Associations
provided by BioImages, the virtual fieldguide, UK
Foodplant / parasite
hypophyllous uredium of Melampsoridium betulinum parasitises live leaf of Alnus cordata
Remarks: season: 8-10
Other: unusual host/prey
Foodplant / parasite
hypophyllous, subepidermal, scattered or in groups telium of Melampsoridium hiratsukanum parasitises live leaf of Alnus cordata
Foodplant / pathogen
Phytophthora alni infects and damages small, yellow, prematurely falling leaf of Alnus cordata
