| Name | Saxifraga cespitosa subsp. monticola (Small) A. E. Porsild |
| Authorship | (Small) A. E. Porsild |
| Rank | Subspecies |
| Placed in | Saxifraga cespitosa Linnaeus |
| Citation | 1966 Natl. Mus. Canada Bull. 216: 39 |
| Holdings | 27 Specimens held in the Harvard University Herbaria identified as Saxifraga cespitosa subsp. monticola (Small) A. E. Porsild |
| Identification made in | [no date] (10), 1952 (17) |