| Name | Saxifraga flagellaris subsp. platysepala (Trautvetter) A. E. Porsild |
| Authorship | (Trautvetter) A. E. Porsild |
| Rank | Subspecies |
| Placed in | Saxifraga flagellaris Willdenow |
| Citation | 1954 Bot. Tidsskr. 51: 295 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Saxifraga flagellaris subsp. platysepala (Trautvetter) A. E. Porsild |
| Identification made in | [no date] (10) |