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 Manitoulin Remove constraint Place: Manitoulin Place Manitoulin Island, Robinson Twp., Hwy. 540 jct with rd. to Silver Lake Remove constraint Place: Manitoulin Island, Robinson Twp., Hwy. 540 jct with rd. to Silver Lake Topic Myriophyllum Remove constraint Topic: Myriophyllum