Steven D Leavitt

Summary

Affiliation: The Field Museum
Country: USA

Publications

  1. pmc 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
    Committee on Evolutionary Biology, University of Chicago, Chicago, Illinois, United States of America Science and 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
    PLoS ONE 8:e85240. 2013
  2. doi request reprint Multilocus phylogeny of the lichen-forming fungal genus Melanohalea (Parmeliaceae, Ascomycota): insights on diversity, distributions, and a comparison of species tree and concatenated topologies
    Steven D Leavitt
    Department of Botany, Field Museum of Natural History, 1400 S Lake Shore Dr, Chicago, IL 60605 2496, USA
    Mol Phylogenet Evol 66:138-52. 2013
  3. pmc Miocene and Pliocene dominated diversification of the lichen-forming fungal genus Melanohalea (Parmeliaceae, Ascomycota) and Pleistocene population expansions
    Steven D Leavitt
    The Field Museum, Department of Botany, Chicago, IL 60605, USA
    BMC Evol Biol 12:176. 2012
  4. doi request reprint Species delimitation and evolution in morphologically and chemically diverse communities of the lichen-forming genus Xanthoparmelia (Parmeliaceae, Ascomycota) in western North America
    Steven D Leavitt
    Department of Biology and the M L Bean Life Science Museum, 401 WIDB, Brigham Young University, Provo, Utah 84602, USA
    Am J Bot 98:175-88. 2011
  5. doi request reprint Complex patterns of speciation in cosmopolitan "rock posy" lichens--discovering and delimiting cryptic fungal species in the lichen-forming Rhizoplaca melanophthalma species-complex (Lecanoraceae, Ascomycota)
    Steven D Leavitt
    Department of Biology and M L Bean Life Science Museum, Brigham Young University, Provo, UT 84602, USA
    Mol Phylogenet Evol 59:587-602. 2011
  6. doi request reprint Species delimitation in taxonomically difficult lichen-forming fungi: an example from morphologically and chemically diverse Xanthoparmelia (Parmeliaceae) in North America
    Steven D Leavitt
    Department of Biology and M L Bean Life Science Museum, Brigham Young University, 401 WIDB, Provo, UT 84602, USA
    Mol Phylogenet Evol 60:317-32. 2011
  7. doi request reprint Neogene-dominated diversification in neotropical montane lichens: dating divergence events in the lichen-forming fungal genus Oropogon (Parmeliaceae)
    Steven D Leavitt
    The Field Museum, Department of Botany, 1400 S Lake Shore Drive, Chicago, Illinois 60605, USA eldmuseum org
    Am J Bot 99:1764-77. 2012

Detail Information

Publications7

  1. pmc 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
    Committee on Evolutionary Biology, University of Chicago, Chicago, Illinois, United States of America Science and 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
    PLoS ONE 8:e85240. 2013
    ..Our study highlights the potential impact of ambiguous species circumscriptions and uncertain rates of molecular evolution on estimating divergence times within a multilocus species tree framework. ..
  2. doi request reprint Multilocus phylogeny of the lichen-forming fungal genus Melanohalea (Parmeliaceae, Ascomycota): insights on diversity, distributions, and a comparison of species tree and concatenated topologies
    Steven D Leavitt
    Department of Botany, Field Museum of Natural History, 1400 S Lake Shore Dr, Chicago, IL 60605 2496, USA
    Mol Phylogenet Evol 66:138-52. 2013
    ....
  3. pmc Miocene and Pliocene dominated diversification of the lichen-forming fungal genus Melanohalea (Parmeliaceae, Ascomycota) and Pleistocene population expansions
    Steven D Leavitt
    The Field Museum, Department of Botany, Chicago, IL 60605, USA
    BMC Evol Biol 12:176. 2012
    ....
  4. doi request reprint Species delimitation and evolution in morphologically and chemically diverse communities of the lichen-forming genus Xanthoparmelia (Parmeliaceae, Ascomycota) in western North America
    Steven D Leavitt
    Department of Biology and the M L Bean Life Science Museum, 401 WIDB, Brigham Young University, Provo, Utah 84602, USA
    Am J Bot 98:175-88. 2011
    ..The foliose lichen genus Xanthoparmelia includes over 800 species displaying a complex array of morphological and secondary metabolite diversity...
  5. doi request reprint Complex patterns of speciation in cosmopolitan "rock posy" lichens--discovering and delimiting cryptic fungal species in the lichen-forming Rhizoplaca melanophthalma species-complex (Lecanoraceae, Ascomycota)
    Steven D Leavitt
    Department of Biology and M L Bean Life Science Museum, Brigham Young University, Provo, UT 84602, USA
    Mol Phylogenet Evol 59:587-602. 2011
    ....
  6. doi request reprint Species delimitation in taxonomically difficult lichen-forming fungi: an example from morphologically and chemically diverse Xanthoparmelia (Parmeliaceae) in North America
    Steven D Leavitt
    Department of Biology and M L Bean Life Science Museum, Brigham Young University, 401 WIDB, Provo, UT 84602, USA
    Mol Phylogenet Evol 60:317-32. 2011
    ..These results call for a major taxonomic revision of Xanthoparmelia species in western North America...
  7. doi request reprint Neogene-dominated diversification in neotropical montane lichens: dating divergence events in the lichen-forming fungal genus Oropogon (Parmeliaceae)
    Steven D Leavitt
    The Field Museum, Department of Botany, 1400 S Lake Shore Drive, Chicago, Illinois 60605, USA eldmuseum org
    Am J Bot 99:1764-77. 2012
    ..Here, we address the timing of diversification in the neotropical lichenized fungal genus Oropogon (Ascomycota) and assess traditional species boundaries...