Contains 12 accepted taxa overall.

Characteristics
Equisetum L.
HORSETAIL
Classification
Equisetophya - Horsetails
Equisetopsida
Equisetidae
Equisetales
Equisetum
Citation
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TYPE: Equisetum arvense Linnaeus Lectotypified by Pichi Sermolli, Webbia 179. 1971, superseding the lectotypification by Britton & Brown, Ill. Fl. N. U.S., ed. 2. 1: 39. 1913 (Equisetum fluviatile Linnaeus); see also Farwell, Mem. New York Bot. Gard. 6: 4
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Equisetum arvense Common horsetail, Field horsetail Native FAC (NWPL)
Equisetum ferrissii-x [E. hyemale var. affine x E. laevigatu Joliet horsetail; Ferriss's horsetail Native FACW (NWPL)
Equisetum fluviatile Pipes; Water horsetail Native OBL (NWPL)
Equisetum hyemale Tall scouring rush Native FACW (NWPL)
Equisetum hyemale var. affine Tall scouring rush, Common scouring rush Native
Equisetum laevigatum Smooth scouring rush Native FACW (NWPL)
Equisetum litorale x [E. arvense x E. fluviatile] Shore horsetail Native OBL (NWPL)
Equisetum mackaii-x [E. hyemale x E. variegatum] Rough-toothed scouring-rush Native FACW+ (NWPL)
Equisetum nelsonii-x [E. laevigatum x E. variegatum] Nelson's horsetail; Nelson's scouring-rush Native FAC+ (NWPL)
Equisetum sylvaticum Woodland horsetail Not Native FACW (NWPL)
Equisetum variegatum Small scouring rush Native Endangered-State FACW (NWPL)
Equisetum variegatum var. variegatum Variegated scouring rush, Variegated horsetail Native Endangered-State
Identification Key

No identification key is available for this family.

Genus Synonyms
Synonym Full Citation Basionym Type
No synonyms found.