Oddish, Blitzle, and Swablu's Evolutions

So, Oddish evolves into Gloom at Level 21, and then either Vileplume with a Leaf Stone, or Bellossom with a Sun Stone.  You can find them at White Forest, or Windswept Sky at the Dream World.  Blitzle evolves into Zebstrika at Level 27.  You can find them at Route 3.  Swablu evolves into Altaria at Level 35.  You can find them at Windswept Sky in the Dream World, or you can just breed Altaria, which is at Route 14.