| Name | Spermothamnion sp. |
| Authorship | |
| Rank | Species |
| Placed in | Spermothamnion Areschoug |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Spermothamnion sp. |
| Identification made in | [no date] (1) |
| Name | Spermothamnion sp. |
| Authorship | |
| Rank | Species |
| Placed in | Spermothamnion Areschoug |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Spermothamnion sp. |
| Identification made in | [no date] (1) |