Photo: Equisetum palustre 1.

Closeup of stem with sporehead. Liljendal, Finland. Wild. 1996-05-01.

Equisetum palustre L.
Engl.: marsh horsetail.
Deu.: Sumpf-Schachtelhalm.
Suom.: suokorte.
Sven.: kärrfräken