![LONDON - OCTOBER 25: Fungi grow on the trunk of a tree in Epping Forest on October 25, 2008 in London, England. With around 1,200 different species of fungi, Epiing Forest is one of the richest fungal sites in the UK. (Photo by Dan Kitwood/Getty Images)](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/VQAMJP4ONFB37YTTFKR7UWLB4A.jpg?smart=true&auth=484e791f20df4d2a92d2b622b6838b66dca3876604469c91fd14bcfba1ddea98&width=400&height=225)
Fungi are already being used to generate energy. Getty
Fungi are already being used to generate energy. Getty
Invasive weeds could be key source of bioenergy
Researchers believe it could help address electricity shortages in developing countries