Are mushroom-growing kits seeding a biodiversity crisis across Europe?
What began as a seemingly harmless and delicious hobby may have released an invasive species across the continent. Experts fear that these desirable fungi, now classed in the UK as "high risk", could radically reshape forest ecosystems.

<p>What began as a seemingly harmless and delicious hobby may have released an invasive species across the continent. Experts fear that these desirable fungi, now classed in the UK as "high risk", could radically reshape forest ecosystems.</p>