When Codit is enticed by the appeal of washboard abs, Detective Dendro gets a call to explore the mystery of a beech tree (Fragus grandifolia) with stacked-up lines of horizontal bumps on its bark. Is this a wishy-washy situation or are washboard characteristics wonderful all around? Find out on this episode of Detective Dendro®. (A, U, M, T, L, Bs)
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