| Name | Senecio werneriifolius var. incertus Greenman |
| Authorship | Greenman |
| Rank | Variety |
| Placed in | Senecio werneriifolius (A. Gray) A. Gray |
| Citation | 1918 Ann. Missouri Bot. Gard. 5: 62 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Senecio werneriifolius var. incertus Greenman |
| Identification made in | [no date] (1), 1973 (1), 1987 (1) |
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