| Name | Arenaria barbata var. hirsutissima W. W. Smith |
| Authorship | W. W. Smith |
| Rank | Variety |
| Placed in | Arenaria barbata Franchet |
| Citation | 1920 Notes Roy. Bot. Gard. Edinburgh 11: 195 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Arenaria barbata var. hirsutissima W. W. Smith |
| Identification made in | 2025 (1) |
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