You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Navasota River & Sulphur Springs Road, SE of College Station. Remove constraint Place: Navasota River & Sulphur Springs Road, SE of College Station. Place Texas Remove constraint Place: Texas Topic Cyperaceae Remove constraint Topic: Cyperaceae Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Poales Remove constraint Topic: Poales