You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Simon Lake, one mile west of Naughton west of Sudbury on ridgetop across road Rt. 17 Remove constraint Place: Simon Lake, one mile west of Naughton west of Sudbury on ridgetop across road Rt. 17 Topic Lichens Remove constraint Topic: Lichens