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Molecular validation of Sarcodon quercinofibulatus, a species of the S. imbricatus complex associated with Fagaceae, and notes on Sarcodon
- Vizzini, Alfredo, Carbone, Matteo, Boccardo, Fabrizio, Ercole, Enrico
- Mycological progress 2013 v.12 no.3 pp. 465-474
- Castanea, Quercus, Sarcodon, phylogeny, woodlands, Spain
- Morphological and molecular phylogenetic analyses revealed that Italian and Mexican collections of an unknown Sarcodon species of the S. imbricatus complex associated with Fagaceae (Castanea and Quercus), were assignable to Sarcodon quercinofibulatus, a species recently described from Spain. The species, characterized by a light brown-hazelnut coloured pileus surface eventually breaking into large and coarse scales, was recognized as independent from Sarcodon imbricatus and S. squamosus. S. aspratus, usually synonymized with S. imbricatus, is a different species. S. squamosus collections from montane and Mediterranean pine woodlands were shown to be conspecific. Four sections of Sarcodon (Sarcodon, Violacei, Squamiceps and Scabrosi) established by Maas Geesteranus (Verh K ned Akad Wet III, 65: 1–127, 1975) only on morphological basis, are here confirmed as monophyletic.