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首页> 外文期刊>Mycologia >Cantharellaceae of Guyana I: new species, combinations and distribution records of Craterellus and a synopsis of known taxa
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Cantharellaceae of Guyana I: new species, combinations and distribution records of Craterellus and a synopsis of known taxa

机译：圭亚那一世的炭疽菌科：Craterellus的新物种，新组合和新分布记录以及已知分类群的概要

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摘要

Members of the Cantharellaceae (Cantharellales, Basidiomycota) are common ectomycorrhizal associates of the leguminous genus Dicymbe in the Pakaraima Mountains of Guyana. Eight distinct species or morphospecies currently are recognized in Craterellus Pers. or Cantharellus Adans. ex Fr. from Guyanese Dicymbe-dominated forests. We evaluated the systematics of these taxa with phylogenetic analyses of DNA sequence data from the nuclear ribosomal regions of the internal transcribed spacer (ITS) and 28S large subunit (LSU). The results of these analyses along with careful assessment of morphology let us described two new species, Craterellus atratoides sp. nov. and Craterellus strigosus sp. nov., redescribe Craterellus atratus (Corner) Yomyart et al. based on new material from Guyana, and propose a new combination in Craterellus for Cantharellus pleurotoides T.W. Henkel, Aime & S.L. Mill. Macroscopic illustrations are provided for two additional cantharelloid morphospecies confirmed in Craterellus, as well as the regionally endemic Cantharellus guyanensis Mont. Macromorphological, micromorphological and habitat data are provided for C. atratoides, C. strigosus and C. atratus, and ITS and LSU sequence data are provided for each of the eight known Guyanese taxa.
机译：茄属植物（Cantharellales，Basidiomycota）的成员是圭亚那Pakaraima山区豆科Dicymbe的常见外生菌根。目前在Craterellus Pers中识别出八个不同的物种或形态。或Cantharellus Adans。前神父来自圭亚那Dicymbe为主的森林。我们通过对内部转录间隔区（ITS）和28S大亚基（LSU）的核糖体区域的DNA序列数据进行系统发育分析，评估了这些分类单元的系统学。这些分析的结果以及对形态的仔细评估使我们描述了两个新物种Craterellus atratoides sp。十一月和Craterellus strigosus sp。 11月，重新描述了Craterellus atratus（Corner）Yomyart等。以圭亚那的新材料为基础，并为Crathellus中的Cantharellus pleurotoides T.W.提出了新的组合。汉高·艾姆＆S.L.磨。宏观插图提供了在Craterellus中确认的另外两个角豆角类形态物种，以及该地区特有的Cantharellus guyanensis Mont。提供了阿特拉托伊德氏菌，斯特氏梭状芽胞杆菌和阿塔图斯虫的宏观形态，微观形态和栖息地数据，并为八个已知的圭亚那类群的每一个提供了ITS和LSU序列数据。

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