Abstract
A new species of agaricomycetes, Clitopilus lampangensis, is described based on collections from northern Thailand. This species was distinguished from previously described Clitopilus species by its pale yellow to grayish yellow pileus with the presence of wider caulocystidia. Molecular phylogenetic analyses, based on the data of the internal transcribed spacers (ITS) and the large subunit (LSU) of the nuclear ribosomal DNA, and the second largest subunit of RNA polymerase II (rbp2) genes, also support the finding that C. lampangensis is distinct from other species within the genus Clitopilus. A full description, color photographs, illustrations and a phylogenetic tree showing the position of C. lampangensis are provided.
Highlights
The genus Clitopilus was proposed by Kummer (1987) with C. prunulus (Scop.) P
The GTR model with gamma rate heterogeneity and invariant sites (GTR+G+I) was the best-fit model used for both maximum likelihood (ML) and Bayesian inference (BI) analyses that were selected by Akaike information criterion (AIC)
The present study has identified a new species of Clitopilus acquired from northern Thailand based on both morphological characteristics and phylogenetic analyses
Summary
The genus Clitopilus was proposed by Kummer (1987) with C. prunulus (Scop.) P. It belongs to the family Entolomataceae of the order Agaricales. Jaturong Kumla et al / MycoKeys 58: 69–82 (2019)
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