You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Alger Remove constraint Place: Alger Place N of Grand Sable Lake. Burt township. Remove constraint Place: N of Grand Sable Lake. Burt township. Topic Equisetaceae Remove constraint Topic: Equisetaceae Topic Equisetum Remove constraint Topic: Equisetum Topic Polypodiopsida Remove constraint Topic: Polypodiopsida