| Verbatim Directions to Locality: | just E of the bridge to Cannonball Acres on Dog Island. |
| Habitat: | in moist sandy soil between Juncus-Osmunda tidal marsh and cattail borrowpit. |
| Plant Morphology Observations: | achene 1/3 perigynium width. |
| Local Abundance Observations: | infrequent; (only Carex seen on the island thus far). |
| Non digital information?: | N |