United States, Mississippi, Winston, Noxubee Nat'l Wildlife Refuge. Moist-soil management units north of Ross Branch Reservoir.
33.16302 -88.51542
Moist-soil wetlands, growing in highly disturbed area, in standing water at time of collection. Associated w/ graminoid assemblage.
Only individuals of this species growing at this location. Very square stem with rounded angles; growing erect and strikingly obvious among surrounding plants