| Name | Caylusea hexagyna (Forsskål) M. L. Green |
| Authorship | (Forsskål) M. L. Green |
| Rank | Species |
| Placed in | Caylusea |
| Citation | 1926 Standard-Sp. Nomina Conservanda 29, 63 |
| Holdings | 13 Specimens held in the Harvard University Herbaria identified as Caylusea hexagyna (Forsskål) M. L. Green |
| Identification made in | [no date] (12), 2023 (1) |