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Equisetum arvense L.
field horsetail, common horsetail
Native
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Equisetum fluviatile L.
river horsetail
Native
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Equisetum hyemale ssp. affine (Engelm.) Calder & Taylor
American scouring rush
Native
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Equisetum pratense Ehrh.
meadow horsetail
Watch-Listed
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Equisetum sylvaticum L.
woodland horsetail
Native
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Equisetum variegatum Schleicher ex Weber & Mohr ssp. variegatum
variegated scouring rush
Watch-Listed
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Equisetum ×litorale Kühl. ex Rupr.
= Equisetum arvense × E. fluviatile
shore horsetail
Native
