Ключевые слова: agriculture, allergy, autumn, brown, cattail, circular, culinary, decoration, edible, feed, flowers, grass, lake, leaf, leaves, marsh, nature, no people, outdoors, perennial plants, plant, plant stem, pollen, pollen grains, pond, red bulrush, reed grass family, residential district, river, rural scene, season, stamens, swamp, typha, wind,