You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Along Poplar Creek (east bank) 20 to 500 feet north of Illinois 19 (Irving Park Road). Streamwood 7.5 minute quadrangle. Along Poplar Creek. Remove constraint Place: Along Poplar Creek (east bank) 20 to 500 feet north of Illinois 19 (Irving Park Road). Streamwood 7.5 minute quadrangle. Along Poplar Creek. Place Cook Remove constraint Place: Cook Topic Poales Remove constraint Topic: Poales