| Name | Sphaerella caulicola P. Karsten |
| Authorship | P. Karsten |
| Rank | Species |
| Placed in | Sphaerella (Fries) Rabenhorst |
| Citation | 1873 Bidrag Kännedom Finlands Natur Folk 23: 169 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sphaerella caulicola P. Karsten |
| Identification made in | [no date] (1) |
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