Fil:Equisetum telmateia stem.jpgFrom: en:Image:Equisetum arvense stem.jpg Equisetum telmateia stem photographed by Eric Guinther (Marshman at en.wikipedia) in Portland, Oregon (near
Fil:Equisetum.jpgFrom: en:Image:Equisetum.jpg Equisetum telmateia vergetative and reproductive stems photographed by Eric Guinther (Marshman at en.wikipedia) in Portland