Not (only) poison pies - (Agaricales, Hymenogastraceae) in Mexico.

The species of have been little studied in Mexico, but have received attention as edibles and in trials to enhance production of edible fungi and tree growth through inoculation of seedlings with ectomycorrhizal fungi. Here we describe three new species of that are currently known only from Mexico. These species belong to separate sections of the genus: is a member of H.sect.Hebeloma, belongs to H.sect.Theobromina, while belongs to H.sect.Denudata. All three species were collected from subtropical pine-oak woodland; all records of came from altitudes above 2500 m. is commonly sold in the local markets of Tlaxcala as a prized edible mushroom. An additional nine species are reported from Mexico, of which eight are new records for the country: , , , , , , and . First modern descriptions of and , originally described from the USA, are given here.