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Reallocation of foliicolous species of the genus Strigula into six genera (lichenized Ascomycota , Dothideomycetes , Strigulaceae )
Fungal Diversity ( IF 24.5 ) Pub Date : 2020-05-12 , DOI: 10.1007/s13225-020-00445-7
Shu-Hua Jiang , Robert Lücking , Amanda Barreto Xavier-Leite , Marcela E. S. Cáceres , André Aptroot , Carlos Viñas Portilla , Jiang-Chun Wei

Strigula sensu lato has been previously defined based on phenotype characters as a rather broad genus including tropical to temperate species growing on a wide array of substrata. In this study, based on a multilocus phylogenetic approach, we show that foliicolous species form six well-delimited clades that correlate with diagnostic phenotype features, including thallus morphology, carbonization of the involucrellum and excipulum, ascospore dimensions, and type of macroconidia. Given the topology, with five of the six clades emerging on long stem branches, and the strong phenotypical differentiation between the clades, we recognize these at the genus level, making mostly use of previously established genus names. Four genera, namely Phylloporis, Puiggariella, Raciborskiella, and Racoplaca, are resurrected for the S. phyllogena, S. nemathora, S. janeirensis, and S. subtilissima groups, respectively, whereas one new genus, Serusiauxiella gen. nov., is introduced for a novel lineage with peculiar macroconidia. The only sequenced non-foliicolous species, S. jamesii, is not closely related to these six foliicolous lineages but clusters with Flavobathelium and Phyllobathelium, revealing it as an additional undescribed genus-level lineage being treated elsewhere. Within the new genus Serusiauxiella, three new species are described: Serusiauxiella filifera sp. nov., S. flagellata sp. nov., and S. sinensis sp. nov. In addition, ten new combinations are proposed: Phylloporis austropunctata comb. nov., P. radiata comb. nov., P. vulgaris comb. nov., Puiggariella confluens comb. et stat. nov., P. nemathora comb. nov., P. nigrocincta comb. nov., Racoplaca maculata comb. nov., R. melanobapha comb. nov., R. transversoundulata, and R. tremens comb. nov. We also report on a peculiar, previously unrecognized growth behaviour of the macroconidial appendages in Strigula s.lat.

中文翻译:

将叶片属的叶类物种重新分配到六个属(地衣子囊菌,丝线菌属,菊科)。

先前已根据表型特征将浅草Strrigula sensu定义为一个相当广泛的属,包括在各种各样的基质上生长的热带到温带物种。在这项研究中,基于多位点系统发育方法,我们显示了叶类物种形成了六个界限分明的进化枝,这些进化枝与诊断表型特征相关,包括菌体形态,vo和炭疽的碳化,子囊孢子的大小以及大分生孢子的类型。给定拓扑结构,六个进化枝中的五个进化出在长茎分支上,并且进化枝之间有很强的表型差异,我们在属水平上认识到这些,主要使用先前建立的属名称。四个属,即PhylloporisPuiggariellaRaciborskiellaRacoplaca分别针对系统链球菌线虫链球菌janeirensis枯草杆菌链球菌而复活,而其中一个新属是沙鲁杆菌属。nov。,被介绍用于具有独特的大分生孢子的新谱系。唯一的测序非foliicolous种,S. jamesii,是不是密切相关,这六个foliicolous谱系但随着集群FlavobatheliumPhyllobathelium,表明其作为一个额外的未描述的属级血统在别处治疗。在新属Serusiauxiella中,描述了三个新物种:Srusiauxiella filifera sp。十一月,S.鞭毛菌sp。nov。和中华链球菌sp。十一月 此外,提出了十种新的组合:南方楠。十一月,P。radiata梳子。十一月,寻常型梳子。十一月Puiggariella confluens comb。等统计。十一月P。nemathora梳。十一月,P。nigrocincta梳子。十一月Racoplaca maculata梳子。11月,R。melanobapha梳。十一月,R. transversoundulataR. tremens梳。十一月 我们还报告了Strigula s.lat中巨大的圆锥形附肢的一种特殊的,以前无法识别的生长行为。
更新日期:2020-05-12
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