Ключевые слова: arvense, background, bottle brush, common, equisetaceae, equiseto, equisetum, fertile, field, fresh, giant horsetail, great, green, herb, herbal, horsetail, isolated, leaf, leaves, meadow, medical, medicinal, mix, natural remedies, nature, naturopathy, northern, officinal, plant, rhizome, set, spore, sporophyte, sprig, stem, strobil, strobilus, uncultivated, weed, white, wild,