Which group of micro-organisms does yeast belong to?

Yeast belongs to the Kingdom: Fungi; Kingdom: Fungi; Phylum: Ascomycota; Class: Hemiascomycetes; Order: Sacharomyces; Family: Saccharomycetaceae; and Genus: Saccharomyces. Not sure about the species, though, sorry!

There are also yeast found in Basidiomycota.