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