| Name | Dahlia barkeriae Knowles & Westcott |
| Authorship | Knowles & Westcott |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Dahlia Cavanilles |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Dahlia barkeriae Knowles & Westcott |
| Identification made in | [no date] (1), 1967 (1) |
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