| Name | Arenaria cephaloidea Rydberg |
| Authorship | Rydberg |
| Rank | Species |
| Placed in | Arenaria Linnaeus |
| GUID | urn:lsid:ipni.org:names:18477-2 |
| Citation | 1912 Bull. Torrey Bot. Club 39: 316 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Arenaria cephaloidea Rydberg |
| Identification made in | 2010 (1) |