Source: Kurtto, A. (2009+): Rosaceae (pro parte majore). In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Chaenomeles in Trans. Linn. Soc. London 13: 97. 1822, nom. cons.
Euro+Med: France, with Channel is. and Monaco (Channel islands introduced: doubtfully introduced (perhaps cultivated only)); Great Britain introduced; Hungary cultivated; Italy, with San Marino and Vatican City casual; Poland cultivated; Slovakia cultivated; Ukraine, with Crimea cultivated