Obsolete names...

The Stachybotrys chartarum is its modern official name.

S. alternans and S. atra are the obsolete names for the same fungus.

Interestingly, while the mold is still active (rather than dormant, dried out) the spores are not released into the air.

Mycotoxin poisoning by this fungus is referred to as "Stachybotryotoxicosis".

It grows on many substrates, ie: Make sure your ducts and crawlspaces/attics are free of debris AND well ventilated. Moisture is your number one enemy.

However, bear in mind that the majority of literature is based on experiments with farmworkers, as this fungus affects livestock and farmers, from its infestation of moist hay and straw.

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