Pulverulina, a New Genus of Agaricales for Clitocybe ulmicola

P. Brandon Matheny; Karen W. Hughes; Jacob Kalichman; Renée Lebeuf

doi:10.1656/058.019.0301

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P. Brandon Matheny,^1,* Karen W. Hughes,¹ Jacob Kalichman,¹ Renée Lebeuf²

¹Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, TN 37996-1610.
²Saint-Casimir, QC G0A 3L0, Canada.

^*Corresponding author - pmatheny@utk.edu.

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.

Citation Download Citation

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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