Swenson, Kim. 1999. Heracleum mantegazzianum invasion in Sweden, Ireland, and Scotland. Restoration and Reclamation Review 4(2).
Heracleum mantegazzianum invasion in Sweden, Ireland, and Scotland.
University of Minnesota, Department of Horticultural Science.
Retrieved from the University of Minnesota Digital Conservancy,
Content distributed via the University of Minnesota's Digital
Conservancy may be subject to additional license and use
restrictions applied by the depositor.