
Bark cracking and bleeding on the branches of felled horse chestnut

Intense bleeding on the branches of infected horse chestnut

Bleeding in crown of horse chestnut

Severe bleeding on branches

Bleeding and associated bark splits, with signs of attempted callusing

Bleeding and bark cracking on the major branches of mature horse chestnut

Bleeding canker damage to major branches

Bleeding cankers on the branches of a 10-year-old tree

Edge of extending necrotic lesion in phloem with crusted exudate on bark surface