| Name | Barkworthia stillmanii (Bolander) Romaschenko, P. M. Peterson & Soreng |
| Authorship | (Bolander) Romaschenko, P. M. Peterson & Soreng |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Barkworthia Romaschenko, P. M. Peterson & Soreng |
| Citation | 2019 PhytoKeys 126: 93 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Barkworthia stillmanii (Bolander) Romaschenko, P. M. Peterson & Soreng |
| Identification made in | [no date] (3) |