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A multi-gene phylogeny of Chlorophyllum (Agaricaceae, Basidiomycota): new species, new combination and infrageneric classification

Zai-Wei GeKey Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, ChinaAdriaana JacobsNational Collection of Fungi, Biosystematics Division, ARC, Plant Health and Protection, Queenswood 9012, Pretoria, South AfricaElse C. Vellinga111 Koshland Hall 3102, University of California at Berkeley, Berkeley, California 94720-3102, USAPhongeun SysouphanthongEcology Division, Biotechnology and Ecology Institute, Ministry of Science and Technology, P.O.Box: 2279, Vientiane Capital, Lao PDRRetha van der WaltNational Collection of Fungi, Biosystematics Division, ARC, Plant Health and Protection, Queenswood 9012, Pretoria, South AfricaCarmine LavoratoC/da Calamia 10 - I-87069 San Demetrio Corone (CS), ItalyYi-Feng AnKey Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, ChinaZhu L. YangKey Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China

2018en

ABI

Annotatsiya

Taxonomic and phylogenetic studies of Chlorophyllum were carried out on the basis of morphological differences and molecular phylogenetic analyses. Based on the phylogeny inferred from the internal transcribed spacer (ITS), the partial large subunit nuclear ribosomal DNA (nrLSU), the second largest subunit of RNA polymerase II ( rpb2 ) and translation elongation factor 1-α ( tef1 ) sequences, six well-supported clades and 17 phylogenetic species are recognised. Within this phylogenetic framework and considering the diagnostic morphological characters, two new species, C.africanum and C.palaeotropicum , are described. In addition, a new infrageneric classification of Chlorophyllum is proposed, in which the genus is divided into six sections. One new combination is also made. This study provides a robust basis for a more detailed investigation of diversity and biogeography of Chlorophyllum .

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DOI: 10.3897/mycokeys.32.23831

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