Photo: Equisetum hyemale 1.

Closeup of branchless stalks. Chiricahuas, AZ, US. Wild. 1998-04-01.

Equisetum hyemale L.
Engl.: scouring rush, scouringrush horsetail, common scouring-rush, rough horsetail, shavegrass.
Deu.: Winter-Schachtelhalm.
Suom.: kangaskorte.
Sven.: skavfräken, skurfräken, skäfte.
Bot. syn.: Equisetum affine Engelm., Equisetum praealtum Raf., Equisetum robustum A. Braun, Hippochaete hyemalis (L.) Bruhin