Rubus alumnus

 ( Alumnus ) 

Rubus alumnus is a North American species of Bramble in section Alleghenienses of the genus Blackberry, a member of the Rosaceae. It is native to eastern and central Canada (Ontario, Québec, Nova Scotia) and the eastern and central United States (from Maine south to North Carolina and west as far as Oklahoma, Kansas, and Minnesota). Biota of North America Program 2014 county distribution mapBailey, Liberty Hyde. 1941. Gentes Herbarum; Occasional Papers on the Kinds of Plants 5(1): 82–84, figure 28

• photo of herbarium specimen at Missouri Botanical Garden, collected in Missouri in 1997