You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Backbone State Park, Maquoketa River valley and adjacent bluffs, north of Dundee Remove constraint Place: Backbone State Park, Maquoketa River valley and adjacent bluffs, north of Dundee Place Iowa Remove constraint Place: Iowa Topic Fungi Remove constraint Topic: Fungi Topic Graphis Remove constraint Topic: Graphis