| Name | Trifolium macrocephalum (Pursh) Poiret | 
| Authorship | (Pursh) Poiret | 
| Rank | Species | 
| Placed in | Trifolium Linnaeus | 
| Citation | 1817 Encycl. (Lamarck) Suppl. 5 336 | 
| Holdings | 39 Specimens held in the Harvard University Herbaria identified as Trifolium macrocephalum (Pursh) Poiret | 
| Identification made in | [no date] (39) | 
