| Name | Plagiosiphon sp. |
| Authorship | |
| Rank | Species |
| Placed in | Plagiosiphon |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Plagiosiphon sp. |
| Identification made in | [no date] (3) |
| Name | Plagiosiphon sp. |
| Authorship | |
| Rank | Species |
| Placed in | Plagiosiphon |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Plagiosiphon sp. |
| Identification made in | [no date] (3) |