This smallish, dark brown, spiny, rounded structure has a short pedistal; it typically grows in troops on acid soil on heaths and in coniferous and mixed woods.
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 very short, sterile, spongy basal region. Spore mass is at first white and firm becoming brown and powdery. Spores
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