Thuja occidentalis L.

Northern whitecedar · Cupressaceae

Common names: American arborvitae, Eastern arborvitae, Eastern white cedar, Eastern whitecedar, Northern white-cedar.

Thuja occidentalis, also known as northern 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.