Ключевые слова: black, blue, butterweed, canada, canadian horseweed, central europe, closeup, color image, colors, copy space, daisy family, dark, dark border, defocused background, erigeron, europe, flower, flowering plant, focus, green, herb, herbal medicine, horizontal, horseweed, image, image created 2000s, image created 21st century, image date, inflorescence, macro, marestail, no people, outdoors, pappus, photographic effect, plant, ruderal, seed, selective focus, single flower, sun, sunlight, vignetting, yellow,