| Name | Saxifraga cespitosa subsp. uniflora (R. Brown) A. E. Porsild |
| Authorship | (R. Brown) A. E. Porsild |
| Rank | Subspecies |
| Placed in | Saxifraga cespitosa Linnaeus |
| Citation | 1955 Natl. Mus. Canada Bull. 135: 135 |
| Holdings | 19 Specimens held in the Harvard University Herbaria identified as Saxifraga cespitosa subsp. uniflora (R. Brown) A. E. Porsild |
| Identification made in | [no date] (19) |
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