Eastern Hemlock with Woolly Adelgid infestation - US Forest Service photo originally from [http://www.fs.fed.us/na/morgantown/fhp/hwa/pneedles1.jpg] (site has been taken offline) {{PD-USGov-USDA-FS}}
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):