Alder Gall

Alder Gall

Observation - Alder Gall - UK and Ireland. Description: Pink-tinged pimples on leaves of Alder. Many leaves affected, and all the Alder trees along at least 50 metre stretch of riverbank.

Pink-tinged pimples on leaves of Alder. Many leaves affected, and all the Alder trees along at least 50 metre stretch of riverbank.