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Author: search.filters.author.Halling, Roy E.Subject: search.filters.subject.Boletes

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    Item type:Publication,
    New porcini (Boletus sect. Boletus) from Australia and Thailand
    (2014-01-01)
    Halling, Roy E.
    ;
    Desjardin, Dennis E.
    ;
    Fechner, Nigel
    ;
    Arora, David
    ;
    Soytong, Kasem
    Boletus albobrunnescens and B. austroedulis are described as new species in section Boletus from Thailand and Australia respectively. The former is easily characterized by the pure white basidiomata that stain brown. Boletus austroedulis has a graybrown, slightly rugulose pileus with hymeniform pileipellis producing pileocystidia, and the stipe is only apically reticulate if at all. These new species represent ancient lineages inferred from prior molecular phylogenetic analyses. © 2014 by The Mycological Society of America.
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    Item type:Publication,
    Sutorius: A new genus for Boletus eximius
    (2012-01-01)
    Halling, Roy E.
    ;
    Nuhn, Mitchell
    ;
    Fechner, Nigel A.
    ;
    Osmundson, Todd W.
    ;
    Soytong, Kasem
    Sutorius is described as a new genus of Boletaceae to accommodate Boletus robustus originally named illegitimately by C.C. Frost from eastern North America. The legitimate name, Boletus eximius, provided by C.H. Peck, has been used since for a dark purple to chocolate brown bolete with finely scaly stipe and reddish brown spore deposit. This iconic taxon has been documented on five continents. Despite the straightforward species identification from morphology, the interpretation of stipe macromorphology and spore color has led to equivocal generic placement. Phylogenetic analyses of genes encoding large subunit rRNA and translation elongation factor 1a confirm Sutorius as a unique generic lineage in the Boletaceae. Two species are recognized based on multiple accessions: S. eximius, represented by collections from North America, Costa Rica, Guyana, Indonesia and Japan (molecular data are lacking for only the Guyanan and Japanese material); and S. australiensis, represented by material from Queensland, Australia. Additional collections from Zambia and Thailand represent independent lineages, but sampling is insufficient to describe new species for these entities. © 2012 by The Mycological Society of America.