Scientists from Israel’s Ben Gurion University have developed a successful method for cultivating the sought-after desert truffle (Terfezia Leonis fungus). They discovered the symbiotic relationship between the truffle and its host plant and are now producing up to 150kg per hectare.
https://nocamels.com/2019/04/rare-israel-cultivate-desert-truffles-worth-more-than-uranium/
https://www.calcalistech.com/ctech/articles/0,7340,L-3733326,00.html