User blog comment:Uselessguy/Guess Levels in the whole series/@comment-25154254-20150223092305/@comment-24828059-20150224134144

I was wrong. Tile Turnip appears in more than one conveyor-belt level. My actual answer will be:

Level 2 - 10 (Scaredy-shroom and Doom-shroom)

Level 4- 10 (Sea-shroom)