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Issue: Vol. 620 No. 1: 12 Oct. 2023
Type: Article
Published: 2023-10-12
DOI: 10.11646/phytotaxa.620.1.3
Page range: 33-46
Abstract views: 136
PDF downloaded: 14

Two new species of Cyclocybe (Agaricales, Tubariaceae) from China

State Key Laboratory of Mycology; Institute of Microbiology; Chinese Academy of Sciences; Beijing; 100101; People’s Republic of China. Center of Excellence in Fungal Research; Mae Fah Luang University; Chiang Rai; 57100; Thailand.
Tibet Plateau Institute of Biology; Lhasa 850000; People’s Republic of China.
Dipartimento di Scienze Della Vita e Biologia Dei Sistemi; Università di Torino; Viale P.A. Mattioli 25; 10125 Torino; Italy
State Key Laboratory of Mycology; Institute of Microbiology; Chinese Academy of Sciences; Beijing; 100101; People’s Republic of China
Tibet Plateau Institute of Biology; Lhasa 850000; People’s Republic of China
State Key Laboratory of Mycology; Institute of Microbiology; Chinese Academy of Sciences; Beijing; 100101; People’s Republic of China. College of Life Sciences; University of Chinese Academy of Sciences; Huairou District; Beijing; 100408; People’s Republic of China.
Fungi China new taxon phylogeny taxonomy

Abstract

Cyclocybe encompasses 12 species which are distributed worldwide. In this study, two new species named C. suberebia and C. dinggyensis are introduced from China. Phylogenetic analyses based on nrITS, nrLSU, tef1-α, and rpb2 data show their placement within Cyclocybe in two distinct lineages. Cyclocybe suberebia is characterized by its dark brown to light brown pileus, smaller spore size, clampless hyphae. Cyclocybe dinggyensis is characterized by a slender basidioma, tetrasporic basidia and clampless hyphae. Descriptions, colour photographs and line drawings of both new species are presented.

 

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