Rubroboletus demonensis (GS10244, holotype). Basidiomes from the main collections. a 9 October 2013, C.da Piano Torre (Madonie), Castelbuono (PA), with Quercus pubescens s.l. and Q. ilex. b 5 September 2013, Portella dell’Obolo (Nebrodi), Capizzi (ME), with Q. pubescens s.l. c 4 August 2014, near Village Nimea, Komotini, Rhodope Regional Unit, with Q. petraea ssp. medwediewii. d 15 September 2013, Portella dell’Obolo (Nebrodi), Capizzi (ME), with Q. pubescens s.l. e 15 September 2013, Portella dell’Obolo (Nebrodi), Capizzi (ME), with Q. pubescens s.l. f 27 June 2009, Portella Sella Maria (Nebrodi), Cesarò (ME), with Q. pubescens and Q. virgiliana. g 30 June 2008, pizzo Inferno (Nebrodi), Floresta (ME), with Castanea sativa and Pinus nigra ssp. calabrica. h GS10274. i GS10244 (Holotype). j GS10708. k GS10278. l GS10242. Bars = 50 mm.