| Verbatim Directions to Locality: | Bank of upper Acorn Creek, ca. 3 air mi N of town of Apalachicola. |
| Habitat: | Achenes held loosely in scales; culms smooth proximally, scabrid distally. Infrequent with Cladium, Scirpus validus, and Spartina along bank of upper Acorn Creek. |
| Local Abundance Observations: | Infrequent. |