| Name | Peltigera canina f. leucorrhiza (Flörke) Flörke |
| Authorship | (Flörke) Flörke |
| Rank | Forma |
| Placed in | Peltigera canina (Linnaeus) Willdenow |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Peltigera canina f. leucorrhiza (Flörke) Flörke |
| Identification made in | [no date] (10) |