| Name | Arenaria capillaris var. ursina (B. L. Robinson) B. L. Robinson |
| Authorship | (B. L. Robinson) B. L. Robinson |
| Rank | Variety |
| Placed in | Arenaria capillaris Poiret |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Arenaria capillaris var. ursina (B. L. Robinson) B. L. Robinson |
| Identification made in | [no date] (1) |