Wormoss, Twivine, and Thoromp

-Wormoss (baby) Grass type
Notable Moves-tackle, tailwhip, razorleaf, vinewhip

-Twivine (level 14) Grass/Flying type
Notable Moves-vinewhip, slash, magical leaf
Can learn-solarbeam, fly, cut

-Thoromp (level 32) Grass/Flying type
Notable Moves-stomp, magnitude, earthquake, giga drain, leafblade, leafstorm
Can learn-solarbeam, fly, cut, frenzyplant


basically its a worm that can turn into a flying tree!