Pleistocene Speciation in North American Lichenized Fungi and the Impact of Alternative Species Circumscriptions and Rates of Molecular Evolution on Divergence Estimates

• Steven D. Leavitt ,

  * E-mail: sleavitt@fieldmuseum.org

  Affiliations Committee on Evolutionary Biology, University of Chicago, Chicago, Illinois, United States of America, Science & Education, The Field Museum, Chicago, Illinois, United States of America, Department of Biology and M. L. Bean Life Science Museum, Brigham Young University, Provo, Utah, United States of America

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• H. Thorsten Lumbsch,

  Affiliation Science & Education, The Field Museum, Chicago, Illinois, United States of America

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• Soili Stenroos,

  Affiliation Botanical Museum, Finnish Museum of Natural History, University of Helsinki, Helsinki, Finland

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• Larry L. St. Clair

  Affiliation Department of Biology and M. L. Bean Life Science Museum, Brigham Young University, Provo, Utah, United States of America

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