| Name | Plesioneuron sp. |
| Authorship | |
| Rank | Species |
| Placed in | Plesioneuron (Holttum) Holttum |
| Holdings | 20 Specimens held in the Harvard University Herbaria identified as Plesioneuron sp. |
| Identification made in | [no date] (20) |
| Name | Plesioneuron sp. |
| Authorship | |
| Rank | Species |
| Placed in | Plesioneuron (Holttum) Holttum |
| Holdings | 20 Specimens held in the Harvard University Herbaria identified as Plesioneuron sp. |
| Identification made in | [no date] (20) |