| Name | Setaria viridis var. ambigua (Gussone) Cosson & Durieu |
| Authorship | (Gussone) Cosson & Durieu |
| Rank | Variety |
| Placed in | Setaria viridis (Linnaeus) P. Beauvois |
| Citation | 1855 Expl. Sci. Algerie 2: 36 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Setaria viridis var. ambigua (Gussone) Cosson & Durieu |
| Identification made in | [no date] (2) |