| Special Geographical Unit: | St. Marks National Wildlife Refuge (Panacea Unit) |
| Verbatim Directions to Locality: | Along Rd 303 in Spring Creek drainage. |
| Latitude - degree with decimals: | 30.09237 |
| Latitude Direction Flag: | N |
| Longitude - degree with decimals: | 84.35414 |
| Longitude Direction Flag: | W |
| Habitat: | In standing water of roadside ditch in pine flatwoods. |
| Plant Morphology Observations: | Rhizomatous, with leaves greatly overtopping the inflorescences. |
| Local Abundance Observations: | Frequent with Saururus. |
| Notes: | Miles Upcavage - sheet 1 of 2.
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| Non digital information?: | N |
