Erysiphe polygoni
DC.
TGM [Darwin] 137. Place of collection: Georgia; Kartli region; Khrami river bank (N41°5x' E44°2x'). Date of collection: 25 June 1921. Associated organism: Physocaulis nodosus (leaf). Collector: Woronichin, N.N.. Identifier: Woronichin, N.N..