highland, highland(a), upland

highlands, uplands, lowlanders, montane, altiplano, greenland, plains, paramo, highlanders, heaths, tadpole shrimp, shrubland, corncrakes, mesic, mallee fowl, saltbush, bunchgrass, driftless, seacoasts, tussocks, plateaux, riversides, semidesert, tablelands, savanna, moorlands, rivers, faunas, shrikes, altitudinal, orinoco river, common scoter, sierra morena, lowveld, stringybark, deltaic, rocky mountain bighorn, grassland, siskins, ladino, headwater, capercaillie, azolla, pikas, whooper swan, sandier, biome, soils, hawkweed, pasturage, annamite, deforest, altai mountains, sharptail, semiarid, saxifrage, foothills, pampas, brushland, linnets, riparian forest, tarns, cordillera, gran chaco, mopane, drumlin, blister rust, tussock grass, tundras, hillsides, reed bunting, rhodope mountains, arid, foxtail barley, inland, coastlands, timberline, johnsongrass, tenasserim, garrigue, hills, fastnesses, larches, bobwhites, holm oak, machair, villages, biting midge, landrace, muntjac, sawatch, valleys, limber pine, pastureland, ucayali, passerines, hogback, fens, ecotypes, arable, pine marten, woodlark, lowlands, plain, flatlands, savannas, upland, floodplains, savannahs, floodplain, grasslands, basin, tableland, plateau, prairie, savannah, reef, southeast, steppe, dryland, amazonian, irrigated, sahelian, riverine, subarctic, andean, coastal, rainfed, unirrigated, alpine, iroquoian, saharan, subalpine

landfill

balsa, grass fern, low countries, mucky, ochroma lagopus, ribbon fern, saxon, vittaria lineata

depression, natural depression

low-lying, sea-level