| Verbatim Directions to Locality: | on S side of forest road 148 between open savannas, 0.4 mi W of rte 65, 6.5 air mi S of Sumatra. |
| Township: | 6S |
| Range: | 7W |
| Section: | 30 |
| Sixteenth: | NW |
| Quarter: | SW |
| Habitat: | in wet mucky loam of cypress stringer. |
| Plant Morphology Observations: | remaining achenes 1.2 - 1.5 mm long. |
| Local Abundance Observations: | frequent. |