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Title:Fomitopsis mounceae and F. schrenkii—two new species from North America in the F. pinicola complex 
Authors:Haight, J-E; Nakasone, KK; Laursen, GA; Redhead, SA; Taylor, DE; Glaeser, JA 
Year:2019 
Journal:
 
Volume:111 
Issue:2 
First page:339 
Last page:357 
Keywords:Basidiomycota; brown rot; Fomes pinicola; Fomitopsidaceae; 2 new taxa 
Abstract:Two new species, Fomitopsis mounceae and F. schrenkii (Polyporales, Basidiomycota) in the F. pinicola species complex in North America, are described and illustrated. Previous molecular phylogenetic analyses identified three well-delimited lineages that represent F. mounceae and F. ochracea from Canada, the Appalachian Mountains, and the northern United States and F. schrenkii from western and southwestern regions of the United States. Fomitopsis pinicola sensu stricto is restricted to Eurasia and does not occur in North America. Morphological descrip- tions of basidiocarps and cultures for F. mounceae, F. schrenkii, and F. ochracea are presented. The three species are readily differentiated by nuc rDNA internal transcribed spacer (ITS1-5.8S-ITS2 = ITS) sequence, geographic distribution, and basidiospore size. Polyporus ponderosus H. Schrenk is an earlier illegitimate synonym of F. schrenkii. Both F. mounceae and F. schrenkii have a heterothallic multiallelic incompatibility system. 
Associated taxa:
 
Summary:Haight, J-E; Nakasone, KK; Laursen, GA; Redhead, SA; Taylor, DE; Glaeser, JA. 2019. Fomitopsis mounceae and F. schrenkii—two new species from North America in the F. pinicola complex. Mycologia. 111(2):339-357