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Article
Published: 2021-09-23

A new species of Gymnopus sect. Androsacei (Omphalotaceae, Agaricales) from China

Guizhou institute of biology, Guizhou Academy of Sciences, Guiyang 550009, China
State Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, Guangdong 510070, China
Jiangsu Chinagreen Biotech Corporation, Siyang 223700, China
Guizhou institute of biology, Guizhou Academy of Sciences, Guiyang 550009, China
Guizhou institute of biology, Guizhou Academy of Sciences, Guiyang 550009, China
Guizhou institute of biology, Guizhou Academy of Sciences, Guiyang 550009, China
Litter fungi phylogeny taxonomy Fungi

Abstract

A new species of Gymnopus sect. Androsacei, namely, G. pallipes is described and illustrated based on morphological and molecular phylogenetic evidence. It is characterized by marasmioid basidiomata, a dark brown to reddish brown pileus becoming dull white to yellowish grey with age, whitish to pale yellow stipe and presence of rhizomorphs. Phylogenetic analyses support it as a new species within Gymnopus sect. Androsacei. The detailed morphological description, colour photos of basidiomata, and line drawings of microcharacters are presented and delimitation characters from similar species are discussed. A key to the known species of Gymnopus s. str. from China is also provided.

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