| 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) |