Natural Origin - Found in highest concentrations in July and August. Found solitary or in small groups on downed logs of both hardwood and conifers, also on living trees.

Indoor Origin - Carried in by outside air movement. Elevated levels may be associated with dry rot in wood.

Pathoginicity - Not known to be pathogenic.

Diseases - None associated with this spore.

Allergen - No known allergen.

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