Monosporium agaricinum
Bonord.
KW [Darwin] 27845. Place of collection: Ukraine; Kiev oblast; Borispil’ district; Bortnychi village (N50°22' E30°42'). Date of collection: 6 August 1962. Associated organism: Russula sp. (fruitbody). Collector: Koval’, E.Z.. Identifier: Koval’, E.Z..