The Schenectady County Flora Project

Equisetum arvense Common or Field Horsetail

Common on roadsides, waste places, in fields and along railroads.  Collins Lake, Baim 642; Cotton Factory Hollow, Baim 332; Plotterkill, Baim 6894.  Forma pseudo-sylvaticum Milde, in wet gravel along streams and in damp shady places.  Cotton Factory Hollow, Baim 2422; Wolf Hollow, Baim 3142.  Forma varium Milde, Rotterdam along the Mohawk River, Baim 5103; Woodlawn, Baim 5153.

Equisetum sylvaticum Wood Horsetail

In rich, moist woods and in springy places on wooded slopes of ravines.  Schenectady, Dr. Allen Dedrick, May 21, 1845 (La); Woodlawn in swamps, Baim and Smith 3778; Plotterkill, Baim 425; Cotton Factory Hollow, Baim 1686.

Equisetum fluviatile Swamp Horsetail

In shallow water along the shore of the Mohawk River and along the borders of Mariaville, Featherstonehaugh and Collins Lakes. Collins Lake, Baim 428; Collins Lake, Muenscher and Curtis 410 (CU).

Equisetum hyemale ssp. affine Scouring Rush

Locally abundant in wet or dry soil. Roadsides, railway embankments and waste grounds.  Infrequently in woods.  Forma polystachyum Prager, Rotterdam on damp hillside, Baim 2230.  Forma pumilum (Eat.) Vict., in woods, Stanford Heights, Baim 3722.

Equisetum variegatum Variegated Horsetail

Locally abundant in wet depression, south side of railroad west of the Plotterkill, Baim 429; in sand pit, South Schenectady, Baim 3909; Cotton Factory Hollow, Baim 1062.

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