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The phenotypic features used for distinguishing species within the Cladonia furcata complex are highly homoplasious

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Pino Bodas, Raquel and Burgaz Moreno, Ana Rosa and Martín, María P. and Ahti, Teuvo and Stenroos, Soili and Wedin, Mats and Lumbsch, H. Thorsten (2015) The phenotypic features used for distinguishing species within the Cladonia furcata complex are highly homoplasious. Lichenologist, 47 (5). pp. 287-303. ISSN 0024-2829, ESSN: 1096-1135

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Official URL: https://www.cambridge.org/core/journals/lichenologist/article/phenotypic-features-used-for-distinguishing-species-within-the-cladonia-furcata-complex-are-highly-homoplasious/3C5B55EAA1199928A96F88F54C38D4CB



Abstract

The Cladonia furcata complex treated here comprises C. farinacea, C. furcata, C. multiformis, C. scabriuscula, C. stereoclada, and C. subrangiformis. The well-known taxonomic complexity of this group is caused by wide phenotypic variation and high morphological similarity among the species, for which reason we investigated the distribution in the phylogeny of the phenotypic characters traditionally used to distinguish the species in this complex. A phylogenetic analysis of the C. furcata complex is presented here, based on three loci (ITS rDNA, IGS rDNA and RPB2), representing specimens from a broad geographical range (Europe, North America and New Zealand). The phylogenetic reconstructions were performed using Maximum Likelihood and Bayesian analyses. In addition, 14 features traditionally used for species delimitation within this complex were mapped onto the Bayesian phylogeny. All the species currently accepted, with the exception of C. stereoclada, turned out to be polyphyletic. Most of the phenotypic characters studied are highly homoplasious with the exception of the podetium type. The solid podetia represent a diagnostic character of C. stereoclada.


Item Type:Article
Uncontrolled Keywords:Homoplasy; Lichen; Molecular phylogeny; Phenotypic characters
Subjects:Medical sciences > Biology > Botany
ID Code:42204
Deposited On:18 Apr 2017 15:23
Last Modified:09 Apr 2019 09:37

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