You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Isla Royale National Park on north shore of Passage Island. Remove constraint Place: Isla Royale National Park on north shore of Passage Island. Place Keweenaw Remove constraint Place: Keweenaw Place Michigan Remove constraint Place: Michigan Topic Poaceae Remove constraint Topic: Poaceae Topic Trisetum Remove constraint Topic: Trisetum