Mushroom growers spark environmental catastrophe fears over aggressive 'alien' fungi
![Mushroom growers spark environmental catastrophe fears over aggressive 'alien' fungi](https://i2-prod.dailystar.co.uk/incoming/article32940595.ece/ALTERNATES/s615/0_alienfungi.jpg)
.We are still learning much about the world of fungi, so introducing alien spawn into your garden by accident could unlock many issues, just as we have learned with invasive plants'