You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Kentucky Remove constraint Place: Kentucky Place North America Remove constraint Place: North America Place Shore of Ohio River at foot of Aurora Ferry Rd, 0.7 mi W, St Rt 20, ca 1 mi SW of Petersburg, Aurora Quad. Remove constraint Place: Shore of Ohio River at foot of Aurora Ferry Rd, 0.7 mi W, St Rt 20, ca 1 mi SW of Petersburg, Aurora Quad. Place USA Remove constraint Place: USA Topic Cyperaceae Remove constraint Topic: Cyperaceae Topic Cyperus Remove constraint Topic: Cyperus