The Nags Head Woods complex (Outer Banks, Dare County, North Carolina) boasts the best remaining example of the exceedingly rare, mid-Atlantic maritime deciduous forest. Nags Head also includes an extensive system of open dunes, evergreen forest, interdunal ponds, swamps, and marshes. This manual documents the rich flora of Nags Head Woods and includes species identification keys, descriptions, and illustrations. Also included are notes on phenology, habitat, and broader distribution, as well as herbarium specimen citations and important literature reports. The history of important collectors and collections dates from 1898.