Here is a list of all of the powerups in the Super Mario series, and their links.
Bee Mushroom
Big Mushroom
Blimp Fruit
Blue Shell
Boo Mushroom
Boomerang Flower
Boost Star
Bulb Berry
Buzzy Beetle Hat
Cannon Box
Cape Feather
Carrot
Cat Bell
Cloud Flower
Coin Box
Copy Flower
Dash Pepper
Double Cherry
Fire Flower
Frog Suit
Gold Block
Gold Flower
Goomba's Shoe
Goomba Mask
Hammer Suit
Happy Flower
High Heel Goomba's Shoe
Ice Flower
Ice Skate
Invincibility Leaf
Invincibility Mushroom
Light Box
Lucky Bell
Luigi's Cap
Mario's Cap
Mega Star
Metal Cap
Mini Mushroom
Mix Flower
Mystery Mushroom
P-Acorn
P-Wing
Pal Pill
Penguin Suit
Potted Piranha Plant
Power Balloon
Power Flower
Propeller Box
Propeller Mushroom
Rainbow Star
Red Star
Rock Mushroom
Slow Flower
Speed Flower
Spin Drill
Spiny Hat
Spring Mushroom
Statue Leaf
Super Acorn
Super Bell
Super Flower
Super Leaf
Super Mushroom
Super Pickax
Super Star
Tanooki Suit
Vanish Cap
Wario's Cap
Weird Mushroom
Wing Cap
Yoshi's Wings