| Name | Tolypothrix tenuis Kützing ex Bornet & Flahault |
| Authorship | Kützing ex Bornet & Flahault |
| Rank | Species |
| Placed in | Tolypothrix Kützing ex Bornet & Flahault |
| Contains | Tolypothrix tenuis var. pygmaea Hansgirg |
| Citation | 1886 Ann. Sci. Nat., Bot. ser. 7, 5: 122 |
| Holdings | 17 Specimens held in the Harvard University Herbaria identified as Tolypothrix tenuis Kützing ex Bornet & Flahault |
| Identification made in | [no date] (17) |