Photo: Equisetum arvense 09.

Sporestalks in spring. Tammisaari archipelago, Finland. Wild. 2005-05-05.

Equisetum arvense L.
Engl.: field horsetail, common horsetail, corn horsetail, horsetail, horsetail grass, horsetail weed, shave grass.
Deu.: Acker-Schachtelhalm, Scheuerkraut, Zinnkraut.
Suom.: peltokorte.
Sven.: åkerfräken, rävrumpa, vanlig åkerfräken.
Ital.: equiseto.
Bot. syn.: Equisetum calderi Boivin