Common Earthball
Poisonous 
Autumn 
Summer 
This very common mushroom appears to be responsible for the most mushroom poisonings each year in the UK. This is possibly due to confusion with Common Puffballs or even Truffles. There are three types of Earthball in the UK, Scleroderma citrinum (Common Earthball), Scleroderma areolatum (Leopard Earthball) and Scleroderma verrucosum (Scaly Earthball), all are similar but the Scaly Earthball is darker in colour.
| Mushroom Type | |
| Common Names | Poison Puffballs, Leopard Earthball, Scaly Earthball |
| Scientific Name | Scleroderma citrinum, areolatum, verrucosum |
| Season Start | Jul |
| Season End | Nov |
| Average Mushroom height (CM) | 8 |
| Average Cap width (CM) | 12 |
Cap
Generally spherical, irregular or potato shaped. Ranging from white to tan to brown with a darker wart like covering and a thick leathery skin.
Stem
Does not really have a stem but a few mycelial threadlike ‘roots’.
Flesh
Inside the mushroom has a purple/brown to black interior with small white ‘veins’ running through. When very young the interior of the mushroom can appear whitish or slightly pink/purple but is never pure white like a Puff Ball. When mature the interior becomes powdery and the outer skin will develop pores or splits through which the spores can be distributed when the mushroom is disturbed or rained on.
Habitat
In most woodland and on mossy or peaty soil on heathland.
Spore Print
Brown. Globose with a net like covering.
Taste / Smell
A bit like rubber.
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