Target canker on red maple tree bark.
Characteristic target shape of a Nectria canker, a common pathogen, on a red maple tree Acer ruburm in a Western Pennsylvania forest.
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Keywords:
acercankercharacteristiccommonforestmaplenectriapathogenpennsylvaniaredruburmshapetargettreewestern
Username: Kwselcer
Editorial: No
Width: 3336 pixels
Height: 5008 pixels
Downloads: 1
Image ID: 109969525