Forcella is a white wine grape which was found in a church cloister in Imola, a city in the Emilia-Romagna region of Italy. It is not to be confused with Albana della Forcella (which is a biotype of Albana).
Bibliography
See Dr Ian d’Agata, Native Wine Grapes of Italy (University of California Press, 2014), p.507
Italian Wine Unplugged (Positive Press, 2017), p.250.