The Horsetail Fern, genus Equisetum. They are unusual in that they reproduce by spores rather

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The Horsetail Fern, genus Equisetum. They are unusual in that they reproduce by spores rather than flowering. Spore-bearing fertile stems appear in early Springtime and these are followed by the sterile green stems pictured here, in this case a new one that has not yet unfurled its fronds. The plant has various uses including medicinal and it is rich in silicon. Dorset England UK GB. On a black background

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Keywords: animal, background, common, delicate, equine, equisetum, fern, green, horsetail, horsetails, natural, plant, silicon, source, spore-bearing, spores, uk, white