University of Tennessee, Knoxville TRACE: Tennessee Research and Creative Exchange Faculty Publications and Other Works -- Ecology and Evolutionary Biology Ecology and Evolutionary Biology 2010 A new genus to accommodate Gymnopus acervatus (Agaricales) Karen Hughes University of Tennessee - Knoxville David A. Mather Ronald H. Peterson Follow this and additional works at: https://trace.tennessee.edu/utk_ecolpubs Part of the Population Biology Commons Recommended Citation Hughes, Karen; Mather, David A.; and Peterson, Ronald H., "A new genus to accommodate Gymnopus acervatus (Agaricales)" (2010). Faculty Publications and Other Works -- Ecology and Evolutionary Biology. https://trace.tennessee.edu/utk_ecolpubs/9 This Article is brought to you for free and open access by the Ecology and Evolutionary Biology at TRACE: Tennessee Research and Creative Exchange. It has been accepted for inclusion in Faculty Publications and Other Works -- Ecology and Evolutionary Biology by an authorized administrator of TRACE: Tennessee Research and Creative Exchange. For more information, please contact
[email protected]. Mycologia, 102(6), 2010, pp. 1463–1478. DOI: 10.3852/09-318 # 2010 by The Mycological Society of America, Lawrence, KS 66044-8897 A new genus to accommodate Gymnopus acervatus (Agaricales) Karen W. Hughes1 eastern North America and western Europe. In David A. Mather traditional morphology-based systematic treatments Ronald H. Petersen of Agaricales (more recently known as euagarics) Ecology and Evolutionary Biology, University of Agaricus acervatus Fries has been among species Tennessee, Knoxville, Tennessee 37996-1100 considered ‘‘collybioid’’. Once Fries (1836:92) recog- nized segregate genera from Agaricus, A. acervatus was accepted as belonging in subg. Levipedes of Abstract: Phylogenies based on ITS and LSU nrDNA Collybia.Ku¨hner and Romagnesi (1953) included sequences show Agaricus (Gymnopus) acervatus as M.