Ключевые слова: allergen, anther, april, beauty, bloom, blooming, blossom, botany, branch, bud, bush, catkin, catkins, closeup, colour, deciduous tree, deciduous trees, east frisia, easter, flower, fluffy, germany, goat willow, growth, leaf, lower saxony, natural, nature, nobody, outdoors, palm sunday, plant, pollen, pussy willow, pussywillow, salicaceae, salix caprea, salix catkins, season, shrub, soft, spring, stem, sunny, tree, twig, vegetative, willow, willow catkins, yellow,