Friday, April 17, 2015

Water Horsetail

I was down on Lewes Brooks RSPB reserve early this morning doing a WeBS survey and noticed the water horsetail, Equisetum fluviatile, was coming up. It has yet to develop the whorled branches but is not difficult to identify. Not all the stems develop a terminal cone. In cross-section the stems are hollow with a thin circular wall. 

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