Peronospora parasitica
(Pers.) Fr.
IMI 353449. Place of collection: UK; Monmouthshire; Monmouth, near; Penallt Old Church Wood. Date of collection: 24 May 1992. Associated organism: Alliaria petiolata (leaf). Collector: Mordue, J.E.M.. Identifier: Mordue, J.E.M..