text: While some Vaccinium species , such as Vaccinium parvifolium , the Red Huckleberry , are always called huckleberries , other species may be called blueberries or huckleberries depending upon local custom .
simplified: Some Vaccinium species , such as the Red Huckleberry , are always called huckleberries . Other species may be called blueberries or huckleberries in different locations .