How To Identify Black Mold On Wood. Black mold always grows in a circular pattern until it spreads to somewhere that is not moist. Stachybotrys, or black mold, is a type of mold is very toxic.
The best course of action is to treat all mold as hazardous to health and remove it quickly. Mold that is black can be the same color as black mold and not be the same strain. Mildew may begin as white, then turn brown or gray.
How to recognize cosmetic or harmless ceratocystis or ophistoma bluestain mold indoors.
The only way for black mold to grow is if there is water present, making it very common in places like showers and ceilings with leaky pipes. It is because of the natural toxins contained in the black mold that may cause adverse respiratory problems. The best way to identify black mold (stachybotrys chartarum) is by its color. For instance, you may notice a dark, furry growth or what appears to be a black stain, or there could be white, orange, brown, and even green specks.