Peronospora arenariae
(Berk.) Tul.
KW [Darwin] 17795. Place of collection: Ukraine; Cherkasy Oblast; Smila District; Smīla town (N49°14' E31°52'). Date of collection: 14 April 1914. Associated organism: Arenaria serpyllifolia (leaf). Collector: Kliushnik, P.I.. Identifier: Nevodovsky, G.S..