Vaccinium caespitosum is a plant species commonly known as dwarf bilberry. It is a low-growing, deciduous shrub that produces small, edible berries. There are a few common synonyms for Vaccinium caespitosum, including mountain bilberry, dwarf blueberry, and creeping bilberry. The plant is native to many regions of North America, including Alaska, Canada, and the northeastern United States. It typically grows in heathlands, bogs, and rocky slopes. The berries of Vaccinium caespitosum are a food source for many animals, including birds, bears, and people. The plant is also used in traditional medicine for a variety of ailments, including diarrhea, sore throat, and inflammation.