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Published 2007
Watercress is, as you have always thought, a cress that grows in watery places. I have seen it bent forward by the current of a fast-flowing stream in the Oxfordshire village of Ewhelme. Like you, I, too, have enjoyed its peppery tang, which reminds some people of mustard, another distant member of the enormous Cruciferae family. The scientific name, Rorippa nasturtium-aquaticum, alludes, as