Rubus immanis is a rare North American species of flowering plant in the rose family. It has been found only in the state of North Carolina in the eastern United States.Ashe, William Willard. 1903. Journal of the Elisha Mitchell Scientific Society 19(1): 8–9.
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 Some studies have suggested that R. immanis may have originated as a hybrid between R. allegheniensis and R. canadensis. Flora of North America, Rubus allegheniensis Porter, 1896. Allegheny or common blackberry, sow-teat berry, ronce des Alléghanys
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