From Bulbapedia, the community-driven Pokémon encyclopedia.
Chikorita has been featured on 13 different cards since it debuted in the Neo Genesis expansion of the Pokémon Trading Card Game. Chikorita cards are normally Grass-type Basic Pokémon. In Japan, Chikorita was featured in the Chikorita Half Deck and Chikorita Side Deck of the Intro Pack Neo released in April 2001.
List of Pokémon cards featuring Chikorita