| Name | Senecio subsquarrosus Greenman |
| Authorship | Greenman |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Senecio Linnaeus |
| GUID | urn:lsid:ipni.org:names:247806-1 |
| Citation | 1922 Ann. Missouri Bot. Gard. 8: 97 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Senecio subsquarrosus Greenman |
| Identification made in | [no date] (2), 2008 (2) |
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