| Name | Senecio macropus Greenman |
| Authorship | Greenman |
| Rank | Species |
| Placed in | Senecio Linnaeus |
| Citation | 1914 Ann. Missouri Bot. Gard. 1(3): 267 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Senecio macropus Greenman |
| Identification made in | [no date] (2) |
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