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