Cewch ragor o wybodaeth gan gynnwys taflen ffeithiau sy’n dangos symptomau’r clefyd Chalara ar goed ynn ar wefan y Comisiwn Coedwigaeth yn www.forestry.gov.uk/ashdieback.
Further information, including a ‘pest alert’ factsheet showing pictures of the symptoms of Chalara dieback of ash, is available on the Forestry Commission’s website at www.forestry.gov.uk/ashdieback.