What level does ivysaur learn moves?

Assuming it evolved at level 16 like normal... For Red/Blue/Yellow: 22: Poison Powder 30: Razor Leaf For Gold/Silver/Crystal/Ruby/Sapphire/Emerald/Fire Red/Leaf Green: 22: Razor Leaf 29: Sweet Scent For Diamond/Pearl/Platinum: 20: Razor Leaf 23: Sweet Scent 28: Growth 31: Double-Edge Evolve at 32 to Venusaur