| Species name | Panaeolus olivaceus |
| Common name | |
| Cap | 1-2.5cm, hemispherical > convex, broadly umbonate, smooth or wrinkled when dry |
| Gills | Adnate, olive-green > black |
| Stipe | 4-6cm, white-wooly at base, velvety at apex, apex often covered in dew droplets |
| Growth form | Solitary, small trooping groups |
| Spore print | Black |
| Spore features | lemon-shaped, roughened, germ-pore |
| Habitat | Pastures, grassland |
| Season | Year round |
| Distribution | Widespread, probably common |
| Identifying feature | Roughened spores |
| Similar species | Very similar to P.cinctilus but with rough spores |
Irish Grassland Fungi 