| Name | Helianthus rydbergii Britton |
| Authorship | Britton |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Helianthus |
| GUID | urn:lsid:ipni.org:names:329263-2 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Helianthus rydbergii Britton |
| Identification made in | 1959 (1) |
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