Plant Health B

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)

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith