| Species name | Lycoperdon utriforme |
| Common name | Mosaic puffball |
| Peridium (exterior) | 6-15cm, pear-shaped, tapers sharply into grooved base, outer peridium white and granular > grey-brown and cracked, inner peridum smooth and grey |
| Gleba (interior) | White and firm > yellow-brown and powdery, firm sterile base. |
| Growth form | Trooping or tufted |
| Spore colour | Olive-brown |
| Spore features | Spherical, smooth |
| Habitat | Unimproved and acidic grassland |
| Season | Summer-Autumn |
| Distribution | Widespread, occasional |
| Identifying feature | Smooth spores, cracked outer peridum |
| Similar species | similar to other species of the genus but smooth spores and overall appearance is different |
Irish Grassland Fungi 