Host genus | Fungal species | Symptoms and notes |
Bellis | Puccinia obscura | Rust on leaves |
Septoria bellidis | Conidiomata found on brown leaf spots | |
Betula | Anisogramma virgultorum | Forms cankers in young twigs, shoot and crown dieback |
Atopospora betulina | Causes small tar spots on leaves | |
Erysiphe europaea | Powdery mildew of leaves | |
Melampsoridium betulinum | Rust on leaves (uredinia and telia) | |
Splanchnonema scoriadeum | A weak parasite of twigs and branches, probably causing dieback but not seriously harming the tree | |
Xenotypa aterrima | Stromata develop between the cambium and periderm of small branches, breaking through the surface layers when mature. Pathogenic nature unknown. | |
Buxus | Geejayessia cicatricum | Associated with dieback of small twigs (possibly not the causal organism) |