| Name | Onoseris sagittata (Rusby) Rusby |
| Authorship | (Rusby) Rusby |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Onoseris Willdenow |
| Citation | 1920 Descr. S. Amer. Pl. 164 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Onoseris sagittata (Rusby) Rusby |
| Identification made in | 1944 (1) |