Two of these species are native to North America, Thuja occidentalis and Thuja plicata, the latter of which is commonly referred to as the Pacific or western red cedar and is the largest Thuja ...

Apart from the American arborvitae, there are other species such as the western red-cedar or giant arborvitae (Thuja plicata) and the deerhorn cedar or false arborvitae (Thujopsis dolabrata).