| Name | Sida thyrsiflora f. thyrsiflora |
| Authorship | |
| Rank | Forma |
| NomenclaturalStatus | Unknown |
| Placed in | Sida thyrsiflora Miquel |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Sida thyrsiflora f. thyrsiflora |
| Identification made in | [no date] (1) |