Frangula alnus Mill.
Family: Rhamnaceae
glossy buckthorn,  more...
Frangula alnus image
Paul Rothrock  
From Flora of Indiana (1940) by Charles C. Deam
Freely escaping about Interlaken in La Porte County. First reported by J. A. Nieuwland. In 1938 S. W. Witmer of Goshen College found a colony about 15 feet high in low, mucky soil in sec. 34 about 2 miles north of Goshen, Elkhart County.