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'''Mixed cultures ''' contain 2 or more different genera from each of these genera of organisms: [[Lactobacillus]], [[Pediococcus]], [[Brettanomyces]], and [[Saccharomyces]] (see each of the previous links for commercially available pure cultures of these organisms). ''(Note: this definition is partly determined by the structure of this wiki. All of the commercial cultures are separated by genus rather than species on this wiki. Technically, any culture that contains more than one species could be called a "mixed culture". However, for the purposes of organizing the charts of commercially available microorganisms by genus, for now the above is the definition of a "mixed culture".)''