Publications for:

pest = Cercospora (anamorphic genus)
crop = Viola (crop)

found 3 publications:

2015

First report of Cercospora violae infecting the garden violet Viola odorata in Serbia
Plant Disease (2015) 99 (7), p. 1035
publishers website - pestinfo wiki

2013

Species concepts in Cercospora: spotting the weeds among the roses
Studies in Mycology (2013) 75, 115-170
publishers website - pestinfo wiki

2002

An outbreak of Cercospora violae on pansy in Argentina
Australasian Plant Pathology (2002) 31 (4), 423-424
publishers website - pestinfo wiki