Sandy Streit's property near La Center, Clark Co., WA. Clitocybe sclerotoidea is a parasite on Helvella lacunosa. It typically attacks the mushroom just before the mushroom becomes erumpent, forming a truffle-like ball of mycelium, which it later uses to fruit from. Finding the sclerotia of C. sclerotoidea is not at all uncommon among truffle hunters. Fortunately, it is usually larger than most truffles, and has needles/humus adherring to it, which true truffles rarely do. Only when the mushroom is produced is the fungus positively identifiable, as here. [admin - Sat Aug 14 02:03:35 +0000 2010]: Changed location name from 'near La Center, Clark Co., WA' to 'near La Center, Clark Co., Washington, USA'
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