Rubus rossbergianus

Rubus rossbergianus is an uncommon North American species of flowering plant in the rose family. It grows in northeastern United States (Connecticut, Rhode Island, Massachusetts, Vermont).[1][2]

Rubus rossbergianus
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Rubus
Species:
R. rossbergianus
Binomial name
Rubus rossbergianus
Blanch. 1907

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.[3] Some studies have suggested that R. rossbergianus may have originated as a hybrid between R. flagellaris and R. pensilvanicus. [4]

References
  1. Biota of North America Program 2014 county distribution map
  2. Blanchard, William Henry 1907. Rhodora 9(97): 7–8
  3. Flora of North America, Rubus Linnaeus, 1754. Bramble
  4. Flora of North America, Rubus pensilvanicus Poiret 1804. Pennsylvania blackberry, ronce de Pennsylvanie


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