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Common earthball (Scleroderma citrinum)

Poisonous

The common earthball looks like a puffball but has a thick, warty yellow-brown skin and a dark, firm interior. It is poisonous.

Common earthball (Scleroderma citrinum) in the wild
Photo: Eric Steinert / Wikimedia Commons · CC BY-SA 3.0
Scientific nameScleroderma citrinum
Other namesDickschaliger Kartoffelbovist · Scléroderme commun
FamilySclerodermataceae
SeasonJul – Nov
HabitatAcid soils in woods, heaths and lawns near trees
RangeEurope, North America and Asia
Spore printDark purple-brown
SmellSharp, rubbery or like raw potato
Safety first. Never eat a wild mushroom based on an app or a website. Confirm identification and edibility in person with a qualified local expert. Cooking, drying and freezing do not remove most mushroom toxins.

How to identify Common earthball

Key identification clue: Cut open: the flesh is firm, white with dark purple-black marbling and never uniformly pure white like an edible puffball.
CapDull yellow to brown, 3–10 cm, thick and scaly or warty skin
UndersideNo gills
StemAlmost none, or a short, rooting base
SmellSharp, rubbery or like raw potato
Spore printDark purple-brown

Is Common earthball edible or poisonous?

Poisonous. Causes gastrointestinal upset. Sometimes mistaken for puffballs, truffles or young Amanitas.

Common earthball look-alikes

A young puffball is pure white inside with a thin skin.

When does Common earthball grow?

Common earthball is typically found Jul – Nov in acid soils in woods, heaths and lawns near trees. See other mushrooms in season:

Frequently asked questions

Is Common earthball edible?

No. Common earthball (Scleroderma citrinum) is poisonous. Causes gastrointestinal upset. Sometimes mistaken for puffballs, truffles or young Amanitas. Do not eat it.

What does Common earthball look like?

Dull yellow to brown, 3–10 cm, thick and scaly or warty skin. Underside: no gills. Stem: almost none, or a short, rooting base.

What are the look-alikes of Common earthball?

The main look-alike is Common puffball (Lycoperdon perlatum). A young puffball is pure white inside with a thin skin.

When and where does Common earthball grow?

Common earthball is usually found from Jul to Nov. Habitat: acid soils in woods, heaths and lawns near trees. Range: Europe, North America and Asia.

Found something like common earthball?

Photograph it with Mushie for possible matches, look-alike warnings and an AI guide for follow-up questions. Results are suggestions, never a safe-to-eat verdict.

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Related species

Sources and credits: written from standard field-guide references. Further reading: Wikipedia: Scleroderma citrinum. Last updated 2026-10-22. Editorial policy.