Long term studies of yeast species diversity in the vineyards of the Republic of Dagestan using var ious isolation techniques and various substrates in the vertical tier dynamics revealed 38 species. The most diverse species complex including ~80% of the isolated species was formed on the berries. A list of 160 yeast species isolated from grapes, spontaneously fermented fresh juice, and other vineyard substrates was compiled using the results of the present work and the literature data on yeast occurrence. Analysis of generalized data revealed considerable similarity in the taxonomic composition of yeasts from different countries and conti nents and made it possible to shift from the genus to the species characterization of the grape associated yeast community.

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