Scotch pine and Norway spruce, but also contain birch, alder, aspen, and mountain ash. Wild berries, such as blueberries, cranberries, and cloudberries, grow in most woodland areas. In the far north and at high elevations are tundra regions. The tundra is a treeless heath, with vegetation consisting mainly of hardy dwarf shrubs and wildflowers.Reindeer, polar foxes, polar hare, wolves, wolverines, and lemmings are common in the north and in the higher mountain areas. Elk, deer, foxes, otters, and marten are found in the south and southeast. Both freshwater and saltwater fishes abound. Salmon, trout, grayling, perch, and pike are common in the streams and lakes. Herring, cod, halibut, mackerel, and other species inhabit coastal waters.