| Name | Trifolium microcephalum Pursh | 
| Authorship | Pursh | 
| Rank | Species | 
| Placed in | Trifolium Linnaeus | 
| Citation | 1813 Fl. Amer. Sept. [Pursh] 2: 478 | 
| Holdings | 147 Specimens held in the Harvard University Herbaria identified as Trifolium microcephalum Pursh | 
| Identification made in | [no date] (146), 2000 (1) |