This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Arno leaf fungal disease . en Photo of elm leaf afflicted by Rhytisma ulmi September UTC Ptelea talk September UTC created this work entirely by myself Ptelea talk September UTC en Ptelea Original upload log page en Arnoleaffungaldisease Ptelea bytes no Photo of elm leaf afflicted by Rhytisma ulmi created this