WordNet sense 1 (small prostrate or ascending shrub having scarlet flowers and succulent fruit resembling cranberries; sometimes place in genus Styphelia):

groundberry, cranberry heath, native cranberry

WordNet sense 2 (creeping shrub of eastern North America having white bell-shaped flowers followed by spicy red berrylike fruit and shiny aromatic leaves that yield wintergreen oil):

wintergreen, checkerberry, teaberry, creeping wintergreen, mountain tea