<i>Equisetum hyemale</i>, Equisetaceae, Rough Horsetail, Scouring Rush, strobilus; Botanical Garden KIT, Karlsruhe, Germany. The fresh haulm is used in homeopathy as remedy: Equisetum hiemale (Equis.)
<a href="//commons.wikimedia.org/wiki/User:Llez" title="User:Llez">H. Zell</a>
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<span class="int-own-work" lang="en">Own work</span>