]> Botany [collector note: MIchigan] Wagner, Warren Herbert, Arnold, Chester Arthur, Evans, A. Murray & Kowalski, Donald T. Wagner, Warren Herbert, Arnold, Chester Arthur, Evans, A. Murray & Kowalski, Donald T. W. H. Wagner, C. A. Arnold, A. M. Evans & D. T. Kowalski Wagner, W. H., Arnold, C. A., Evans, A. M. & Kowalski, D. T.