Red spruce occurs from Cape Breton Island, Nova Scotia, and New Brunswick, west to Maine, southern Quebec, and southeastern Ontario, and south to central New York, northeastern Pennsylvania, northern New Jersey, and northeastern Massachusetts. Its range extends south in the Appalachian Mountains of extreme western Maryland, eastern West Virginia, northern and western Virginia, western North Carolina, and eastern Tennessee .
- 48. Little, Elbert L., Jr. 1979. Checklist of United States trees (native and naturalized). Agric. Handb. 541. Washington, DC: U.S. Department of Agriculture, Forest Service. 375 p.