| Norway spruce, Picea abies; weeping spruce, Brewer's spruce, Picea breweriana; Engelmann spruce, Engelmann's spruce, Picea engelmannii; white spruce, Picea glauca; black spruce, Picea mariana, spruce pine; Siberian spruce, Picea obovata; Sitka spruce, Picea sitchensis; oriental spruce, Picea orientalis; Colorado spruce, Colorado blue spruce, silver spruce, Picea pungens; red spruce, eastern spruce, yellow spruce, Picea rubens |