| Species name | Agaricus campestris |
| Common name | Field mushroom |
| Cap | 3-10cm, hemispherical > convex > flattened, white and smooth |
| Gills | Deeply pink > brown-black, crowded, free |
| Stipe | 3-10cm, tapering downwards, wooly or scaly below apex, ring disapearing. |
| Growth form | Groups, trooping |
| Spore print | Brown |
| Spore features | Ellipsoidal, smooth |
| Habitat | fields, pastures, lawns |
| Season | Summer-autumn |
| Distribution | Widespread, common |
| Identifying feature | If young look for gill colour, if old look for absence of stipe ring |
| Similar species | Other Agaricus species but most have stipe ring. |