| Name | Ambrosia salsola var. pentalepis (Rydberg) Stother & B. G. Baldwin | 
| Authorship | (Rydberg) Stother & B. G. Baldwin | 
| Rank | Variety | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Ambrosia salsola (Torrey & A. Gray ex A. Gray) Stother & B. G. Baldwin | 
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Ambrosia salsola var. pentalepis (Rydberg) Stother & B. G. Baldwin | 
| Identification made in | [no date] (2), 2009 (2) | 
