Recognition of theParmelia crozalsianagroup as the genusCrespoa

North American Fungi

James C. Lendemer¹  Brendan P. Hodkinson¹ 

关键词: Pycnidia;    ascospores;    macrolichen;    taxonomy;   

DOI  :  

学科分类：植物学

来源: Pacific Northwest Fungi Project

【 摘 要 】

Recent molecular phylogenetic analyses of the lichen family Parmeliaceae have revealed that the members of theParmelia crozalsianagroup form a sister clade to one containing members of the genusParmotrema . The four species in this group were classified first inParmelia , thenPseudoparmelia , and laterCanoparmelia . Recently, the classification of this group was resolved by placing the species in the newly-describedParmotremasubg.Crespoa . This placement was justified by an absence of characters from the fungal reproductive structures distinguishing members of the group from those classified inParmotremasubg.Parmotrema . As this classification obfuscates a morphologically and phylogenetically discrete group of foliose macrolichens that has always been recognized as distinct fromParmotrema s. str. , we here recognize the group as the genusCrespoa . A discussion of taxonomic rank assignment based on character-types that are preconceived as diagnostic is also provided.

【 授权许可】

Unknown