| Species name | Bovista nigrescens |
| Common name | Brown puffball |
| Peridium (exterior) | Outer skin smooth cream-white but peels away to show a papery brownish inner skin, 3-7cm across, subspherical and slightly flattened, opens at large apical pore |
| Gleba (interior) | Firm and white > olive > powdery purple-brown/black, sterile base absent |
| Mycelia | Stipeles, attached to ground by single mycelial cord (often broken) |
| Growth form | Dense trooping groups |
| Spore colour | Dark brown |
| Spore features | Brown, ovoid, thick walled, warted blunt-ended pedicel |
| Habitat | Grassland, pastures, lawns, dunes, heathland |
| Season | Late summer-autumn (persisting in a dried state for the majority) |
| Distribution | Widespread, common |
| Identifying feature | Most often found blowing around detached from mycelial cord. |
| Similar species | |
Irish Grassland Fungi 