Institution: | Arctic Centre, University of Lapland, P.O. Box 122, FIN-96101 Rovaniemi, Finland;Department of Biology/Botany, University of Oulu, FIN-90570 Oulu, Finland;Natural Resources Canada, Canadian Forest Service –Atlantic Forestry Centre, P.O. Box 4000, Fredericton, N.B. Canada E3B 5P7 |