34, see text Terfezia (Berber: Tirfas) is a genus of truffle-like fungi within the Pezizaceae family.

Some authorities consider this the type genus of the family Terfeziaceae,[1] although phylogenetic analysis suggests that it nests within the Pezizaceae.

[3] Israeli agricultural scientists have been attempting to domesticate T. boudieri into a commercial crop.

Terfezia boudieri’s host plant, Helianthemum sessiliflorum, has slim, dark leaves and twigs bearing small yellow flowers.

[4] As of December 2015[update], Index Fungorum accepts 34 species in Terfezia:[5]