| Name | Ptilota plumosa var. serrata (Kützing) Kützing |
| Authorship | (Kützing) Kützing |
| Rank | Variety |
| Placed in | Ptilota plumosa C. Agardh |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Ptilota plumosa var. serrata (Kützing) Kützing |
| Identification made in | [no date] (3) |