Table 1. Cortinarius coalescens and related Cortinarius collections under study.

ID	Cortinarius	Site, date	Host trees on site	Herbarium voucher	EMBL-Bank
X-57	coalescens	GER, Kronberg, 13.IX.1977	Castanea sativa	FR 0070020, holotype	LT827038
X-103	coalescens	GER, Kronberg, 31.VIII.2014	Castanea sativa	FR 0070047	LT827041
X-104	coalescens	GER, Kronberg, 23.IX.1995	Castanea sativa	FR 0070043	LT827048
X-105	coalescens	GER, Kronberg, 22.VIII.2014	Castanea sativa	FR 0070046	LT827040
X-167	coalescens	GER, Kronberg, 13.IX.1977	Castanea sativa	FR-0070041, isotype F300a	LT827042
X-168	coalescens	GER, Kronberg, 13.IX.1977	Castanea sativa	FR-0247030, isotype F300b	LT827039
X-11, B-839	coalescens	CZ, Český Šternberk, 2.VIII.2009	Quercus robur	PRM 923844	LT827035
X-218, B-840	coalescens	CZ, Český Šternberk, 23.VIII.2009	Quercus robur	PRM 923845 (FR-0070025a)	LT827037, LT827049, LT827050, LT827051
X-43, B-841/b	coalescens	CZ, Běleč-Jinčov, 27.VIII.2010	Carpinus, Tilia	PRM 923847	LT827043
X-219	coalescens	CZ, Běleč-Jinčov, 27.VIII.2010	Carpinus, Tilia	PRM 923847 (violet cap)	LT827036
-	crassorum	FR	Not reported	PC (Henry 87.127, holotype)	LT855664
X-107	largus	GER, Söllingen (Pfinztal), 23.VIII.2010	Fagus sylvatica	FR 0070030	LT827044
X-217, B-503b	largus	CZ, Český Šternberk, 6.IX.2009	Quercus robur	PRM 923846	LT827045
X-260, ASP-70	pseudodaulnoyae	CZ, Ranšpurk, 10.X.2013	Carpinus, Tilia, Quercus	PRM 944023	LT827047
K-14, X-358	subtomentosus	FR, French Ardennes, Mount Damion	Carpinus, Quercus, Fagus	Reumaux 1112, holotypeb	LT844659
X-316, ASP-65	variecolor	CZ, Černá v Pošumaví, 14.VIII.2016	Picea abies	CB 21393	LT827046

^aDuplicate of the original collection from PRM

^bIsotype: PRM 945504 (ex herb. Moënne-Loccoz n. 370)