Equisetum fluviatile
The stems of the Water Horsetail are smooth and may be sparsely covered whorls of narrow joined branches. Plant height 50 to 140cm.
Fertile stems ripen June to July. Found in marshes, on pond and lake margins, and ditches. Widespread and locally common in Britain and Ireland.
Photographs taken June 2013, nature reserve, Staffordshire.
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