中国西南地区红菇目（Russulales，担子菌门）两个新物种。
Two new species of (Russulales, Basidiomycota) in Southwest China.
机构信息
Institute of Microbiology, School of Ecology and Nature Conservation, Beijing Forestry University, Beijing, China.
Yunnan Key Laboratory of Gastrodia and Fungi Symbiotic Biology, Zhaotong University, Zhaotong, Yunnan, China.
出版信息
Front Cell Infect Microbiol. 2023 May 18;13:1189600. doi: 10.3389/fcimb.2023.1189600. eCollection 2023.
Two new species of viz. and , are described from southwest China. Phylogeny based on ITS + nLSU dataset demonstrates that samples of the two species form two independent lineages and are different in morphology from the existing species of . is characterized by resupinate, coriaceous basidiomata with cream to pale yellow hymenophore, a dimitic hyphal structure with generative hyphae bearing simple septa, the absence of cystidia, and amyloid, broadly ellipsoid basidiospores measuring 4.7-7 × 3.5-4.7 μm. is characterized by resupinate, coriaceous basidiomata with cream to straw yellow hymenophore, a dimitic hyphal structure with generative hyphae bearing simple septa, numerous cystidia embedded or projecting from hymenium, and inamyloid, ellipsoid basidiospores measuring 9-11 × 4.5-5.5 μm. The differences between the new species and morphologically similar and phylogenetically related species are discussed.
本文描述了来自中国西南部的两种新物种，即 和 。基于 ITS+nLSU 数据集的系统发育表明，这两个物种的样本形成两个独立的谱系，在形态上与现有的物种不同。 的特点是反面、革质的担子果，具有奶油色至淡黄色的菌盖，二型菌丝结构，生殖菌丝具简单隔膜，无囊状体，淀粉质，宽椭圆形的担孢子大小为 4.7-7×3.5-4.7μm。 的特点是反面、革质的担子果，具有奶油色至稻草黄色的菌盖，二型菌丝结构，生殖菌丝具简单隔膜，大量囊状体嵌入或突出于菌盖，非淀粉质，椭圆形的担孢子大小为 9-11×4.5-5.5μm。本文讨论了新种与形态相似和系统发育上相关的物种之间的差异。
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