Golovinomyces depressus (Wallr.) Heluta

KW [Darwin] 11834. Place of collection: Russia; Leningrad Oblast; Sankt Peterburg Raion; Petrodvorets (N59°53' E29°54'). Date of collection: 23 August 1926. Associated organism: Arctium tomentosum (leaf). Collector: Grodzinska, V.P.. Identifier: Heluta, V.P..