1) Cleared 2) Descriptive of the steppes 3) Like a savanna 4) Like a tundra 5) Like much of northern Siberia 6) Like steppes 7) Like The Steppes 8) Like the tundra 9) Like tundras 10) Not wooded 11) Unforested 12) Untimbered 13) Unwooded Found on https://www.crosswordclues.com/clue/treeless