Adrian Davies / Stump puffball (Lycoperdon pyriforme) Sussex, England, UK, September.

Adrian Davies / Stump puffball (Lycoperdon pyriforme) growing on fallen log in woodland, Sussex, England, UK, September.

David Kjaer / Stump puffball (Lycoperdon pyriforme) Wiltshire, England, UK, October.

Andy Sands / Glistening inkcap fungus (Coprinellus micaceus) and Stump puffball (Lycoperdon pyriforme) fruiting together on old tree stump, Hertfordshire, England, UK, October

Russell Cooper / Group of Puffball fungi (Lycoperdon pyriforme) Banstead Woods SSSI, North Downs, Surrey, UK, October. North Downs Surrey UK

Nick Upton / A cluster of Stump puffball fungi (Lycoperdon pyriforme) emerging from a rotting log in deciduous woodland, LWT Lower Woods reserve, Gloucestershire, UK, October.

Nick Upton / A cluster of Stump puffball fungi (Lycoperdon pyriforme) emerging from a rotting log in deciduous woodland, LWT Lower Woods reserve, Gloucestershire, UK, October.

Chris Mattison / Stump puffball (Lycoperdon pyriforme) growing on rotting branch, Cumbria, UK, October.

Andy Sands / Stump puffball (Lycoperdon pyriforme) on mossy tree stump, Buckinghamshire, England, UK, September

Andy Sands / Stump puffball (Lycoperdon pyriforme) stump puffball releasing spores, Buckinghamshire, England, UK, November. Digital composite.

Alex Hyde / Stump puffball (Lycoperdon pyriforme) close up, Plitvice Lakes National Park, Croatia. November.

Alex Hyde / Stump puffball (Lycoperdon pyriforme) Plitvice Lakes National Park, Croatia. November.