You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Lyndon Twp; R3E, T15, marsh to W. of sect. 19. Remove constraint Place: Lyndon Twp; R3E, T15, marsh to W. of sect. 19. Place North America Remove constraint Place: North America Place Washtenaw Remove constraint Place: Washtenaw Topic Ophioglossales Remove constraint Topic: Ophioglossales Topic Polypodiopsida Remove constraint Topic: Polypodiopsida Type still image Remove constraint Type: still image