You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Black River at outlet of Black Lake Remove constraint Place: Black River at outlet of Black Lake Place Cheboygan Remove constraint Place: Cheboygan Place Michigan Remove constraint Place: Michigan Place North America Remove constraint Place: North America Topic Alismatales Remove constraint Topic: Alismatales Topic Potamogeton Remove constraint Topic: Potamogeton Topic Potamogetonaceae Remove constraint Topic: Potamogetonaceae