| Name | Senecio tridenticulatus Rydberg |
| Authorship | Rydberg |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Senecio Linnaeus |
| GUID | urn:lsid:ipni.org:names:234158-2 |
| Citation | 1900 Bull. Torrey Bot. Club 27(4): 175 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Senecio tridenticulatus Rydberg |
| Identification made in | [no date] (4), 1960 (6), 1974 (1) |
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