Posted on 07/14/2013

Photo taken on July 14, 2013

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Equisetum hyemale L. – Rough Horsetail
Scouringrush Horsetail

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Equisetum hyemale

Equisetum hyemale
A young Dutch Rush, Equisetum hyemale heads upwards.

Not a Rush at all, all Horsetails (Fern allies), contain silica, but E.hyemale has a very high silica content in the cell walls. Historically it was imported from the Netherlands, for scouring pots, hence it's common names, Dutch Rush, Scouring Rush or Rough Horsetail.