Peronospora viciae is a plant pathogen. It is a downy mildew that can infect pea plants. In Iceland it grows on wild Vicia cracca and Lathyrus species.[1]
Liu. Jianfeng. Cao. Tiesen. Chang. Kan-Fa. Hwang. Sheau-Fang. Strelkov. Stephen E.. Virulence and diversity of Peronospora viciae f. sp. pisi in Alberta, Canada. Crop Protection. January 2013. 43. 18–26. 10.1016/j.cropro.2012.07.012.