Henry Jephson was wandering around the countryside near Bristol during a Covid lockdown when his eye was caught by the ghostly appearance of a lion’s mane mushroom, its shaggy fronds hanging across a tree trunk.

Jephson, the head of research at the Bristol Fungarium, knew he was looking at something rare and special. A staple of traditional Chinese medicine, the lion’s mane is also native to the UK, but is under threat. The “absolutely enormous” specimen spotted by Jephson was the first to be seen in south-west England in eight years.

Little did he know then that the fungus would change the focus of Jephson’s work. He is now working with Natural England and the Royal Horticultural Society (RHS) to get native mushrooms back into England’s woodlands. He helps run a mushroom farm, which has pivoted from growing oyster and shiitake mushrooms for restaurants, to conserving native fungi and creating health supplements from them.