| Name | Sphaerella pachyasca Rostrup |
| Authorship | Rostrup |
| Rank | Species |
| Placed in | Sphaerella (Fries) Rabenhorst |
| Citation | 1888 Meddel. Gronland, Biosci. 3: 552 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sphaerella pachyasca Rostrup |
| Identification made in | [no date] (1) |
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