Tuscan-Corsican: group of dialects spoken in the Italian region of Tuscany, and the French island of Corsica.

Northern Tuscan dialects:
Florentine is spoken in the city of Florence, and was the basis for Standard Italian.

Other dialects: Pistoiese; Pesciatino or Valdinievolese; Lucchese; Versiliese; Viareggino; Pisano-Livornese.

Southern Tuscan dialects:
Dialects of Aretino-Chianaiolo, Senese, Grossetano.

Corsican, spoken on Corsica, is thought to be descended from Tuscan.

Gallurese and Sassarese, spoken on the northern tip of Sardinia, can be considered either dialects of Corsican or Corso-Sardinian transitional varieties.
Tuscan-Corsican: group of dialects spoken in the Italian region of Tuscany, and the French island of Corsica.
Northern Tuscan dialects:
Florentine is spoken in the city of Florence, and was the basis for Standard Italian.
Other dialects: Pistoiese; Pesciatino or Valdinievolese; Lucchese; Versiliese; Viareggino; Pisano-Livornese.
Southern Tuscan dialects:
Dialects of Aretino-Chianaiolo, Senese, Grossetano.
Corsican, spoken on Corsica, is thought to be descended from Tuscan.
Gallurese and Sassarese, spoken on the northern tip of Sardinia, can be considered either dialects of Corsican or Corso-Sardinian transitional varieties.
Italo-Dalmatian languages