Associations
provided by BioImages, the virtual fieldguide, UK
Foodplant / parasite
telium of Gymnosporangium cornutum parasitises live leaf of Juniperus communis
Remarks: season: 4-6
Other: unusual host/prey
Foodplant / parasite
pycnium of Gymnosporangium cornutum parasitises live leaf of Sorbus
Foodplant / parasite
pycnium of Gymnosporangium cornutum parasitises live leaf of Sorbus aucuparia
Foodplant / gall
hypophyllous aecium of Gymnosporangium cornutum causes gall of leaf of Malus domestica
Other: minor host/prey
