Mushroom development involves several distinct biological stages.
Colonisation: Mycelium establishes itself throughout an available growing medium.
Fruiting: Under suitable species-specific conditions, mature mycelium may begin forming mushroom fruiting bodies.
Pinning: Tiny structures develop into recognisable young mushrooms.
Maturity: Fruiting bodies continue developing until they reach maturity.
For a more detailed explanation, read our Mushroom Grow Kit Timeline: What to Expect at Every Stage.