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Plants look like green silky threads and live in river and lake reservoirs.
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Algae are collected in the summer, dried in the shade, dried are easily ground into powder and stored in glass vessels.
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Widely used in folk medicine. Fresh and dry (soaked) plants are applied to bruises, inflamed and sore spots (previously washed with vodka or alcohol). They dissolve swelling, inflammatory infiltrates, promote the healing of ulcers and small wounds.