| Name | Agaricus holocirrhus Berkeley & M. A. Curtis | 
| Authorship | Berkeley & M. A. Curtis | 
| Rank | Species | 
| Placed in | Agaricus | 
| Citation | 1860 ["1858"] Proc. Amer. Acad. Arts 4: 116 | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Agaricus holocirrhus Berkeley & M. A. Curtis | 
| Identification made in | [no date] (2) |