| Name | Campanula immodesta Lammers |
| Authorship | Lammers |
| Rank | Species |
| Placed in | Campanula Linnaeus |
| Citation | 1998 Novon 8(1): 34 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Campanula immodesta Lammers |
| Identification made in | [no date] (1), 2019 (3) |