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A thermotolerant, worldwide mould of compost, soil and decaying plant matter. It is the main cause of aspergillosis and one of the most frequent airborne species at compost and biowaste plants (INSPQ). It grows at up to about 57 C and can survive pasteurisation at 63 C for about 25 minutes (INSPQ). On button-mushroom farms it may colonise the casing surface, and its spores can become airborne during picking (HSE 2011). Stamets & Chilton (1983) name spent compost as its most common source on farms.
Not edible; a contaminant and human pathogen. It is the main cause of aspergillosis in people with impaired immunity, including aspergilloma, chronic pulmonary and invasive aspergillosis. It also causes ABPA (in asthma or cystic fibrosis), allergic rhinitis and hypersensitivity pneumonitis. It produces gliotoxin and other toxic metabolites (INSPQ).
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Mycology is an evolving science: names, classifications and safety information change as research advances. Entries are compiled from cited sources and reviewed, but may be incomplete or out of date — check the sources, and never rely on this library alone to identify or eat a mushroom.
