Equisetum fluviatile

Water horsetail
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Division:	Polypodiophyta
Class:	Polypodiopsida
Subclass:	Equisetidae
Order:	Equisetales
Family:	Equisetaceae
Genus:	Equisetum
Subgenus:	E. subg. Equisetum
Species:	E. fluviatile
Binomial name
Equisetum fluviatile L.
Synonyms[1]
List Equisetum fluviatile var. attenuatum (Milde) A.A.Eaton Equisetum fluviatile f. attenuatum (Milde) Vict. ex Dutilly & Lepage Equisetum fluviatile var. brachycladon (Döll) A.A.Eaton Equisetum fluviatile var. intermedium A.A.Eaton Equisetum fluviatile var. leptocladon (Döll) A.A.Eaton Equisetum fluviatile var. limosum (L.) Farw. Equisetum fluviatile f. limosum (L.) Satou Equisetum fluviatile f. linnaeanum (Döll) M.Broun Equisetum fluviatile f. minus M.Broun Equisetum fluviatile f. natans (Vict.) M.Broun Equisetum fluviatile var. polystachium (Brückn.) A.A.Eaton Equisetum fluviatile f. polystachium (Brückn.) M.Broun Equisetum fluviatile f. uliginosum (Muhl. ex Willd.) Macloskie & Dusén Equisetum fluviatile var. verticillatum (Döll) A.A.Eaton Equisetum limosum L. Equisetum limosum var. attenuatum Milde Equisetum limosum f. brachycladon Döll Equisetum limosum var. candelabrum Hook. Equisetum limosum var. leptocladon Döll Equisetum limosum f. leptocladon Döll Equisetum limosum f. linnaeanum Döll Equisetum limosum var. minus A.Braun ex Engelm. Equisetum limosum f. minus Döll Equisetum limosum f. natans Vict. Equisetum limosum f. polystachium (Brückn.) Luerss. Equisetum limosum var. polystachyum A.Braun ex Engelm. Equisetum limosum var. verticillatum Döll Equisetum majus Schinz & Thell. Equisetum polystachium Brückn. Equisetum uliginosum Muhl. ex Willd.

Equisetum fluviatile, the water horsetail or swamp horsetail, is a vascular plant in the horsetail family Equisetaceae. It is a perennial herbaceous pteridophyte that reproduces using spores.