| Name | Bidens frondosa var. anomala Porter ex Fernald |
| Authorship | Porter ex Fernald |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Bidens frondosa Linnaeus |
| GUID | urn:lsid:ipni.org:names:32436-2 |
| Citation | 1903 Rhodora 5: 91 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Bidens frondosa var. anomala Porter ex Fernald |
| Identification made in | [no date] (1) |
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