Coriolellus serpens
(Fr.) Bondartsev
Isikov 2937. Place of collection: Ukraine; Donetsk Oblast; Yampol; Severskiy Donets river, along, flood plain forest (N48°55' E37°59', alt. 0030 m). Date of collection: 27 June 1989. Associated organism: Quercus robur (trunk). Collector: Isikov, V.P..