| Answer | Crossword Clue |
|---|---|
| pampas | a treeless plain, also PAMPA |
| pampases | PAMPAS, a treeless plain, also PAMPA |
| pampa | a treeless plain, also PAMPAS |
| steppe | a vast treeless plain |
| steppes | STEPPE, a vast treeless plain |
| prairie | a grass-covered treeless plain |
| prairies | PRAIRIE, a grass-covered treeless plain |
| tundra | a level or rolling treeless plain that is characteristic of arctic and subarctic regions, consists of black mucky soil with a permanently frozen subsoil, and has a dominant vegetation of mosses, lichens, herbs, and dwarf shrubs |
