| Verbatim Directions to Locality: | along N side of I-10 just E of St. Mary's Road, ca. 1.5 air mi E of Caryville. |
| Township: | 4N |
| Range: | 16W |
| Section: | 13 |
| Sixteenth: | NE |
| Quarter: | NW |
| Habitat: | in moist sandy loam with R. cephalantha and R. globularis at edge of Brasenia-filled ditch. |
| Local Abundance Observations: | frequent. |
| Non digital information?: | N |