Is the polyploid cranberry (Vaccinium sp.) in Finland tetraploid or hexaploid?

citotaxonomia cytotaxonomie cytotaxonomy fertilidad fertilite fertility finland finlande finlandia hexaploidia hexaploidie hexaploidy meiose meiosis seed dispersal tetraploidia tetraploidie tetraploidy vaccinium macrocarpon vaccinium oxycoccus vaccinium uliginosum vaccinium vitis-idaea