| Special Geographical Unit: | St. Marks Nat'l Wildlife Refuge (St. Marks Unit) |
| Verbatim Directions to Locality: | S side of Aucilla Tram Rd (Rd 105), ca 5.9 mi E of Rte 59. |
| Latitude - degree: | 30 |
| Latitude - degree with decimals: | 12586 |
| Latitude Direction Flag: | N |
| Longitude - degree: | 84 |
| Longitude - degree with decimals: | 4284 |
| Longitude Direction Flag: | W |
| Habitat: | Common in masses with Lemna and Utricularia (held by Limnobium roots) in waters of shaded ditch. |
| Local Abundance Observations: | Common. |
