Hypogymnia bitteri
(Lynge) Ahti
KW [Darwin] 31575. Place of collection: Russia; Irkutskaya oblast; Slyudyanskyi raion; Kultuk settlement; Pakhabīkha mountain (N51°43' E103°41'). Date of collection: 6 August 1927. Associated organism: Pinus sp. (trunk, bark). Collector: Oksner, A.M.. Identifier: Navrots’ka, Ī.L..