Their models showcased a range of plant specimens. In total, up to 164 taxonomic families and a diversity of plant part morphologies, including flowers, leaves, fruits, and roots, were created. Some were shown during pollination by insects; others were diseased in various ways. Goodale noted that the activity of the Blaschkas was "greatly increased by their exclusive devotion to a single line of work." Writing for the Annual reports of the President and Treasurer of Harvard College 1890-1891 :