| Name | Lysimachia ×producta (A. Gray) Fernald |
| Authorship | (A. Gray) Fernald |
| Rank | Species |
| Placed in | Lysimachia |
| Remarks | [imported from GBIF] |
| Citation | 1899 Rhodora 1: 134 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lysimachia ×producta (A. Gray) Fernald |
| Identification made in | [no date] (1) |