| Name | Zygnema sp. |
| Authorship | |
| Rank | Species |
| Placed in | Zygnema C. Agardh |
| Holdings | 55 Specimens held in the Harvard University Herbaria identified as Zygnema sp. |
| Identification made in | [no date] (55) |
| Name | Zygnema sp. |
| Authorship | |
| Rank | Species |
| Placed in | Zygnema C. Agardh |
| Holdings | 55 Specimens held in the Harvard University Herbaria identified as Zygnema sp. |
| Identification made in | [no date] (55) |