Distribution. Southeastern North America; in North Carolina found in the Coastal Plain ecoregion.
Tripp, E.A., J.C. Lendemer & R.C. Harris (2010) Resolving the genus Graphina Müll. Arg. in North America: new species, new combinations, and treatments for Acanthothecis, Carbacanthographis, and Diorygma. Lichenologist42(1): 55-71.
Tuckerman, E. (1888) A synopsis of the North American lichens. Part. II. Comprising the Lecideacei, and (in part) the Graphidacei. New Bedford, Mass. 176 pp (original description as Graphis poitaeoides).