The calicioid lichens and fungi of the Acadian Forest Ecoregion of northeastern North America, I. New species and range extensions

Three new species, Chaenotheca erkahomattiorum, Chaenothecopsis dibbleandersoniarum and C. marcineae are described from Maine, Nova Scotia, New Brunswick and Quebec, in the Acadian Forest Ecoregion of northeastern North America. In addition, Calicium pinastri and Chaenothecopsis amurensis are reported for the first time in North America, and Calicium adaequatum, Chaenothecopsis asperopoda, C. tsugae, C. ussuriensis, Sclerophora amabilis and S. farinacea are reported as new to eastern North America. Keys for identifying white-pruinose and epruinose species of Chaenotheca in North America, and the species of Chaenothecopsis in the Acadian Forest Ecoregion are also included.