Mold Spores

Mold growth indoors can release mold spores into the breathable air.  There is no such thing as a mold free environment.  Mold spores exist in our natural environment and are crucial to a healthy ecosystem.  Water damaged building materials, mechanical systems and water damaged contents indoors present a health hazard depending on the concentration, exposure time and mold species.  Below are some common indoor mold spores resulting from indoor water damage.

Common Indoor Mold Library

Alternaria

Aspergillus

Alternaria

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Alternaria is a major plant pathogen.  They can cause root rot of mangoes and decomposition of organic or cellulose materials.  They can also cause allergic reactions in humans such as asthma and hay fever.

Ascospores

Aspergillus

Alternaria

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Ascospores can cause destruction of cellulose fabrics and grow on water damaged contents and building materials.  They can cause headaches, respiratory disease, nausea, fatigue even athletes foot.

Aspergillus

Aspergillus

Basidiospores

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Aspergillus type molds can be quite common and can appear similar to Penicillium.  In low doses this mold can be harmless.  However, in high doses can cause Aspergillosis which is a respiratory disease.  Allergic reactions can be fever and cough.

Basidiospores

Basidiospores

Basidiospores

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Basidiospores can be produced by mushrooms and forests but also from damp building materials.  They can cause wood rot or dry rot in damp buildings with poor ventilation.    This mold can cause opportunistic infections, asthma, sinus infections and allergic Alveolitis.

Botrytis

Basidiospores

Chaetomium

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Botrytis affects many plant species including wine grapes and other rotting fruit.  It causes respiratory issues or diseases known as 'winegrowers lung'.

Chaetomium

Basidiospores

Chaetomium

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Chaetomium is commonly found on cellulose materials such as paper, straw, cardboard and cotton materials.  It causes nail and skin infections as well as neurological damage.

Cladosporium

Cladosporium

Cladosporium

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Cladosporium is a genus of fungi that exists outdoors and indoors naturally.  This type of mold can appear as black spots, green or brown.  It is commonly found in damp carpeting, drywall, insulation and vents.  It can  cause asthma, dry skin, itchy and watery eyes.

Coprinus

Cladosporium

Cladosporium

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Coprinus is a mushroom type fungus.  In most cases it is an edible mold.

Curvularia

Cladosporium

Drechslera/Bipolaris

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Curvularia is very common mold on plants and in soils. Indoors it can be an opportunistic pathogen causing wound infections, allergic sinusitis, pneumonia and serious skin diseases.

Drechslera/Bipolaris

Drechslera/Bipolaris

Drechslera/Bipolaris

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Bipolaris is commonly found in plant debris and soil.  Indoors this mold can cause a variety of dermatitis, sinus and lung diseases as well as brain abscess.

Epicoccum

Drechslera/Bipolaris

Epicoccum

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Epicoccum is a fungus commonly associated with food spoilage.  It can also be present on damp drywall and damp carpets indoors.  Epicoccum can cause serious respiratory issues especially in children.

Fusarium

Drechslera/Bipolaris

Epicoccum

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Fusarium is considered a toxigenic mold.  This type of mold can cause serious and invasive infections even death.  It can be found indoors in chronic water damaged building materials.

Ganoderma

Penicillium

Ganoderma

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Ganoderma is a fungus from the mushroom variety.  It can have health benefits.  Although indoors can indicate a hidden moist environment.

Oidium

Penicillium

Ganoderma

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Oidium is a powdery mold that affect plants.  It is what is referred to as mildew.    It mostly affect plants.

Penicillium

Penicillium

Periconia/Myxomycetes

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Penicillium has a large number of species.  Some are helpful, some are harmful.  Penicillin comes from this genus of mold.  Serious health issues are all possible depending on the species.

Periconia/Myxomycetes

Periconia/Myxomycetes

Periconia/Myxomycetes

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Myxomycetes is a slimy mold.  It is not considered harmful to humans.

Pithomyces

Periconia/Myxomycetes

Polythrincium

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Pithomyces can be toxigenic mold.   Studies on health effects on humans is limited but in animals causes dermatitis as well as liver disease.

Polythrincium

Periconia/Myxomycetes

Polythrincium

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Polythrincium is a leaf mold.  Allergic reactions or negative health reactions in humans are not well studied.

Rusts

Stachybotrys

Stachybotrys

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Rusts are plant diseases.  Rusts do not grow indoors unless the host plants are indoors. They are not considered to be a health issue.

Stachybotrys

Stachybotrys

Stachybotrys

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Stachybotrys is a toxigenic mold and is often referred to as 'black mold'.  It can have serious health implications and can cause lung disease and death.

Ulocladium

Stachybotrys

Ulocladium

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Ulocladium is found on plants and in soil.  Indoors it can cause disease and serious skin and nail infections.

Pollen

Fungal Fragments

Ulocladium

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Pollen are usually found indoors from an outdoor source. 

Fungal Fragments

Fungal Fragments

Fungal Fragments

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Fungal fragments are pieces of fungi or mold and not complete or intact spores

Yeasts

Fungal Fragments

Fungal Fragments

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Yeasts are single celled fungi and is used in baking.