Polygonum cognatum
C.F.W. Meissn.
TGM [Darwin] 516. Place of collection: Georgia; Georgia; Tbilisi; Tbilisi; Botanic Garden (N41°4x' E44°4x'). Date of collection: 8 May 1911. Associated organism: Uromyces polygoni-aviculariae. Collector: Nevodovsky, G.S..