| Name | Rivularia durissima Rabenhorst |
| Authorship | Rabenhorst |
| Rank | Species |
| Placed in | Rivularia C. Agardh ex Bornet & Flahault |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Rivularia durissima Rabenhorst |
| Identification made in | [no date] (1) |