Negreta: a small-sized fruit, with a hard shell, narrower and darker than the common one. This old spanish variety is protected by the designation “Avellana de Reus" since 1997. It is produced on a 21.000-hectares region including Baix Camp, Alt Camp, Tarragonès, Priorat, Conca de Barberà and Terra Alta in Tarragona province.
Pauetet: comparable to Negret in terms of kernel yield, fruit colour and sweet flavour, it is protected by the same designation.
Comunas: encompasse the remaining varieties (Gironell, Morell, Culpa or any other native from Tarragona province).
Spanish natives: `Negret', `Gironell', `Pauetet', `Culplà', `Morell', `Grifoll', `Trenet', Ribet.
Italian cultivars: `Tonda di Giffoni', `Tonda Romana' and `San Giovanni'
Asturian natives: “Casina”, “Quiros”or “Espinaredo”