A first phylogenetic assessment of Dictyonema s.lat. in southeastern North America reveals three new basidiolichens, described in honor of James D. Lawrey
 
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1
Department of Botany, Smithsonian Institution, National Museum of Natural History, 10th St & Constitution Ave NW, Washington, DC, 20560, USA
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Research Associate, Botanical Research Institute of Texas, Fort Worth, TX, 76107, USA
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Digitization Coordinator, McGuire Center for Lepidoptera and Biodiversity, Florida Museum of Natural History, University of Florida, Gainesville, FL 32611, USA
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Dept of Biology, Boise State University, 1910 University Ave, Boise ID, 83725
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Canadian Museum of Nature, Research and Collections, PO Box 3443, Station D, Ottawa, ON, K1P 6P4, Canada
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Laboratório de Botânica / Liquenologia, Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Avenida Costa e Silva s/n, Bairro Universitário, CEP 79070-900, Campo Grande, MS, Brazil.
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Botanical Garden and Botanical Museum Berlin, Königin-Luise-Straße 6–8, 14195 Berlin, Germany
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Research Associate, Science & Education, The Field Museum, 1400 South Lake Shore, Chicago, IL, 60605, USA
Publication date: 2019-12-16
 
Plant and Fungal Systematics 2019; 64(2): 383–392
 
ABSTRACT
Three species of lichenized basidiomycetes in the Dictyonema clade from southeastern North America are described as new to science: Cyphellostereum georgianum, C. jamesianum and Dictyonema lawreyi, all with a crustose-filamentous growth form. Based on ITS sequences, the species form well-supported monophyletic clades in a phylogeny and are represented by at least two specimens each. They are also distinguishable by morphological and anatomical characters. These new findings emphasize the importance of lichenological studies in North America, especially in historically understudied taxonomic groups, such as basidiolichens. This study is dedicated to James D. Lawrey on the occasion of his 70th birthday.
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ISSN:2544-7459