Betula pubescens
Ehrh.
TGM [Darwin] 1078. Place of collection: Georgia; Gulripshi; upper Klych river gorge (N43°1x' E41°5x'). Date of collection: 31 August 1915. Associated organisms: Atopospora betulina; Gloeosporium betulae. Collector: Woronow, G.; Siemaszko, W..