Lichenogr. Thomsoniana, North American Lichenology in Honor of John W. Thomson (Ithaca): 357 (1998). Type locality: USA, West Virginia, on twigs of Picea rubens, M. E. Hale, Lich. Amer. Exs. 68 (NY - holotype).
Type locality: USA, West Virginia, on twigs of Picea rubens, M. E. Hale, Lich. Amer. Exs. 68 (NY - holotype).