The White Spruce is also known as Canadian Spruce, Eastern Spruce, Black Hills Spruce, Skunk Spruce, Cat Spruce, Engelmann Spruce The White Spruce is a large tree with a narrow crown The White Spruce is often confused with the Engelmann Spruce Known as Interior Spruce in the central Interior where it interbreeds with Engelmann Spruce Twigs have no hairs The White Spruce is shallow rooted so can be easily blown over Downed trees are perfect breeding sites for the spruce beetle which can kill hectares of mature trees