I'm not sure, but learning green generally won't change the characteristics of treasure and dream unless it's really useless. Here are the elves with water storage characteristics in orthodox games.

Mosquito-repellent tadpoles, Vaporeon and Laplacian, dreamed of a family of caged fish, a family of Wooper, a family of flying fish with small balls, a family of Naiya in the desert, a family of round tadpoles, a family of Shaling in the street, a family of lightness, a family of Volcanion and a family of spider drops.