thuja occidentalis

Thuja occidentalis, also known as northern white-cedar, eastern white cedar, or eastern arborvitae, is an evergreen coniferous tree, in the cypress family Cupressaceae, which is native to eastern Canada and much of the north, central and upper Northeastern United States, but widely cultivated as an ornamental plant. The species was first described by Carl Linnaeus in 1753, and the binomial name remains current.

Common names include northern whitecedar', eastern whitecedar, swamp cedar, arborvitae, ...