Associations
provided by BioImages, the virtual fieldguide, UK
In Great Britain and/or Ireland:
Foodplant / parasite
Erysiphe convolvuli parasitises live Calystegia sepium
Foodplant / parasite
Erysiphe convolvuli parasitises live Convolvulus arvensis
Foodplant / parasite
Erysiphe convolvuli parasitises live Calystegia silvatica