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Taxonomy of Pluteus eugraptus and morphologically similar taxa

机译：小菜蛾分类学和形态相似的分类单元

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摘要

The status of the taxa morphologically similar to Pluteus eugraptus (Basidiomycota, Agaricales) was investigated with morphological and molecular (ITS region) characters. This group of species belongs in Pluteus sect. Celluloderma based on morphological and molecular characters. Two species, Pluteus multiformis, from Spain and Pluteus eludens from Madeira, Portugal, Russia and USA, are described as new. Both species share pigmented cheilocystidia and a pileipellis composed of both clavate-spheropedunculate and elongated elements with P. eugraptus, but they can be separated based on the characteristics of the cystidia and pileipellis. Pluteus multiformis is characterized by the scarce pleurocystidia, clavate cheilocystidia and caulocystidia and highly polymorphic elements of the pileipellis. Pluteus eludens is characterized mainly by utriform pleurocystidia. Pluteus eugraptus is known only with certainty from the type collection (Sri Lanka), which has been re-examined here, and it is characterized by narrowly lageniform pleurocystidia. Phylogenetic analyses based on ITS region sequence data supported the separation of P. multiformis, P. eludens and an additional collection from Japan that likely represents the true P. eugraptus.
机译：通过形态学和分子（ITS区域）特征，研究了形态相似于小食虫（Pluteus eugraptus）的类群的状态（Basidiomycota，Agaricales）。这一组物种属于普鲁特伊斯教派。根据形态和分子特性的纤维素皮。西班牙有两个物种，即多形Pluteus multiformis和来自马德拉，葡萄牙，俄罗斯和美国的Pluteus eludens被描述为新物种。这两个物种都共享有色的小囊藻和一个由棒状球状带球状的和细长的元素组成的堆石with，以及Pug eugraptus，但是可以根据它们的特征来分离它们。 Pluteus multiformis的特点是胸膜囊肿稀少，棒状囊胞藻和菜囊胞藻，以及绒头藻的高度多态性。小食小食lude虫的特征主要在于尿样胸膜囊囊炎。 Pluteus eugraptus仅在类型收集区（斯里兰卡）中才能确定，在这里已对其进行了重新检查，其特征是狭窄的羊角膜状胸膜囊膜炎。基于ITS区域序列数据的系统发育分析支持分离多形疟原虫，麻疹假单胞菌和来自日本的另外一个馆藏，这些收藏可能代表了真正的麻疹假单胞菌。

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