From Bulbapedia, the community-driven Pokémon encyclopedia.
Venusaur has been featured on 18 different cards since it debuted in the Base Set of the Pokémon Trading Card Game. Venusaur cards are normally Grass-type Stage 2 Pokémon. In Japan, Venusaur was featured in the Venusaur/Charizard/Blastoise Half Deck released in April 2004.
List of Pokémon cards featuring Venusaur