| Name | Ambrosia monogyra (Torrey & A. Gray ex A. Gray) Stother & B. G. Baldwin |
| Authorship | (Torrey & A. Gray ex A. Gray) Stother & B. G. Baldwin |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Ambrosia Linnaeus |
| Holdings | 21 Specimens held in the Harvard University Herbaria identified as Ambrosia monogyra (Torrey & A. Gray ex A. Gray) Stother & B. G. Baldwin |
| Identification made in | [no date] (20), 2009 (1) |