Journal
MYCOLOGIA
Volume 115, Issue 1, Pages 122-134Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/00275514.2022.2146978
Keywords
Hymenochaetales; Lyomyces; Peniophora cymosa; phylogeny; Xylodon; 4 new taxa
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Lagarobasidium cymosum is a rare corticioid species with distinct morphology compared to other Lagarobasidium species. Molecular and morphological information indicate that the traditional concept of L. cymosum includes at least three species, and Lagarobasidium calongei is reclassified.
Lagarobasidium cymosum is a rare corticioid species with characteristic morphology different from other Lagarobasidium species. We used nuc 5.8S rDNA, nuc 28S rDNA, and mt 12S rDNA loci to infer the phylogenetic position of L. cymosum. Our analyses suggest that it belongs to Xylodon but is not closely related to any of the other taxa referred to Lagarobasidium. Molecular and morphological information shows that the traditional concept of L. cymosum covers at least three species: Xylodon acuminatus from the Neotropics, X. cymosus from North America, and X. subtilissimus distributed in both Europe and North America. Lagarobasidium calongei is transferred to Xylodon, and DNA barcodes for Lyomyces incrustatus and Xylodon hjortstamii are published for the first time.
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