Peronospora violacea Berk.
Selection criteria. Country: any country. Associated organism: Knautia arvensis (distribution map)
Number of records. 2.
Date information. 1904 (Jun).
Countries. Ukraine.
Substrata. flower, leaf.
Literature. Dudka (2000) page(s) 216; Wróblewski (1922) page(s) 5.