| Name | Okenia hypogaea Schlechtendal & Chamisso |
| Authorship | Schlechtendal & Chamisso |
| Rank | Species |
| Placed in | Okenia Schlechtendal & Chamisso |
| Citation | 1830 Linnaea 5(1): 92–93 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Okenia hypogaea Schlechtendal & Chamisso |
| Identification made in | [no date] (8) |