Betula pubescens
Ehrh.
KW [Darwin] 53514. Place of collection: Ukraine; Volynska Oblast; Ratne District; Samari village; Luka lake, shore (N51°51' E24°37'). Date of collection: 8 August 1998. Associated organisms: Microsphaera europaea; Phyllactinia guttata. Collector: Heluta, V.P..