To copy the Unturned ID for Mushroom, simply click the "Copy" button to the right.
To copy the command for Mushroom on Unturned servers, simply click the "Copy" button to the right.
You also customize the command by specifying a steam ID or player name, and an amount.
The mushroom is one of many miscellaneous in Unturned. It takes up 0 inventory slot, is of the common rarity and weighs 0.