| Special Geographical Unit: | St. Marks Nat'l Wildlife Refuge (Wakulla Unit) |
| Verbatim Directions to Locality: | St. Marks Nat'l Wildlife Refuge (Wakulla Unit). on muddy bottom of drying ditch beside Rd 209. 0.1 mi S of Rd 200 (Northline Rd). |
| Latitude - degree with decimals: | 30.13651 |
| Latitude Direction Flag: | N |
| Longitude - degree with decimals: | 84.28137 |
| Longitude Direction Flag: | W |
| Habitat: | on muddy bottom of drying ditch. |
| Plant Morphology Observations: | Spikelets dark brownish black. |
| Local Abundance Observations: | Frequent. |
