Tundra vegetation is composed of dwarf shrubs, sedges and grasses, mosses, and lichens. Dominant vegetation in bogs are shrubs, sedges, and grasses. Common examples include cattails, sedges, papyrus and sawgrass. It is composed mainly of wetland vegetation&colon; principally bog plants including mosses, sedges, and shrubs. In higher elevations, they predominantly eat grasses, sedges, and forbs. Ecological communities dominated by sedges are known as sedgelands or sedge meadows. Bison are largely grazers, eating primarily grasses and sedges. Herbivores, banteng feed on vegetation such as grasses, sedges, shoots, leaves, flowers and fruits. Other plant material includes grasses, sedges and tubers. The wettest areas support sedges and forbs. Grasses, sedges, and sunflowers were also common. A variety of wildflower species, sedges, and grasses inhabit these fragile wet areas. Wombats are herbivores; their diets consist mostly of grasses, sedges, herbs, bark, and roots. Adults feed primarily on sedges, grasses and moss. Like most macropods, quokkas eat many types of vegetation, including grasses, sedges and leaves.