, D.C.American Tree Association[1922] biodiversitylibrary.org/page/20256785

Familiar trees and their leaves New York D. Appleton 1911 biodiversitylibrary.org/page/17024444

Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.

Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory.

W.D. Brush. Provided by National Agricultural Library. United States, District of Columbia, Washington.

W.D. Brush. Provided by National Agricultural Library. United States, Maryland.

W.D. Brush. Provided by National Agricultural Library. United States, Maryland.

W.D. Brush. Provided by National Agricultural Library. United States, Maryland.