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14 July 2020 Pulverulina, a New Genus of Agaricales for Clitocybe ulmicola
P. Brandon Matheny, Karen W. Hughes, Jacob Kalichman, Renée Lebeuf
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Abstract

A new genus, Pulverulina, is described to accommodate the monotypic lineage Clitocybe ulmicola in the Porotheleaceae. Pulverulina ulmicola is characterized by small, clitocyboid, pileate-stipitate basidiomata with a tough, pruinose stipe; distant decurrent lamellae; smooth inamyloid basidiospores; long, abundant caulocystidia; interwoven lamellar trama, and lignicolous habit on bark of living trees. A taxonomic description and illustrations are provided together with molecular phylogenetic analysis of 14 genera of Porotheleaceae. One new taxon and 3 new combinations are proposed: Pulverulina gen. nov. and Pulverulina ulmicola comb. nov., Hydropus rugosodiscus comb. nov., and Leucoinocybe auricoma comb. nov.

P. Brandon Matheny, Karen W. Hughes, Jacob Kalichman, and Renée Lebeuf "Pulverulina, a New Genus of Agaricales for Clitocybe ulmicola," Southeastern Naturalist 19(3), 447-459, (14 July 2020). https://doi.org/10.1656/058.019.0301
Published: 14 July 2020
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