Peronospora parasitica
(Pers.) Fr.
Isikov 5743. Place of collection: Ukraine; Republic of Crimea; Nikita; Botanic Garden (N44°31' E34°15', alt. 0040 m). Date of collection: 15 October 1955. Associated organism: Matthiola incana (leaf). Collector: Vasil’yeva, L.N..