Vaccinium macrocarpon (also called large cranberry, American cranberry and bearberry) is a North American species of cranberry of the subgenus Oxycoccus and genus Vaccinium.
Vaccinium macrocarpon is native to central and eastern Canada (Ontario to Newfoundland), and the northeastern and north-central United States (Northeast, Great Lakes Region, and Appalachians as far south as North Carolina and Tennessee).[3] It is also naturalized in parts of Europe and in scattered locations along the Pacific Coast of North America (from California to British Columbia).