| Name | Ambrosia cordifolia (A. Gray) W. W. Payne | 
| Authorship | (A. Gray) W. W. Payne | 
| Rank | Species | 
| Placed in | Ambrosia Linnaeus | 
| Citation | 1964 J. Arnold Arbor. 45: 421 | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ambrosia cordifolia (A. Gray) W. W. Payne | 
| Identification made in | 2015 (2) | 
