| Name | Pleiospermium alatum (Wight & Arnott) Swingle |
| Authorship | (Wight & Arnott) Swingle |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Pleiospermium |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Pleiospermium alatum (Wight & Arnott) Swingle |
| Identification made in | [no date] (2) |