| Name | Alternaria sonchi Davis |
| Authorship | Davis |
| Rank | Species |
| Placed in | Alternaria |
| Citation | 1916 Bot. Gaz. 62: 416 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Alternaria sonchi Davis |
| Identification made in | [no date] (4) |
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