| Name | Agaricus campestris var. hortensis Cooke |
| Authorship | Cooke |
| Rank | Variety |
| Placed in | Agaricus campestris Linnaeus |
| Citation | 1871 Handb. Brit. Fungi 1: 138 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Agaricus campestris var. hortensis Cooke |
| Identification made in | [no date] (1) |