| Name | Tolypothrix pygmaea Kützing |
| Authorship | Kützing |
| Rank | Species |
| NomenclaturalStatus | NomInvalid |
| Placed in | Tolypothrix Kützing ex Bornet & Flahault |
| Citation | 1843 Phycol. General. 227 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Tolypothrix pygmaea Kützing |
| Identification made in | [no date] (1) |
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