Salveyo weed

In the Animé

In the Pokémon animé, salveyo weed is a weed that only grows on clear lake bottoms. Poliwag are known to eat this weed. Misty used it to cure Ash and Tracey of a stun spore poisining from a Vileplume in EP110. With the help of a friendly Poliwag of course. Who eventually became her Politoed.