共查询到18条相似文献,搜索用时 171 毫秒
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报道了产自我国云南的丝膜菌属一新种:柯夫丝膜菌Cortinarius korfii。该新种主要特征为菌盖表面橄榄褐色并具小鳞片,菌褶蓝紫色,菌柄表面具绒毛,子实体在紫外光下有显著的荧光反应。详细描述了这一新种,并与其相似种进行了比较。 相似文献
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报道了丝膜菌属Cortinarius Telamonia亚属的3个中国新记录种,其中双环丝膜菌C bivelus产自我国东北和西南地区,亚石榴丝膜菌C.subbalaustinus产自云南省,亚野丝膜菌C subtorvus产自西藏自治区.对这3个种进行了详细的描述,并提供其宏观特征和显微结构图片. 相似文献
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报道了采自内蒙古大兴安岭地区丝膜菌属3个中国新记录种:橄榄棕丝膜菌Cortinarius olivaceofuscus、暗褐牛丝膜菌C. fuscobovinus和黄色丝膜菌C. croceus,并提供形态描述和线条图以及GenBank基因序列号。ITS序列分析及比对结果与形态学鉴定结果相吻合。研究标本存放于吉林农业大学菌物标本馆。 相似文献
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担子果小型至中等。菌盖直径4.5~9cm,初略呈钟形或近半球形,后扁平至近平展,污白色,具锈褐色至深褐色鳞片,中部具较明显的脐突,鳞片浓密,菌盖边缘常略延生。菌褶离生,白色,较密,不等长。菌柄长6~10cm,直径0.5~1cm,近圆柱形;内部变空;基部膨大;菌柄上部与菌盖边缘之间具蛛网状的丝膜,幼时尤其明显,成熟后易脱落。丝膜以下常被稀疏的深褐色小鳞片。 相似文献
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依据形态学和分子系统学研究结果,描述了产自中国云南省的丝皮革菌属2个新种,即中国丝皮革菌Hyphoderma sinense和棉絮丝皮革菌H. floccosum。中国丝皮革菌以光滑子实层体表面、被结晶和念珠状的囊状体及圆柱形至腊肠状的担孢子(8-11.5×3-5μm)为主要识别特征。棉絮丝皮革菌具有棉絮状至粉状子实层体表面、管状和分隔状囊状体及椭圆形至腊肠状担孢子。对新种的ITS和nLSU片段进行了测序和分析,采用最大似然法、最大简约法和贝叶斯推断法对研究样本的ITS+nLSU nrRNA基因序列进行系统发育分析,结果显示两个新种隶属于丝皮革菌属,其中,中国丝皮革菌与变形丝皮革菌聚在一起;棉絮丝皮革菌与松生丝皮革菌、丝皮革菌和拟丝皮革菌聚为一类。本研究提供了两新种的详细描述、线条图、生态照片及与相似种的区别,同时编写了我国丝皮革菌属23个种的检索表。 相似文献
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采自吉林省长白山自然保护区的冷杉产丝齿菌(Hyphodontia abieticola)是中国新记录种,一般生于针叶树上。该种特征为子实体平伏,子实层体表面深赭色,具有长管状的囊状体和圆柱形至近腊肠形的担孢子。根据采集的材料对该种进行了详细的描述和显微结构绘图。 相似文献
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丝盖伞属裂盖组Inocybe sect. Rimosae sensu lato是一个分类难度较大的类群,组内的一些种类被认为是复合种。分子系统发育分析表明该组并非单系群,该组成员隶属于丝盖伞科下的2个属级分支,Inosperma分支和Pseudosperma分支。本文结合形态学特征和分子序列分析,对我国丝盖伞属裂盖组进行了分类学研究,发现3个新种:长白丝盖伞Inocybe changbaiensis、新茶褐丝盖伞I. neoumbrinella和云南丝盖伞I. yunnanensis。长白丝盖伞和新茶褐丝盖伞产自中国东北,前者生于针阔混交林下,后者生于柳树林下;云南丝盖伞产自云南省昆明市,生于阔叶树下。基于LSU序列的系统发育分析结果显示,长白丝盖伞隶属于Inosperma分支,新茶褐丝盖伞和云南丝盖伞隶属于Pseudosperma分支。本文对此进行了形态描述和特征图示,并讨论了新种与近缘种之间的异同。编制了中国丝盖伞属裂盖组已知种类的分种检索表。 相似文献
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《Marine Biology Research》2008,4(1):131-151
Asteroids collected on the north part of the Mid-Atlantic Ridge by the RV G.O. Sars in summer 2004, under the MAR-ECO programme, were studied. Asteroids were found at 17 stations, at depths ranging from 966 to 3509 m. The collection includes 32 species. One species of Hymenasterides is here described as new to science. This is the first record of the genus Hymenasterides Fisher, 1911a in the Atlantic Ocean. Previously the genus Hymenasterides included only one species, Hymenasterides zenognathus Fisher, 1911a, from the West Pacific. The new species differs from it by a larger number of paxillar spines (9-20 instead of five to seven) and by alternate adambulacral plates with one and two spines instead of one and three. An annotated check-list is given of the asteroids in the MAR-ECO collection. 相似文献
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Shivaji S Reddy GS Raghavan PU Sarita NB Delille D 《Systematic and applied microbiology》2004,27(6):628-635
Nine psychrotolerant bacteria were isolated from fast ice in the middle of Geologie Archipelago, Adelie Land, Antarctica and were categorized into two groups, based on their SDS-PAGE profiles. Representatives from each of the two groups, namely strains DD 48T and SJ 14T exhibited phenotypic and chemotaxonomic characteristics confirming to the genus Psychrobacter. The 16S rRNA gene sequence indicated that the two isolates are closely related to each other and to the already reported fifteen species of Psychrobacter. Detailed studies on the phenotypic characteristics, chemotaxonomic properties and phylogenetic analysis of strains DD 48T and SJ 14T indicated that they are distinctly different from each other and the reported species of Psychrobacter. At the DNA-DNA hybridisation level, the two species exhibit less than 70% similarity. Thus, strains DD 48T and SJ 14T are identified as new species of the genus Psychrobacter for which the names Psychrobacter salsus sp. nov. and Psychrobacter adeliensis sp. nov. respectively are proposed. 相似文献
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A new species and a new variety of Cortinarius sect. Defibulati are described and illustrated from Niigata, Japan. Cortinarius rugosolilacinus sp.nov., found in deciduous forests, is most similar to Cortinarius livido-ochraceus (=C. elatior), but differs mainly in its longer basidiospores, slender basidiocarp, and pale violet lamellae in the button stage. Cortinarius pseudosalor var. niigatensis var. nov., found in deciduous forests, is distinguished from the type variety by its brown to dark brown pileus with a wrinkled
surface even when young. The differences between the two taxa and similar species are briefly discussed.
Received: September 5, 2001 / Accepted: May 23, 2002 相似文献