Attributes / relations provided by
♦ ¹Prunus mahaleb and Birds: The High-Efficiency Seed Dispersal System of a Temperate Fruiting Tree, Carlos M. Herrera and Pedro Jordano, Ecological Monographs Vol. 51, No. 2 (Jun., 1981), pp. 203-218
♦ ²Biological Records Centre Database of Insects and their Food Plants