In the Monica di Sardegna DOC, wines can be still, semi-sparkling or frizzante, they may be accompanied by other red varieties, although Monica must compose at least 85 percent of the blend.
Monica Grapes

The variety is also used in the more location-specific Monica di Cagliari wines, which are produced in dry and sweet fortified styles. There is no scientific evidence linking the grape to any other known varietal and actually most researchers think that the name Monica is used indiscriminately for any number of unrelated grape varieties grown in Sardinia's vineyards.