Equisetum x litorale

Beygirkuyruğu

E.arvense x E.fluviatile

Distinguished from E.fluviatile L. [I:32J by its more deeply grooved stems with twice as many green bands, more branches, and loose sheaths with teeth black at apex. Sedge swamp. c. 1930 m

N., W. & C. Europe, Arctic & C. Russia, Siberia, N. America.