Sauternes (wine) Château d'Yquem, can be very expensive, due largely to the very high cost of production. Barsac lies within Sauternes, and is entitled to use either name. Somewhat similar but less expensive and typically less-distinguished wines are produced in the neighboring regions of Monbazillac, Cérons, Loupiac and Cadillac. In the United States, there is a semi-generic label for sweet white dessert wines known as "sauterne" without the "s" at the end and uncapitalized. As in most of France, viticulture is believed to have been introduced into Aquitania by the Romans. The earliest evidence of sweet wine production, however, dates only to
California wine improved. Beringer was one of the first to create a botrytized wine from Sauvignon blanc and Sémillon. Though unlike in Sauternes, Beringer's wine was made of grapes regularly harvested and then introduced at the winery to "Botrytis cinerea" spores created in a laboratory. Since then California winemakers in places like the Anderson Valley AVA have found vineyards where this noble rot can occur naturally on the grapes. The Anderson and Alexander Valley AVAs have also developed a reputation for their Late Harvest wines made from Riesling. Several French and Italian style Muscat wines are produced throughout California and are known