Loose Mushrooms

 are food items harvested from Mushrooms with a spade. Loose mushrooms can be planted in holes to grow new mushrooms.

Loose Mushrooms are tier 1 food for Colonists as they are, or they can be crafted into higher tier food items.

How to use
To avoid a situation where your farming bots run out of loose mushrooms to replant, they can be programmed to handle planting first and only store the remainder: