| Name | Agaricus lividus Hudson |
| Authorship | Hudson |
| Rank | Species |
| Placed in | Agaricus |
| Citation | 1778 Fl. Angl. (Hudson), ed. 2. 2: 615 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Agaricus lividus Hudson |
| Identification made in | [no date] (1) |