Mushroom

The Mushroom is an item appearing in several Zelda games in many different forms.

A Link to the Past

In A Link to the Past, a mushroom can be found in the Lost Woods. Link can then take said item to the Magic Shop, where the witch Syrup can utilize it's nutrients to concoct a substance known as Magic Powder.

Link's Awakening

Main article: Sleepy Toadstool

The Sleepy Toadstool is an item in Link's Awakening that can be found in the Mysterious Woods. Like in A Link to the Past, Link can take it to Syrup for Magic Powder.

Ocarina of Time

Main article: Odd Mushroom

The Odd Mushroom in Ocarina of Time is a part of the Trading Sequence. Link receives it from the boy in the Lost Woods, and he asks him to take it to Granny at her shop. She uses it to make the Odd Potion.

Majora's Mask

Main article: Magic Mushroom

In Majora's Mask, Magic Mushrooms can be found using the Mask of Scents. They can then sold at the Magic Hags' Potion Shop to make Blue Potion.

Oracle of Seasons

The Mushroom of Oracle of Seasons is once more part of the the Trading Sequence. Link receives it on Mt. Cucco from Talon, and he can trade it to Syrup for the Wooden Bird.

There are also Rock Mushrooms that can only be picked in fall.

The Minish Cap

Main article: Wake-Up Mushroom

The Wake-Up Mushroom of The Minish Cap can be bought from Syrup at her hut in Minish Woods for 60 Rupees. It will awaken Rem.

Skyward Sword

Skyward Sword's mushrooms are found only in the Faron Woods and Skyview Temple. Link can hit them with his sword to carve in temporary slashes. When hit, they produce Mushroom Spores that can be trapped in a bottle. Sometimes the mushrooms will glow slightly, so that Link can collect Glittering Spores from around them instead.