Betula sp.

Record number: 108225. Place of collection: Ukraine; Zhytomyr oblast; Rudnia Radovelska village (near) (N51°10' E27°53'). Date of collection: 20 August 1924. Associated organism: Pertusaria amara. Collector: Zerov, D.K..

Record number: 108254. Place of collection: Ukraine; Kiev oblast; Kiev city; Pushcha-Vodytsia (near) (N50°32' E30°21'). Date of collection: 22 May 1927. Associated organism: Pertusaria amara. Collector: Oksner, A.M..