This mitosporic fungus (spores develop by means of asexual cell division) is included in the classification group "Hyphomycetes". At this time, no information is available concerning Spegazzinia allergenicity or toxicity. Spegazzinia spores can be identified in air samples by their distinctive structure, and have the potential to produce a colony within seven to ten days. Colonies are considered relatively slow growing, and are brownish-black to black in color. This saprobe (deriving its nourishment from nonliving or decaying organic matter) is most commonly found in warm-temperate to tropical areas in soil and on dead leaves, stems, trees, and other various kinds of plant debris.