{"title":"Myriospora molybdina comb. nov. and the identity of Acarospora hysgina","authors":"Martin Westberg, Mats Wedin, Måns Svensson","doi":"10.1111/njb.04269","DOIUrl":null,"url":null,"abstract":"The nomenclature and taxonomy of <i>Acarospora molybdina</i> is revised using morphological and molecular data. The new combination <i>Myriospora molybdina</i> is proposed and <i>Acarospora hysgina</i> is recognized as a distinct species while <i>A. brunneola</i> is reduced to synonymy with <i>A. hysgina</i>. In its new circumscription <i>M. molybdina</i> is an arctic species, in Scandinavia only occurring in northernmost Norway. Further localities are reported from Greenland, Russia, Svalbard and the USA (Alaska). <i>Acarospora hysgina</i> is the correct name for a species distributed along the west coast of Sweden and Norway, formerly thought to belong to <i>A. molybdina</i>. Localities are also reported from Canada (New Brunswick), Greenland and the USA (Maine). The following names are lectotypified: <i>Acarospora brunneola</i>, <i>A.</i> <i>molybdina</i> var. <i>confusa</i>, <i>Lecanora</i> <i>ereutica</i> β <i>microcyclos</i>, <i>Parmelia ereutica</i>, <i>P</i>. <i>hysgina</i> and <i>P</i>. <i>molybdina</i>.","PeriodicalId":54716,"journal":{"name":"Nordic Journal of Botany","volume":"19 1","pages":""},"PeriodicalIF":1.0000,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nordic Journal of Botany","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.1111/njb.04269","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"PLANT SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
The nomenclature and taxonomy of Acarospora molybdina is revised using morphological and molecular data. The new combination Myriospora molybdina is proposed and Acarospora hysgina is recognized as a distinct species while A. brunneola is reduced to synonymy with A. hysgina. In its new circumscription M. molybdina is an arctic species, in Scandinavia only occurring in northernmost Norway. Further localities are reported from Greenland, Russia, Svalbard and the USA (Alaska). Acarospora hysgina is the correct name for a species distributed along the west coast of Sweden and Norway, formerly thought to belong to A. molybdina. Localities are also reported from Canada (New Brunswick), Greenland and the USA (Maine). The following names are lectotypified: Acarospora brunneola, A.molybdina var. confusa, Lecanoraereutica β microcyclos, Parmelia ereutica, P. hysgina and P. molybdina.
期刊介绍：
Nordic Journal of Botany publishes original contributions on all aspects of the taxonomy, evolution, conservation, ecology and biogeography of plants (including algae and bryophytes) and fungi.
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