You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Oak openings (near Toledo)-along Wabash RR, btwn Wilkins and Gerdham Rds Remove constraint Place: Oak openings (near Toledo)-along Wabash RR, btwn Wilkins and Gerdham Rds Place Ohio Remove constraint Place: Ohio Place USA Remove constraint Place: USA Topic Osmunda Remove constraint Topic: Osmunda Topic Osmundaceae Remove constraint Topic: Osmundaceae Topic Polypodiopsida Remove constraint Topic: Polypodiopsida