This report details the evaluation of the urban tree resources of the north-central Great Plains region of the United States. Specifi cally this report provides a more comprehensive understanding of the species composition and structural and functional benefi ts of the urban forests in the states of Kansas (33.1 million urban trees), Nebraska (13.3 million urban trees), North Dakota (975,000 urban trees), and South Dakota (5.4 million urban trees). Information on the structure and functions of the urban forest can be used to inform urban forest management programs and to integrate urban forests within plans to improve environmental quality throughout the Great Plains region. The results are reported for each state and may be accessed at: http: //www.nrs.fs.fed.us/data/urban