1. Department of Biology, University of Turku, Turku, Finland
2. Herbarium, Biodiversity Unit, University of Turku, Turku, Finland
3. Archaeological Museum, University of Stavanger, Stavanger, Norge
4. IFM Biology, Linköping University, Linköping, Sweden
5. Nordiska Museet, Swedish Museum of Cultural History, Stockholm, Sweden
6. The Archaeological Research Laboratory, Department of Archaeology and Classical Studies, Stockholm University, Stockholm, Sweden