Other uses and values
Black spruce is still harvested for Christmas trees, but recently the
amount harvested from natural stands has declined . In the past,
specialty items made from black spruce included healing salves from the
gum, antiscorbutic and diuretic beverages from twigs and needles, and
rope from the roots .
- 55. Safford, L. O. 1974. Picea A. Dietr. spruce. In: Schopmeyer, C. S., ed. Seeds of woody plants in the United States. Agric. Handb. 450. Washington, DC: U.S. Department of Agriculture, Forest Service: 587-597. 
- 65. Viereck, Leslie A.; Johnston, William F. 1990. Picea mariana (Mill.) B.S.P. black spruce. In: Burns, Russell M.; Honkala, Barbara H., technical coordinators. Silvics of North America. Volume 1. Conifers. Agric. Handb. 654. Washington, DC: U.S. Department of Agriculture, Forest Service: 227-237. 
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