There are many different species of mold and they come in a variety of colours as well as have different health hazards associated to them depending on the type of mold. Green mold refers to a variety of species of fungus that take on a green colour tint.

Different molds have been classified into 3 groups according to the health risk they pose:


This class of mold is directly hazardous to your health due its infection causing capabilities. It may even produce serious toxins. This class of mold should be removed immediately from your home or work environment to protect individuals from developing health problems.


Mold types classified under this group are usually associated with allergy symptoms in some individuals, including coughing, sneezing, nasal congestion or respiratory problems. Symptoms usually only occur after prolonged exposure.


No health risks or concerns have been reported with this class of mold. However, it can cause structural damage to things it grows on and should, therefore, still be removed.

Green Mold Usually Belongs to Three Genuses of Fungi:


This is a very common species of mold. It can appear as green, grey, black or brown. It is usually classified as hazard class B or C depending on the species. Allergic reactions in sensitive individuals are usually the only concern with this type of mold. It grows in many places, including on wood, in walls, dust and insulation.


This mold is usually green, yellow, brown, grey, black or even white in colour.

It belongs to hazard class A or B and can cause infections such as lung infections in people with weak immune systems. Some types of this mold can produce serious toxins that can affect a person’s neurological system, while others might just cause allergies. It can be found in walls, insulation, soil, on paper, clothing or paper products as well as many other places.


This type of mold was used to create the antibiotic, Penicillin, a long time ago. Don’t let that fool you, though, into believing this mold can’t be hazardous. IT belongs to hazard class B or C, which means that it may produce allergy symptoms in some people. It is usually green, blue or white in colour and most often found on foods such as cheese and fruit, in walls and insulation.

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