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Emending Gymnopus sect. Gymnopus (Agaricales, Omphalotaceae) by including two new species from southern China

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Li, JP, Antonin, V, Gates, G, Jiang, L, Li, TH, Li, Y, Song, B and Deng, CY 2022 , 'Emending Gymnopus sect. Gymnopus (Agaricales, Omphalotaceae) by including two new species from southern China' , MycoKeys, vol. 87 , pp. 183-204 , doi: 10.3897/mycokeys.87.76125.

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Abstract

Based on phylogenetic analyses, some newly studied Chinese mushroom specimens were found to represent two distinct species within the genus Gymnopus. Along with G. fusipes (sect. Gymnopus) they form a distinct clade with high support, although their macromorphological characters seem to be closer to members of Gymnopus sect. Levipedes or sect. Vestipedes (Collybiopsis). When examined in detail, their micromorphological characters, especially the type of pileipellis, support them as new members of G. sect. Gymnopus. Therefore, two new species, G. omphalinoides and G. schizophyllus, and the emended circumscription of sect. Gymnopus are proposed in this paper. Detailed morphological descriptions, colour photos, illustrations of the two new species, morphological comparisons with similar taxa and the molecular-phylogenetic analyses of the combined nrITS and nrLSU data are presented. A key to the known species of G. sect. Gymnopus is also presented.

Item Type: Article
Authors/Creators:Li, JP and Antonin, V and Gates, G and Jiang, L and Li, TH and Li, Y and Song, B and Deng, CY
Keywords: fungi, taxonomy, new species, morphology, new taxa, phylogeny
Journal or Publication Title: MycoKeys
Publisher: Pensoft Publishers
ISSN: 1314-4057
DOI / ID Number: 10.3897/mycokeys.87.76125
Copyright Information:

Copyright Ji-Peng Li et al. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0) License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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