|Hispidus canker and conk on a Nuttall oak.|
|Spiculosa canker on a young willow oak.|
|A cross-section of willow oak shows the rotten heartwood caused by a spiculosa canker.|
|Irpex canker and conks on willow oak.||A cross-section of a willow oak showing rotten heartwood caused by Irpex canker.|
If you are concerned about your trees for any reason, please contact Trees "R" Us, Inc. Trees "R" Us, Inc. has 4 certified arborists in their plant health care division that are well trained on how to give your trees and plants the proper care they need. Contact us for an analysis of your trees and plants.