You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Alger Remove constraint Place: Alger Place North America Remove constraint Place: North America Place On the Petrel Grade and East of the old bridge, approx. 10' south. Remove constraint Place: On the Petrel Grade and East of the old bridge, approx. 10' south. Topic Asparagales Remove constraint Topic: Asparagales Topic Magnoliopsida Remove constraint Topic: Magnoliopsida