| Name | Scytonema sanguineum Cesati |
| Authorship | Cesati |
| Rank | Species |
| NomenclaturalStatus | NomInvalid |
| Placed in | Scytonema C. Agardh ex Bornet & Flahault |
| Citation | 1856 Algen Sachsens 53/54: no. 533 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Scytonema sanguineum Cesati |
| Identification made in | [no date] (1) |