| Name | Saxifraga californica f. napensis Engler & Irmscher |
| Authorship | Engler & Irmscher |
| Rank | Forma |
| Placed in | Saxifraga californica Greene |
| GUID | urn:lsid:ipni.org:names:228353-2 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Saxifraga californica f. napensis Engler & Irmscher |
| Identification made in | [no date] (1) |