| Kalahari(noun, area, ecoregion, freshwater, namibia) |
| Kaokoveld desert(expression, territory, area, ecoregion, terrestrial) |
| Kasai(noun, area, ecoregion, freshwater, congo) |
| Lake Chad flooded savanna(expression, area, ecoregion, cameroon, chad) |
| Lake Chilwa(expression, area, ecoregion, mozambique, malawi) |
| Lake Chiuta(expression, area, ecoregion, mozambique, malawi) |
| Lake Turkana(expression, area, ecoregion, kenya) |
| Lerma(noun, area, ecoregion, mexico) |
| Levantine Sea(expression, area, ecoregion, egypt, libya) |
| Llanos El Salado(expression, area, ecoregion, mexico) |
| Llanos de Moxos(expression, area, brazil, ecoregions) |
| Lower Congo(expression, area, ecoregion, freshwater, congo) |
| Lower Congo Rapids(expression, area, ecoregion, congo) |
| Lower Zambezi(expression, area, ecoregion, mozambique, malawi) |
| Madeira-Tapajos moist forests(expression, area, brazil, ecoregions) |
| Magellanic subpolar forests(expression, area, ecoregion, argentina, chile) |
| Marajo varzea(expression, area, brazil, ecoregions) |
| Maranhao Babacu forests(expression, area, brazil, ecoregions) |
| Mato Grosso tropical dry forests(expression, area, brazil, ecoregions) |
| Mediterranean dry woodlands and steppe(expression, territory, area, ecoregion, terrestrial) |