Oidium
sp.
KW [Darwin] 50813. Place of collection: Ukraine; Republic of Crimea; Yalta district; Nikita Botanic Garden (N44°30' E34°14'). Date of collection: 13 September 1985. Associated organism: Aster salignus (leaf). Collector: Dudka, I.O.. Identifier: Heluta, V.P..