You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Canada Remove constraint Place: Canada Place Centennial Lake, near bridge at mouth of Mackie Creek Remove constraint Place: Centennial Lake, near bridge at mouth of Mackie Creek Place North America Remove constraint Place: North America Place Ontario Remove constraint Place: Ontario Topic Lecanora Remove constraint Topic: Lecanora Topic Lichens Remove constraint Topic: Lichens