Fruiting bodies of the turkey tail fungus, Trametes versicolor, consist of concentric rings of dark and pale brown alternating with tan or whitish and sometimes other colors. The fungus causes sappy bark, a malady with peeling bark and dark, decayed wood. Credit: Andrej Kunca, National Forest Centre - Slovakia, Bugwood.org Licensed under a Creative Commons Attribution-Noncommercial 3.0 License
