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Published on: October 27, 2013
Three new species of Gerronema (Agaricales, Basidiomycota) from southern China
Wei-Xin Zhang1,2, Wang-Qiu Deng2, Chang-Qing Chang1
1Guangdong Provincial Key Laboratory of Microbial Signals and Disease Control, Engineering Research Center of Biological Control, Ministry of Education, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, South China Agricultural University, Guangzhou 510642, China Institute of Microbiology, Guangdong Academy of Sciences Guangzhou China.
Abstract:
Three new species of Gerronema are discovered from southern China. Gerronemaangustum is characterized by its small basidiomata, greenish-green pileus, slender stipe, narrow, and close lamellae. Gerronemapubescence is characterized by its pubescent pileus when young, yellowish white to pale yellow lamellae that are lighter towards the margin, narrowly cylindrical to lageniform pleurocystidia, and absent cheilocystidia. Gerronemarhizomorpha is characterized by its yellowish white to brown pileus, well-developed rhizomorphs at the stipe base, absent cheilocystidia and pleurocystidia, and not growing on rotten wood. Molecular phylogenetic analyses of nrITS + nrLSU support the species delimitation. In this study, detailed descriptions, photos of the basidiomata, line drawings, and discussions with related species are comprehensively provided. A key to the known Gerronema species in China is also provided.
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