Illustrated is a short cluster garden blackberry. The fruits are glossy, large, and juicy.
      
      Wild blackberry is the common name of Rubus allegheniensis. It is a long cluster variety. The fruits…
      
      The loganberry is a result of the cross between a wild blackberry and a red raspberry. The fruit is…
      
      Pictured is Linnaeus' sheet of rubus canadensis, Canadian blackberry. It is a thornless blackberry.