You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Gray Botanic Garden, Cambridge [top label]; Boston (Cambridge Botanic Garden) [bottom label] Remove constraint Place: Gray Botanic Garden, Cambridge [top label]; Boston (Cambridge Botanic Garden) [bottom label] Place Middlesex Remove constraint Place: Middlesex Place North America Remove constraint Place: North America Topic Plantae Remove constraint Topic: Plantae