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- Title
Molecular data favours a monogeneric <italic>Peltulaceae</italic> (Lichinomycetes).
- Authors
KAUFF, Frank; BACHRAN, Alexandra; SCHULTZ, Matthias; HOFSTETTER, Valérie; LUTZONI, François; BÜDEL, Burkhard
- Abstract
The family <italic>Peltulaceae</italic> is currently composed of the three genera <italic>Peltula</italic>, <italic>Phyllopeltula</italic> and <italic>Neoheppia</italic>. The last two genera, both with two species, are distinguished from <italic>Peltula</italic> only by a small number of morphological characters. The morphology of the genus <italic>Peltula</italic> varies from peltate-umbilicate thalli to squamulose-semifruticose or squamulose-compound types, as well as subfoliose-compound and crustose types. All types have an upper epinecral layer and possess medullary cavities of various sizes; a lower cortex is normally present but is usually not developed in the subfoliose and crustose types. The genera <italic>Neoheppia</italic> and <italic>Phyllopeltula</italic> differ from the common <italic>Peltula</italic> morphology by crustose-areolate and subfoliose-compound thalli, respectively. Both <italic>Neoheppia</italic> and <italic>Phyllopeltula</italic> are additionally characterized by the absence of medullary cavities and lower cortices. To investigate the phylogenetic validity of <italic>Phyllopeltula</italic> and <italic>Neoheppia</italic>, we sequenced six loci from representatives of these two genera together with 37 species from <italic>Peltula</italic>. Despite the relatively high amount of conflict among loci, the results clearly indicate that both <italic>Phyllopeltula</italic> and <italic>Neoheppia</italic> are not monophyletic, and are nested within the genus <italic>Peltula.</italic> Consequently, we subsumed species of these two genera within the genus <italic>Peltula.</italic>
- Subjects
PELTULACEAE; COMPOSITION of fungi; FUNGAL morphology; CRUSTOSE lichens; LOCUS (Genetics)
- Publication
Lichenologist, 2018, Vol 50, Issue 3, p313
- ISSN
0024-2829
- Publication type
Article
- DOI
10.1017/S0024282918000105