Horsetail

Horsetail (Equisetum arvense) Description Equisetum arvense—horsetail or scouring rush—is a perennial pteridophyte (a spore-bearing plant, not a flowering plant) in the Equisetaceae. Widespread across temperate Europe and Asia and naturalized elsewhere, it favors sandy to loamy, moist, often acidic soils along field margins and ditches. It is...