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By: Roberts, S P M - Cooper, Laura S. - Stewart, Leslie J. - Newberry, Clayton C. - St. Clair, Larry L.Type: ArticleIn: Lichenographia Thomsoniana : North American lichenology in honor of John W. ThomsonVolume:Series:Issue:Date: 1998Page Range: 309--314Publication Info: Ithaca, NY, Mycotaxon, Ltd, 1998Subjects: