Candidiasis is commonly called thrush. It is a yeast infection caused by Candida. The classification of Candida is: Kingdom: Fungi, Class: Saccharomycetes, Order: Saccharomycetales, Family: Saccharomycetaceae, and Genus: Candida.

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.

W. B. Grove has written:

'A synopsis of the bacteria and yeast Fungi and allied species (Schizomycetes and Saccharomycetes)' -- subject(s): Saccharomycetaceae, Schizomycetes, Classification, Yeast, Bacteriology, Bacteria, Fungi

'British stem- and leaf-Fungi (Coelomycetes)' -- subject(s): Fungi, Fungi imperfecti, Sphaeropsidales

'A pocket synopsis of the families of British flowering plants' -- subject(s): Botany

Kingdom - Fungi

Phylum - Ascomycetes

Class - Saccharomycetes

Order - Saccharomycetales

Family - Saccharomycetaceae

Genus - Saccharomyces

Species - cerevisiae