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Keywords = sect. Levipedes

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17 pages, 2443 KiB  
Article
Species Diversity of Gymnopus Section Levipedes in Southwestern China, with a Description of Three New Species
by Wei-Chao Feng, Xiao-Yan Li, Yang-Yang Cui and Qing Cai
J. Fungi 2025, 11(2), 88; https://doi.org/10.3390/jof11020088 - 23 Jan 2025
Viewed by 1038
Abstract
Species of Gymnopus sect. Levipedes are challenging to delimitate due to the morphological similarity among different taxa. In this study, morphological characteristics, molecular phylogenetic data, and ecological traits were integrated to investigate the species diversity of this section of southwestern China. A total [...] Read more.
Species of Gymnopus sect. Levipedes are challenging to delimitate due to the morphological similarity among different taxa. In this study, morphological characteristics, molecular phylogenetic data, and ecological traits were integrated to investigate the species diversity of this section of southwestern China. A total of 17 species were documented in the region, including three new species, namely G. sinobrevipes, G. flavoalbus, G. yunnanensis, and two species new to the studied area—G. bicolor and G. ocior. Detailed descriptions and illustrations of the three new species are presented, along with comparisons to closely related or morphologically similar species. The remaining species included five that were originally described from southwestern China, four that were first identified from Europe, two from the Republic of Korea, and one from North America. Six of these species, originally described outside of China, currently lack molecular evidence to support their distributions in southwestern China. Finally, 11 species with morphological and molecular evidence were recognized in southwestern China. A key to these species is also provided. Full article
(This article belongs to the Section Fungal Evolution, Biodiversity and Systematics)
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17 pages, 4511 KiB  
Article
Morpho-Molecular Evidence Reveals Four Novel Species of Gymnopus (Agaricales, Omphalotaceae) from China
by Ji-Peng Li, Mei-Chen Pan, Yi Li, Chun-Ying Deng, Xiao-Min Wang, Bang-Xi Zhang, Chang-Tian Li and Yu Li
J. Fungi 2022, 8(4), 398; https://doi.org/10.3390/jof8040398 - 13 Apr 2022
Cited by 7 | Viewed by 3379
Abstract
Nine collections of gymnopoid fungi were studied based on morpho-molecular characteristics. The macromorphology was made according to the photograph of fresh basidiomata and field notes, while the micromorphology was examined via an optical microscope. Simultaneously, the phylogenetic analyses were performed by maximum likelihood [...] Read more.
Nine collections of gymnopoid fungi were studied based on morpho-molecular characteristics. The macromorphology was made according to the photograph of fresh basidiomata and field notes, while the micromorphology was examined via an optical microscope. Simultaneously, the phylogenetic analyses were performed by maximum likelihood and Bayesian inference methods based on a combined dataset of nrITS1-nr5.8S-nrITS2-nrLSU sequences. Integrated analysis of these results was therefore, G. efibulatus belonging to sect. Androsacei, G. iodes and G. sinopolyphyllus belonging to sect. Impudicae and G. strigosipes belonging to sect. Levipedes are proposed as new to science. The detailed descriptions, colour photos of basidiomata and line-drawings of microscopic structures are provided. The comparisons with closely related species and a key to known species of Gymnopus s. str. reported with morpho-molecular evidence in China is also given. Full article
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27 pages, 31676 KiB  
Article
Morphological and Molecular Evidence Reveal Eight New Species of Gymnopus from Northeast China
by Jiajun Hu, Guiping Zhao, Yonglan Tuo, Gu Rao, Zhenhao Zhang, Zhengxiang Qi, Lei Yue, Yajie Liu, Tong Zhang, Yu Li and Bo Zhang
J. Fungi 2022, 8(4), 349; https://doi.org/10.3390/jof8040349 - 28 Mar 2022
Cited by 21 | Viewed by 4061
Abstract
Gymnopus is a widely distributed genus consisting of about 300 species thus far, including Gymnopus fusipes as a generic type. A total of nine species from China belong to the sect. Levipedes, including eight new species—Gymnopus longisterigmaticus, Gymnopus  [...] Read more.
Gymnopus is a widely distributed genus consisting of about 300 species thus far, including Gymnopus fusipes as a generic type. A total of nine species from China belong to the sect. Levipedes, including eight new species—Gymnopus longisterigmaticus, Gymnopus longus, Gymnopus macrosporus, Gymnopus striatus, Gymnopus changbaiensis, Gymnopus tomentosus, Gymnopus tiliicola, and Gymnopus globulosus—which were delimited and proposed based on morphological and molecular evidence; and one new record from Jilin Province, China—Gymnopus erythropus. Detailed descriptions and illustrations are presented, as well as comparisons to similar species. Overall, our results broaden the morphological characterization of the genus. The pileipellis of sect. Levipedes typically takes on the “Dryophila structure”, while, in our findings, pileipellis terminal hyphae inflated to spherical to prolate were observed, in addition to extremely long basidia sterigma. The phylogenies inferred from the ITS and nLSU dataset supported the Gymnopus, which was defined by Oliveira et al. as a monophyletic genus, and the novel species as separate lineages within. A key to all species described in this study is also provided. Full article
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