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Lycoperdon nigrescens   (Dusky Puffball)
North America, Europe
1-4 cm diameter * 1.5-3 cm tall

Lycoperdon nigrescens, also known as Dusky Puffball, is a rounded fungus, typically with a distinct stem and long dark spines. It is very similar to the Common Puffball, but darker-skinned and with small dark warts that persist longer than those of other frequently-encountered puffballs. The mushroom grows typically grows in troops on acid soil on heaths and in coniferous and mixed woods.

Fruiting body is pallid brown covered with dark brown spines. They are fused in groups at the tips, falling away to reveal a brown papery surface decorated with a faint net pattern. Through a sub-spherical opening through a pore at the apex, the fertile head tapers or pinches down into a distinct, but a very short, sterile, spongy basal region. The spore mass is at first white and firm becoming brown and powdery. Spores are brown.

Lycoperdon nigrescens on the web site.

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