Rubus conanicutensis called the Conanicut Island blackberry,Tree of Life, Rubus L., 1753 is a rare North American species of flowering plant in the rose family. It has been found only in the State of Rhode Island in the northeastern United States;Biota of North America Program 2014 county distribution mapBailey, Liberty Hyde. 1932. Gentes Herbarum; Occasional Papers on the Kinds of Plants 5(9): 801, 804, figure 369 particularly, on its namesake island, Conanicut Island] in Narragansett Bay, which is part of the town of Jamestown, Rhode Island.
The genetics of Rubus is extremely complex, so that it is difficult to decide on which groups should be recognized as species. There are many rare species with limited ranges such as this. Further study is suggested to clarify the taxonomy.Flora of North America, Rubus Linnaeus, 1754. Bramble
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