» The unrelated medicinal tree Cascara or chitticum also has "Bearberry" as one of its common names. Also the "American Cranberry" (Vaccinium macrocarpon) is sometimes confused as the "Bearberry". Bearberries are three species of dwarf shrubs in the genus Arctostaphylos. Unlike the other species of Arctostaphylos (see Manzanita), they are adapted to Arctic and sub-Arctic climates, and have a circumpolar distribution in northern North America, Asia and Europe, one with a small highly disjunct po… (More on Bearberry)