Ключевые слова: asteraceae, biology, blooming, blossom, bog, botanical, botany, butterbur, closeup, clusters, coltsfoot, common, devils, early, europe, family, flora, floral, flower, flowers, garden, growing, growth, hat, herb, hybrid, hybridus, inflorescence, inflorescences, large, meadow, medicinal, natural, nature, officinalis, organic, pestilence, petasites, plant, purple, rhubarb, shadow, spring, springtime, stem, texture, white, wild, wort,