| Name | Agaricus squarrosus Vahl: Fries |
| Authorship | Vahl: Fries |
| Rank | Species |
| Placed in | Agaricus |
| Citation | 1770 Fl. Dan. [Oeder] 3(9): tab. 491 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Agaricus squarrosus Vahl: Fries |
| Identification made in | [no date] (1) |