Anthracnose (Ash)
(Discula fraxinus)
Anthracnose (Elm)
(Stegophora ulmea)
Anthracnose (Oak)
(Discula quercina)
Anthracnose (Sycamore)
(Discula platani)
Bacterial Leaf Scorch
(Xylella fastidiosa subsp. Multiplex)
Drought
Herbicide Damage
Hypoxylon Canker
(Hypoxylon tinctor)
Hypoxylon Canker (Oak)
(Biscogniauxia atropunctata)
Improper Pruning
Leaf Scorch
Lecanium Scale
(Coccus hesperidium)
Phytophtora Root Rot
(Phytophtora spp.)