| Name | Placoma vesiculosa Schousboe ex Bornet & Thuret |
| Authorship | Schousboe ex Bornet & Thuret |
| Rank | Species |
| Placed in | Placoma Schousboe ex Bornet & Thuret |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Placoma vesiculosa Schousboe ex Bornet & Thuret |
| Identification made in | [no date] (1) |