Revealing Brownish Mycena Diversity in China: New Discoveries and Taxonomic Insights

Wei, Renxiu; Ge, Yupeng; Qi, Liangliang; Han, Menghui; Zeng, Hui; Hu, Yaping; Zou, Li; Cheng, Xianhao; Wu, Xiaoming; Na, Qin

doi:10.3390/jof10060439

Cited by 3 publications

(1 citation statement)

References 64 publications

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“…China has abundant Mycena resources and many new Mycena species have been recorded to date ( Ge et al 2021 , Liu et al 2021 , Liu et al 2022 , Na and Bau 2018 , Na and Bau 2019a , Na and Bau 2019b , Na et al 2022 , Qiang and Bai 2023 , Wei et al 2024 ). During our field investigations of mycenoid fungi in China, we discovered a new species.…”

Section: Introductionmentioning

confidence: 99%

Mycena brunnescens (Basidiomycota, Mycenaceae), a new species of Mycena sect. Pterigenae from China

Zhang,

Xiao,

Tan

et al. 2024

BDJ

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Mycena (Pers.) Roussel (1806) is a large genus of Mycenaceae known for having small to medium-sized basidiomata. It is typified by the species Mycena galericulata (Scop.) Gray. For years, many mycologists have made important contributions to understanding Mycena and several monographs have been published. Three specimens were collected from China that belonged to the genus Mycena. On the basis of morphological analysis and phylogenetic analyses employing DNA sequences, a new species is described. Mycena brunnescens sp. nov. is described as a new species from subtropical areas of China. It is characterised by its brown pileus, whitish lamellae that turns brown when bruised, orange to brown lamellae edges, the absence of pleurocystidia and cheilocystidia with simple or branched excrescences at the apex containing yellowish-brown contents. We performed phylogenetic analyses on a concatenated dataset comprising the internal transcribed spacer and large subunit regions of nuclear ribosomal RNA using Bayesian Inference and Maximum Likelihood methods. The result showed that the new taxon clustered in an independent group and is closely related to M. albiceps and M. flosoides.

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Section: Introductionmentioning

confidence: 99%

Mycena brunnescens (Basidiomycota, Mycenaceae), a new species of Mycena sect. Pterigenae from China

Zhang,

Xiao,

Tan

et al. 2024

BDJ

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Three new species of Gymnopus and Mycena (Agaricales, Basidiomycota) from Northwestern China

Fan,

Wang,

et al. 2024

Front. Microbiol.

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Members of the genera Gymnopus and Mycena are vital for litter decomposition in tropical and humid temperate forests. In this study, the difference in morphological features among Gymnopus gansuensis, Gymnopus subsepiiconicus, and Mycena glabera was confirmed by DNA data. Gymnopus gansuensis and Gymnopus subsepiiconicus showed separate relationships with other species in the ITS and nLSU combined dataset utilized for the phylogeny of Gymnopus sect. Impudicae. In addition, Gymnopus gansuensis is characterized by pileus honey yellow at the center, margin pinkish buff to buff, stipe pinkish buff to fuscous, and basidiospores elliptic to briolette. Gymnopus subsepiiconicus is characterized by pileus clay buff to grayish brown at the center, margin pinkish buff to fawn, stipe dark brown to fuscous, and basidiospores elliptic. Based on the combined dataset of the ITS and TEF-1α, Mycena glabera has been detected as a separate lineage in the phylogenetic studies of Mycena sect. Calodontes. The ecological behaviors of the new species are described with illustrations.

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Campanophyllum microsporum (Agaricales, Agaricomycetes), Calocera multiramosa, and Dacrymyces naematelioides (Dacrymycetales, Dacrymycetes), three new species from Yunnan Province, southwestern China

Ma,

Liu,

Chai

et al. 2024

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Three new species belonging to Basidiomycota from southwestern China are described based on morphological and molecular data. Campanophyllum microsporum is morphologically characterized by dorsally pseudostipitate, pale orange to brownish orange pileus, excentric to lateral pseudostipe, crowded lamellae, cylindrical-ellipsoid basidiospores 3.0–4.2 × 1.7–2.2 µm, narrowly clavate to clavate basidia 14.5–23.0 × 3.0–4.2 µm, and cylindrical to clavate cheilocystidia 22.0–55.0 × 5.0–10.8 µm. Calocera multiramosa is morphologically characterized by stipitate, yellowish to orange, dendroid, and dichotomously branched basidiomata, cylindrical to clavate basidia 36.5–52.5 × 3.8–6.1 µm, navicular or reniform, 1–5-septate mature basidiospores 10.4–16.7 × 5.2–7.4 µm. Dacrymyces naematelioides is morphologically characterized by stipitate and cerebriform, orange to light brown basidiomata, cylindrical to clavate, smooth or roughened basidia 38.5–79.5 × 6.5–10.6 µm, broadly and elliptic-fusiform, 7-septate mature basidiospores 18.5–28.6 × 8.9–13.8 µm. These three new species are supported by the phylogenetic analyses using maximum likelihood (ML) and Bayesian inference (BI) analyses with combined nuclear ribosomal DNA (rDNA) internal transcribed spacer (ITS) and large ribosomal subunit (LSU) sequences. Full descriptions and photographs of these new species are provided.

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Revealing Brownish Mycena Diversity in China: New Discoveries and Taxonomic Insights

Cited by 3 publications

References 64 publications

Mycena brunnescens (Basidiomycota, Mycenaceae), a new species of Mycena sect. Pterigenae from China

Mycena brunnescens (Basidiomycota, Mycenaceae), a new species of Mycena sect. Pterigenae from China

Three new species of Gymnopus and Mycena (Agaricales, Basidiomycota) from Northwestern China

Campanophyllum microsporum (Agaricales, Agaricomycetes), Calocera multiramosa, and Dacrymyces naematelioides (Dacrymycetales, Dacrymycetes), three new species from Yunnan Province, southwestern China

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