| Name | Saxifraga punctata subsp. porsildiana Calder & Savile |
| Authorship | Calder & Savile |
| Rank | Subspecies |
| Placed in | Saxifraga punctata Linnaeus |
| Citation | 1960 Canad. J. Bot. 38(3): 429 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Saxifraga punctata subsp. porsildiana Calder & Savile |
| Identification made in | [no date] (5) |
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