| Name | Rivularia angulosa Roth |
| Authorship | Roth |
| Rank | Species |
| NomenclaturalStatus | NomInvalid |
| Placed in | Rivularia C. Agardh ex Bornet & Flahault |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Rivularia angulosa Roth |
| Identification made in | [no date] (2) |