Family Equisetaceae Equisetum palustre L.
marsh horsetail Equisetum: Latin for "horsetail" from equus, "horse," and seta, "bristle" palustre: "of marshes" Hazardous
Equisetum palustre L. f. verticillatum Milde
Equisetum palustre L. var. americanum Vict.
Equisetum palustre L. var. americanum Vict. f. luxurians Vict.
Equisetum palustre L. var. palustre
Equisetum palustre L. var. simplicissimum A.Braun