You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place Arkansas Remove constraint Place: Arkansas Place Clark Remove constraint Place: Clark Place North America Remove constraint Place: North America Place Whelen Springs vicinity, about 1.3 air miles southwest; Arkansas Highway 53; east bank of Little Missouri River. Remove constraint Place: Whelen Springs vicinity, about 1.3 air miles southwest; Arkansas Highway 53; east bank of Little Missouri River. Topic Cyperaceae Remove constraint Topic: Cyperaceae Topic Plantae Remove constraint Topic: Plantae Topic Poales Remove constraint Topic: Poales