''Rubus noveboracus'' is an uncommon North American species of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

in the rose family. It grows in the northeastern and north-central United States (

New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...

Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...

) and eastern Canada (

Québec Quebec ( ; )According to the Government of Canada, Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is ...

). 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. Some studies have suggested that ''R. noveboracus'' may have originated as a hybrid between '' R. allegheniensis'' and '' R. pensilvanicus. ''Flora of North America, ''Rubus pensilvanicus'' Poiret 1804. Pennsylvania blackberry, ronce de Pennsylvanie
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References

noveboracus Plants described in 1947 Flora of Quebec Flora of the Northeastern United States Flora without expected TNC conservation status {{Rubus-stub