Hypomyces aurantius
(Pers.) Tul.
KW [Darwin] 6841. Place of collection: Russia; Leningrad Oblast; Sankt Peterburg Raion; Petrodvorets, near (N59°53' E29°54'). Date of collection: 6 July 1926. Associated organism: Climacocystis borealis (fruitbody). Collector: Lavrov. Identifier: Lavrov.