You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Greenstone Ridge, within 2 mi of Windigo; Isle Royale National Park Remove constraint Place: Greenstone Ridge, within 2 mi of Windigo; Isle Royale National Park Place Keweenaw Remove constraint Place: Keweenaw Place Michigan Remove constraint Place: Michigan Place USA Remove constraint Place: USA Topic Ophioglossales Remove constraint Topic: Ophioglossales Topic Polypodiopsida Remove constraint Topic: Polypodiopsida Type still image Remove constraint Type: still image