Erysiphe cichoracearum forma achilleae
Jacz.
TGM [Darwin] 1257. Place of collection: Georgia; Akhmeta; Bukhrebi village (N42°10' E45°07'). Date of collection: 9 August 1970. Associated organism: Achillea ochroleuca (leaf). Collector: Antschabadze, T.T..