You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Along a 50 ft. stretch of a footpath beside the River Rouge at the SW end of the ice-skating area north of Joy Rd. Remove constraint Place: Along a 50 ft. stretch of a footpath beside the River Rouge at the SW end of the ice-skating area north of Joy Rd. Place North America Remove constraint Place: North America Place Wayne Remove constraint Place: Wayne Topic Caryophyllales Remove constraint Topic: Caryophyllales Topic Polygonaceae Remove constraint Topic: Polygonaceae