Heterobasidion annosum
(Fr.) Bref.
Isikov 6255. Place of collection: Ukraine; Republic of Crimea; Simeiz; Yalta Mountain Forest Nature Reserve; Ai-Petri yaila (N44°2x' E33°5x', alt. 1000 m). Date of collection: 10 September 1991. Associated organism: Pinus sylvestris (trunk). Collector: Isikov, V.P..