| Name | Rosa gymnocarpa var. serpentina Ertter & W. H. Lewis |
| Authorship | Ertter & W. H. Lewis |
| Rank | Variety |
| Placed in | Rosa gymnocarpa Nuttall ex Torrey & A. Gray |
| Citation | 2008 MadroƱo 55(2): 174 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Rosa gymnocarpa var. serpentina Ertter & W. H. Lewis |
| Identification made in | 2018 (1) |