| Name | Pteralyxia caumiana O. Degener |
| Authorship | O. Degener |
| Rank | Species |
| Placed in | Pteralyxia |
| Citation | 1933 Fl. Hawaiiensis 305: s.p. |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Pteralyxia caumiana O. Degener |
| Identification made in | [no date] (1) |