| Name | Polygala propinqua (Britton) S. F. Blake |
| Authorship | (Britton) S. F. Blake |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Polygala Linnaeus |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Polygala propinqua (Britton) S. F. Blake |
| Identification made in | [no date] (2) |