In July 2018, the leaf spot fungi Cercospora helianthicola and Septoria helianthina were detected on leaves of sunflower, Helianthus annuus, in Austria. This is the first detection of these fungal species on sunflower in Austria.
Original publication:
First report of Cercospora helianthicola and Septoria helianthina on Helianthus annuus in Austria.