 Other local or indigenous grapes include Baratuciat, Bonarda, Croatina, Erbaluce, Freisa, Grignolino, Grisa nera, Malvasia nera, Pelaverga, Plassa, Rossese bianco, Timorasso, Uvalino, Uva Rara and Vespolina.The Piedmont produces more DOCG wines by volume than any other Italian wine region with nearly 84% of all the areas wine production falling under a DOCG designation.The area has no "Indicazione Geografica Tipica" (IGT) classification, in contrast to Tuscany where IGT wines or Super Tuscans make up a significant portion of that region's wine production.