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Scleroderma citrinum

Common Name: Common Earthball

Synonyms: Scleroderma aurantiumScleroderma vulgare

Substrate: Ground

Spore Color: Black to Purplish Black

Comments: 

These mycorrhizal mushrooms grow from the ground, and have a leopard skin pattern on the surface at maturity. These are commonly called Earthballs, and unlike puffballs that have an all white center, these form a blackish spore mass at maturity.

This mushroom is a frequent host of Boletus parasiticus.

Poisonous. Do not eat.

Lookalikes:  

Scleroderma areolatum has spores that are spiny, but not reticulate as in this species, and a yellowish-brown to yellow-bronze coloration. Scleroderma bovista has a smooth surface.

Pictures:

Scleroderma citrinum

9/30/12 - Leonard Springs - Bloomington, IN