You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Wayne Remove constraint Place: Wayne Place Wm. P. Holliday Park, Cowan section. Remove constraint Place: Wm. P. Holliday Park, Cowan section. Topic Ophioglossales Remove constraint Topic: Ophioglossales Topic Polypodiopsida Remove constraint Topic: Polypodiopsida