title: Alessioporus and Pulchroboletus (Boletaceae, Boletineae), two novel genera for Xerocomus ichnusanus and X. roseoalbidus from the European Mediterranean basin: molecular and morphological evidence.
abstract: Alessioporus and Pulchroboletus are proposed as new monotypic genera to accommodate the thermo-xerophilic European species Xerocomus ichnusanus and X. roseoalbidus respectively. The present research focused on both morphological features and multigene molecular phylogeny (nrITS, nrLSU, tef-1α datasets) to elucidate the taxonomic status of these two rare Mediterranean boletes and delineate a natural classification within the family Boletaceae. Macro- and microscopic descriptions of the two species based on inclusive taxon sampling are provided and supported by line drawings of the main anatomical features. Phylogenetic relationships, ecology, geographical distribution and delimitation from the most closely allied taxa also are highlighted. In addition, epitype specimens are selected for both species.
authors.affiliation: Via Traversa della Selciatella 2B, I-00062 Bracciano (RM), Italy.
authors.forename: Matteo
authors.initials: M
authors.lastname: Gelardi
authors.affiliation: Via Bell'aria 8, I-42121Reggio Emilia, Italy.
authors.forename: Giampaolo
authors.initials: G
authors.lastname: Simonini
authors.affiliation: Dipartimento di Scienze della Vita e Biologia dei Sistemi, Università di Torino, Viale P.A. Mattioli 25, I-10125 Torino, Italy.
authors.forename: Enrico
authors.initials: E
authors.lastname: Ercole
authors.affiliation: Dipartimento di Scienze della Vita e Biologia dei Sistemi, Università di Torino, Viale P.A. Mattioli 25, I-10125 Torino, Italy alfredo.vizzini@unito.it.
authors.forename: Alfredo
authors.initials: A
authors.lastname: Vizzini
mesh_terms: D001483:Base Sequence; D001487:Basidiomycota / Q000145:classification* / Q000166:cytology / Q000235:genetics / Q000302:isolation & purification; D004271:DNA, Fungal / Q000737:chemistry / Q000235:genetics; D021903:DNA, Ribosomal Spacer / Q000737:chemistry / Q000235:genetics; D048690:Fruiting Bodies, Fungal; D005843:Geography; D019083:Mediterranean Region; D008969:Molecular Sequence Data; D010802:Phylogeny; D017422:Sequence Analysis, DNA; D013172:Spores, Fungal
chemical_list: D004271:DNA, Fungal; D021903:DNA, Ribosomal Spacer
keywords: Basidiomycota; Boletales; Boletus; European fungi; biogeography; epitypification; molecular phylogeny; taxonomy