Ключевые слова: alder, alder wood characteristics, alders, alnus, alnus glutinosa, background, black, black alder, botany, branch, bright, bush, catkin, catkins, closeup, common, common alder, cone, countryside, deciduous, environment, european, flora, foliage, forest, fresh, fruit, garden, glutinosa, green, landscape, leaf, leaves, macro, natural, nature, nobody, organic, outdoor, park, plant, season, seed, speckled alder, spring, summer, tree, twig, wood, young,