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Symphytum spp.

Boraginaceae

Comfrey, Knit-bones


We have information from several sources:

Simon, J.E., A.F. Chadwick and L.E. Craker. 1984. Herbs: An Indexed Bibliography. 1971–1980.

Handbook of Energy Crops—James A. Duke. 1983. unpublished

Sievers, A.F. 1930. The Herb Hunters Guide. Misc. Publ. No. 77. USDA, Washington DC.

Comfrey: Alternative Field Crops Manual, University of Wisconson Cooperative Extension Service, University of Minnesota Extension Service, Center for Alternative Plant & Animal Products


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