The Mary Potter crabapple honors the daughter of a director of this type of tree-studying facility at Harvard
[DOC] [TLE] Mary Potter Crabapple - Malus 'Mary Potter' [PAR] In my experience with crabs at the Morton, Mary Potter is one of the most ... in 
1947 in honor of Mary Sargent Potter, daughter of the Arboretum's first director, 
Charles S. Sargent.