USDA Forest Service - Northeastern Area , USDA Forest Service, Bugwood.org
licensed under a Creative Commons Attribution 3.0 License.
licensed under a Creative Commons Attribution 3.0 License.
Image Number: 1407029
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Description:
These microscopic units in woody tissue can be likened to rooms or compartments, which a tree can close off it they become injured or infected; illustrating walls 2, 3, and 4
Image type:
Museum
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Image uploaded:
Monday, October 3, 2005
Image last updated:
Tuesday, March 20, 2007
