Spots on leaves of Ivy (Hedera helix) for ID, please
Observation - Spots on leaves of Ivy (Hedera helix) for ID, please - UK and Ireland. Description: Several leaves infected with these spots. Can anyone tell me what has caused them? A Google search s
Several leaves infected with these spots. Can anyone tell me what has caused them? A Google search suggests either fungus or bacterium: I'll stick to "other organisms" for the moment.