Updated taxonomy on Gerronema (Porotheleaceae, Agaricales) with three new taxa and one new record from China

Qin Na; Yaping Hu; Hui Zeng; Zhizhong Song; Hui Ding; Xianhao Cheng; Yupeng Ge

doi:10.3897/mycokeys.89.79864

Updated taxonomy on Gerronema (Porotheleaceae, Agaricales) with three new taxa and one new record from China

MycoKeys. 2022 Apr 29:89:87-120. doi: 10.3897/mycokeys.89.79864. eCollection 2022.

Authors

Qin Na¹, Yaping Hu², Hui Zeng³, Zhizhong Song¹, Hui Ding², Xianhao Cheng¹, Yupeng Ge¹

Affiliations

¹ Shandong Key Laboratory of Edible Mushroom Technology, School of Agriculture, Ludong University, Yantai 264025, China Ludong University Yantai China.
² Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, State Environmental Protection Scientific Observation and Research Station for Ecological Environment of Wuyi Mountains, 8 Jiangwangmiao street, Nanjing 210042, China Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment Nanjing China.
³ Institute of Edible Fungi, Fujian Academy of Agricultural Sciences; National and Local Joint Engineering Research Center for Breeding & Cultivation of Features Edible Fungi, Fuzhou 350014, China Fujian Academy of Agricultural Sciences; National and Local Joint Engineering Research Center for Breeding & Cultivation of Features Edible Fungi Fuzhou China.

Abstract

Only three Gerronema (Porotheleaceae) species have been previously recorded in China. Here, we report collections of a fourth species in China: G.nemorale Har. Takah., which is widely distributed in Chinese temperate to subtropical zones. We also formally describe three new species, collected from Anhui, Fujian, and Zhejiang provinces: G.baishanzuense sp. nov., G.microcarpum sp. nov., and G.zhujian sp. nov. Furthermore, we include the results of a phylogenetic analysis of Porotheleaceae based on a multi-locus (ITS + nLSU) dataset. The results, which indicate that Gerronema is polyphyletic, support the taxonomic recognition of the three new species. Morphological descriptions, photographs, line drawings, and comparisons with closely related taxa are presented for the new and newly recorded species. A key to the seven species of Gerronema in China is also provided.

Keywords: new taxon; polygenes; taxonomy; white-spored.

Qin Na, Yaping Hu, Hui Zeng, Zhizhong Song, Hui Ding, Xianhao Cheng, Yupeng Ge.