Equisetum laevigatum A. Braun. Smooth Scouring-Rush. Phen: May-Jul. Hab: Moist areas. Dist: QC and BC south to NY, w. PA, s. OH, s. IN, s. IL, AR (Peck 2011), e. TX, NM, AZ, CA, and n. Mexico.
Origin/Endemic status: Native
Syn: = Ar, C, ETx1, FNA2, G, GrPl, Il, K1, K3, K4, Mo1, Sf, TxFerns; > Equisetum hyemale var. intermedium – F; > Equisetum kansanum – F, Tx; > Equisetum laevigatum – Tx
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© Paul Marcum source
© Erik Danielson source
© Erik Danielson source
© Alan Cressler: Equisetum laevigatum, San Pedro River, San Pedro Riparian National Conservation Area, BLM Lands, Cochise County, Arizona 1 by Alan Cressler source
© Paul Marcum source