The Pokémon in Pokémon White that are capable of evolving via the use of the Leaf Stone are Gloom which evolves into Vileplume, Exeggcute which evolves into Exeggutor, Weepinbell which evolves into Victreebel, Nuzleaf which evolves into Shiftry and Pansage which evolves into Simisage.
pansage
EVERY ONE SAYS PANSAGE BUT NO THERES MORE IF YOU BEAT THE GAME LIKE SUNKERN!!
pansear
eevee,
Pansage will evolve by using a Leaf Stone into Simisage.
Vaperon i think.
Munna into Musharnna
nidorino nidorina jigglypuff clefairy evolve.
Petilil will evolve with a sun stone, pansage with a leaf stone, panpour with a water stone, and pansear will evolve with a fire stone.
Happiny
Roselia Togetic Muccino
Evolve it using an Thunder Stone.
Lilligant
Moon Stone.