Photo: Equisetum fluviatile 1.

Closeup of green stems. Kullaa, Finland. Wild. 2000-06-09.

Equisetum fluviatile L.
Engl.: water horsetail, great horsetail, river horsetail, swamp horsetail.
Deu.: Teich-Schachtelhalm.
Suom.: järvikorte.
Sven.: sjöfräken, dyfräken.
Bot. syn.: Equisetum limosum L.