Morphological and Phylogenetic Studies of Three New Species of Calocybe (Agaricales, Basidiomycota) from China
DIVERSITY-BASEL(2022)
摘要
Three species, Calocybe lilacea, C. longisterigma, and C. subochraceus, were newly discovered in Inner Mongolia, Hunan, and Liaoning provinces of China. Calocybe lilacea is mainly characterized by its small-sized basidiocarp, brownish-orange pileus, lilac gray to dull violet stipe, and noncellular epicutis. The main characteristics of C. longisterigma are its light brown to brownish-orange pileus, long sterigmata, and noncellular epicutis. The main morphological features of C. subochraceus are its small-sized basidiocarp, pale-orange pileus, adnexed lamellae, tortuous stipe, and noncellular epicutis. These morphological features confirmed that the three species of Calocybe all belonged to Sect. Carneoviolaceae. Phylogenetic analysis based on a combined dataset (ITS-nrLSU-RPB2) determined that the three species belong to the genus Calocybe and form a distinct lineage. The morphological differences between the three new species and other related species of Calocybe are also discussed.
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关键词
Lyophyllaceae, morphology, phylogeny, taxonomy
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