| Verbatim Directions to Locality: | at rte 270 crossing, 0.4 mi W of hiway 27, 3.5 air mi SSE of Havana. |
| Township: | 2N |
| Range: | 2W |
| Section: | 23 |
| Quarter: | NE |
| Habitat: | in wet mucky soil of railroad right-of-way depression. |
| Plant Morphology Observations: | in clumps. |
| Local Abundance Observations: | frequent. |
| Non digital information?: | N |
