Alternaria Mold in the Home Like its cousins cladosporium and penicillium, alternaria is one of the most common types of outdoor mold. There are more than 40 known species of this fungi, which is often responsible for leaf spots and degenerative diseases on trees and bushes.
Aspergillus is widely distributed from the arctic region to the tropics. Aspergillus species are frequently found in air and soil.As concerns indoor air quality the most important species are Aspergillus fumigatus, Aspergillus flavus, Aspergillus clavatus, Aspergillus niger, Aspergillus versicolor.
Presence of significant numbers of Aspergillus/Penicillium and unidentified spores (including ascospores and basidiospores) in the indoor environment is indicative of poor air quality. However, it’s difficult to tell from these results whether the indoor spores originated from outdoors and whether the spores belong to Aspergillus/Penicillium or other moulds with similar spores.
Mold growing in homes and buildings, whether it is Stachybotrys chartarum (Stachybotrys atra) or other molds, indicates that there is a problem with water or moisture. This is the first problem that needs to be addressed. Mold growth can be removed from hard surfaces with commercial products, soap and water, or a