Three new species from Guangdong Province of China, and a molecular assessment of Hygrocybe subsection Hygrocybe.
Three new species from Guangdong Province of China, and a molecular assessment of Hygrocybe subsection Hygrocybe.
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中国广东省三个新种及水盖菇亚科的分子评估
DOI：
10.3897/mycokeys.75.59600
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发表时间：
2020
期刊：
影响因子：
3.3
通讯作者：
Li TH
中科院分区：
文献类型：
--
作者：
Wang CQ;Zhang M;Li TH
（Hygrocybe subsect.）Hygrocybe）是一群色彩鲜艳，吸引人的蘑菇。然而，亚组的物种多样性。由于取样有限，对湿生伞属在中国的分布情况知之甚少。本文描述了采自中国广东省的三个新种，并根据其形态特征、内转录间隔区和大亚基核糖体DNA区域的分子分析，对它们进行了描述和图解。弱柄湿伞（Hygrocybe debilipes）主要特征为菌盖橙子红至鲜红色，柄脆，担孢子椭圆形至长圆形;产于林地的灰黑壳菌H.产自林地的红锥菌成熟时具有半球形至平凸的菌盖、纤维状的透明柄和球形至椭圆形的担孢子。
Blackening waxcaps (Hygrocybe subsect. Hygrocybe) are a group of colorful and attractive mushrooms. However, the species diversity of subsect. Hygrocybe in China is still poorly known due to the limited sampling. In this study, three new species of this group from Guangdong Province, China are described and illustrated based on their morphological characteristics and molecular analyses of the internal transcribed spacer and large subunit ribosomal DNA regions. Hygrocybe debilipes from grasslands of South China Sea islands is mainly characterized by its orange red to vivid red pileus, fragile stipe, and ellipsoid to oblong basidiospores; H. griseonigricans from woodlands is characterized by its whitish to dull yellow pileus, quick black discoloration and the globose, subglobose to broadly ovoid basidiospores; H. rubroconica from woodlands is characterized by the hemispheric to plano-convex pileus when mature, semitranslucent fibrose stipe, and globose to ellipsoid basidiospores.
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