| Name | Senecio smallii f. tristis Fernald |
| Authorship | Fernald |
| Rank | Forma |
| Placed in | Senecio smallii Britton |
| Citation | 1945 Rhodora 01550901 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Senecio smallii f. tristis Fernald |
| Identification made in | [no date] (2) |
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