Eleven New Species of the Genus (Tarzettaceae, Pezizales) from Mexico.

The genus is distributed mainly in temperate forests and establishes ectomycorrhizal associations with angiosperms and gymnosperms. Studies on this genus are scarce in México. A visual, morphological, and molecular (ITS-LSU) description of , , , , , , , , , , and was carried out in this work, associated with , , and .