Basidiomycete and ascomycota make up the two large phyla of fungi. The mushrooms that are basidiomycetes have spores that are attached to basidia (those are specialized cells on the spore bearing surface). When spores reach maturity they are flung off of the basidia and float away. They reproduce asexually, except when hyphae are available. Basidiomycetes are mainly consisted of mycelium. There are at least 30,000 species of basidiomycetes that include mushrooms, smuts, rust, and puffballs.