Pseudoperonospora cubensis
(Berk. & M.A. Curtis) Rostovzev
KW [Darwin] 18519. Place of collection: Ukraine; Kherson oblast; Hola Prystan’ district; Black Sea reserve; Ivano-Rybal’chanskyi parcel; cordon 1 (N46°2x' E32°0x'). Date of collection: 22 August 1986. Associated organism: Cucumis sativus (leaf). Collector: Burdyukova, L.I.. Identifier: Minter, D.W..