| Name | Arenaria pusilla S. Watson |
| Authorship | S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Arenaria Linnaeus |
| GUID | urn:lsid:ipni.org:names:18672-2 |
| Citation | Proc. Amer. Acad. Arts 17: 367 |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Arenaria pusilla S. Watson |
| Identification made in | [no date] (6), 2009 (3) |