Poison Type 1

23EkansPoison
24ArbokPoison
29Nidoran♀Poison
30NidorinaPoison
31NidoqueenPoisonGround
32Nidoran♂Poison
33NidorinoPoison
34NidokingPoisonGround
41ZubatPoisonFlying
42GolbatPoisonFlying
88GrimerPoison
89MukPoison
109KoffingPoison
110WeezingPoison

Poison Type 2

1BulbasaurGrassPoison
2IvysaurGrassPoison
3VenusaurGrassPoison
13WeedleBugPoison
14KakunaBugPoison
15BeedrillBugPoison
43OddishGrassPoison
44GloomGrassPoison
45VileplumeGrassPoison
48VenonatBugPoison
49VenomothBugPoison
69BellsproutGrassPoison
70WeepinbellGrassPoison
71VictreebelGrassPoison
72TentacoolWaterPoison
73TentacruelWaterPoison
92GastlyGhostPoison
93HaunterGhostPoison
94GengarGhostPoison