Ключевые слова: allergenic, asthmatic, background, beautiful, beauty, biology, blossom, blossoming, blue, branch, buds, bulgaria, catkin, cling, close up, color, detail, early, easter, floral, flower, focus, fuzzy, green, mountain, nature, plana, plant, pollen, salix caprea, season, selective, spring, springtime, stamen, tree, twig, white, willow,