]> Botany [collector note: Herbarium of the Arnold Arboretum, Harvard University. Delaware] Canby, William Marriott & Otis, Rev. John Pickering Canby, William Marriott & Otis, Rev. John Pickering W. M. Canby & J. P. Otis Canby, W. M. & Otis, J. P. William Marriott Canby & Rev. John Pickering Otis