| Name | Porella platyphylla (Linnaeus) Pfeiffer |
| Authorship | (Linnaeus) Pfeiffer |
| Rank | Species |
| Placed in | Porella Linnaeus |
| Citation | 1855 Fl. Niederhessen 2: 234 |
| Holdings | 96 Specimens held in the Harvard University Herbaria identified as Porella platyphylla (Linnaeus) Pfeiffer |
| Identification made in | [no date] (92), 1906 (3), 2018 (1) |