| Name | Agaricus caespitosus Bolton |
| Authorship | Bolton |
| Rank | Species |
| Placed in | Agaricus |
| GUID | urn:lsid:indexfungorum.org:names:222424 |
| Citation | 1788 Hist. Fung. Halifax 1: 41, tab. 41 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Agaricus caespitosus Bolton |
| Identification made in | [no date] (1) |