knot in the bark of a tree

ash bark basswood beech bell birch black blackgum branch branches buckeye buckthorn calm cedar cherry cottonwood cypress daybreak dogwood ducks eastern elmwood field flora foliage forest green hawthorn hickory holly leaf leaves light lumber magnolia maple meadow morning moss mound mulberry natural nature oak ohio park pasture pawpaw peaceful pecan pine plants plum poplar range red redbud river riverbank roughleaf sassafras scarlet shade silver sourwood stream sugar sumac sunrise sunup swamp tranquil tree trees trunk wahoo walnut water willow woodbark