You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place At the terminus of Sulphur Springs Road at the Navasota River, SE of College Station. Remove constraint Place: At the terminus of Sulphur Springs Road at the Navasota River, SE of College Station. Place Brazos Remove constraint Place: Brazos Topic Cyperaceae Remove constraint Topic: Cyperaceae Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Poales Remove constraint Topic: Poales