New species of Retiboletus (Boletales, Boletaceae from China based on morphological and molecular data
New species of Retiboletus (Boletales, Boletaceae from China based on morphological and molecular data
复制标题
基于形态学和分子数据的中国网牛肝菌新种（牛肝菌目，牛肝菌科）
DOI：
10.3897/mycokeys.67.51020
复制
发表时间：
2020-05-14
期刊：
影响因子：
3.3
通讯作者：
Bau, Tolgor
中科院分区：
文献类型：
--
作者：
Liu, Hai-Ying;Li, Yan-Chun;Bau, Tolgor
通过形态学观察和核核糖体大亚基（nrLSU）和翻译延伸因子1-α（TEF 1-α）基因序列分析，对中国网牛肝菌属（Retiboletus）的种类进行了研究。在中国共发现9种，其中2种为新种，7种为已知种。新种为Retiboletus titer和R. sinogriseus，分别产于中国西南部和东北部。黑网牛肝菌（Retiboletus ater）的形态特征为：菌盖黑色至灰黑色，子实膜为白色至灰色，菌柄黑色至黑色，菌壁为白色至灰白色。中华灰网牛肝菌（Retiboletus sinogriseus）的形态特征为：菌盖褐色至灰褐色，膜荚黄色至灰黄色，菌柄淡黄色至褐色，菌膜黄色至浅黄色。这两个新种的描述和线图，并与近缘类群的比较。
Species of the genus Retiboletus in China were investigated based on morphology and phylogenetic analysis of DNA sequences from the nuclear ribosomal large subunit (nrLSU) and the translation elongation factor 1-alpha gene (TEF1-alpha). Nine species were recovered from China, including two new and seven known species. The new species, namely Retiboletus titer and R. sinogriseus, from southwestern and northeastern China respectively, are documented and illustrated in this paper. Retiboletus ater is morphologically characterized by its black to grayish black pileus, white to grayish hymenophore, black to blackish stipe and white to grayish white context. Retiboletus sinogriseus is morphologically characterized by its brown to grayish-brown pileus, yellow to grayish-yellow hymenophore, pale yellow to brownish stipe and yellow to bmwnish-yellow context. Descriptions and line drawings of these two novel species and their comparisons with allied taxa are presented.