| Name | Arenaria atuntziensis var. stenopetala Y. W. Tsui |
| Authorship | Y. W. Tsui |
| Rank | Variety |
| Placed in | Arenaria atuntziensis C. Y. Wu |
| Citation | 1987 Acta Biol. Plateau Sin. 6: 27 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Arenaria atuntziensis var. stenopetala Y. W. Tsui |
| Identification made in | 2021 (1) |