You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Michigan Remove constraint Place: Michigan Place Monroe Remove constraint Place: Monroe Place Petersburg, 2 mi NE of; Rutherford's property along Dixon Rd Remove constraint Place: Petersburg, 2 mi NE of; Rutherford's property along Dixon Rd Topic Ophioglossaceae Remove constraint Topic: Ophioglossaceae Topic Plantae Remove constraint Topic: Plantae Topic Polypodiopsida Remove constraint Topic: Polypodiopsida