For example, the entire subgenus Rubus has been called the Rubus fruticosus aggregate, although the species R. The taxonomy of blackberries has historically been confused because of hybridization and apomixis, so that species have often been grouped together and called species aggregates. The blackberry is an edible fruit produced by many species in the genus Rubus in the family Rosaceae, hybrids among these species within the subgenus Rubus, and hybrids between the subgenera Rubus and Idaeobatus. (the subgenus also includes the dewberries)
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